KR950010727B1 - Terminal for power cable - Google Patents

Terminal for power cable Download PDF

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Publication number
KR950010727B1
KR950010727B1 KR1019930010564A KR930010564A KR950010727B1 KR 950010727 B1 KR950010727 B1 KR 950010727B1 KR 1019930010564 A KR1019930010564 A KR 1019930010564A KR 930010564 A KR930010564 A KR 930010564A KR 950010727 B1 KR950010727 B1 KR 950010727B1
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KR
South Korea
Prior art keywords
cable
epoxy
power cable
terminal device
gas
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Application number
KR1019930010564A
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Korean (ko)
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KR950002151A (en
Inventor
이광철
한기만
Original Assignee
엘지전선주식회사
박원근
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Priority to KR1019930010564A priority Critical patent/KR950010727B1/en
Publication of KR950002151A publication Critical patent/KR950002151A/en
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Publication of KR950010727B1 publication Critical patent/KR950010727B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations

Abstract

an exposed conductor of a cable; a conductor leading rod assembled with the exposed conductor; an assembled part of the exposed conductor with the conductor leading rod which is molded; a cable insulator into which an epoxy condenser is inserted and a lower end part of the cable insulator which is molded; insulating oil which is filled with the epoxy condenser and the cable insulator; a lower portion fixing bush with which a cable metal sheath for connecting a semiconduction coating paint of the epoxy condenser and the cable insulator is assembled; an engineering plastic cover having an O-ring which is inserted into the assembled surface; and insulating gas which is charged to an internal portion of the engineering plastic cover in a vacuum state.

Description

전력케이블 시험용 단말장치Power Cable Test Terminal

제 1 도는 종래에 사용된 단말장치의 단면도.1 is a cross-sectional view of a conventional terminal device.

제 2 도는 본 발명의 구조를 보인 단면도.2 is a cross-sectional view showing the structure of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

70 : 에폭시 콘덴서 72 : 알루미늄전극70: epoxy capacitor 72: aluminum electrode

80 : 엔지니어링 플라스틱커버 86 : 절연가스.80: engineering plastic cover 86: insulating gas.

본 발명은 전력케이블의 전기시험용 단말작업에 있어서, 조립의 단순화나 부품사용의 게속성 등의 성력화 및 편리한 사용과 제조비용의 절감 등을 통한 신뢰성 있는 케이블의 시험을 하기위한 목적으로 안출한 전력 케이블의 시험용 단말장치에 관한 것이다.In the terminal work for the electrical test of the power cable, the power cable devised for the purpose of the reliable cable test through the simplified performance of the assembly, the speed of the use of parts, the ease of use and the reduction of manufacturing cost, etc. It relates to a test terminal device of.

일반적으로 전력케이블을 시험하기 위한 단말장치를 구성하기 위해서는 엄청난 자재 및 인력이 소요되며, 사용된 자재는 재사용이 곤란하다.In general, a large amount of materials and manpower is required to construct a terminal device for testing a power cable, and materials used are difficult to reuse.

제 1 도는 종래의 높은 파괴전압의 시험용 단말장치를 나타낸 것으로, 단말장치 상부로 시험할 케이블(10)의 도체(12)를 노출시켜 도체인출봉(20)과 압착하여 접속시킨 다음, 케이블(10)의 절연체(14) 위에 절연유침지로 구성된 내부 절연구조(30), 금구부왜관(34)을 씌어 상부 절연구조(40)를 완성하며, 하부로의 절연유(32)가 누유되지 않는 유밀구조(42)를 이루기 위해 케이블 보호금구(36)를 끼우고, 그 위에 케이블 금속쉬스(16)와의 유밀성을 갖기 위한 연공작업을 하며, 미설명 부호 38은 연공작업에 의해 형성된 연공부이다.FIG. 1 shows a conventional test terminal device having a high breakdown voltage. The conductor 12 of the cable 10 to be tested is exposed to the upper part of the terminal device by being crimped and connected to the conductor drawing rod 20, and then the cable 10 The upper insulating structure 40 is completed by covering the inner insulating structure 30 and the metal fitting portion 34 of the insulating oil immersed on the insulator 14 of the present invention, and the oil insulating structure 32 is not leaked to the lower part ( In order to achieve 42), the cable protection bracket 36 is inserted, and the above work is carried out to have a fluidity with the cable metal sheath 16, and reference numeral 38 denotes a work formed by the work.

이와 같은 종래의 케이블 시험용 단말작업은 절연유의 사용으로 작업이 어려울 뿐만 아니라, 측정공법이 복자하고 측정시간도 오래 걸리며, 측정에 따른 단말장치의 비용이 높고, 사용된 자재는 재사용할 수 없는 문제점을 안고 있다.This conventional cable test terminal work is not only difficult to work due to the use of insulating oil, but also the measurement method is repaired and takes a long measurement time, the cost of the terminal equipment according to the measurement, the material used is not reusable Holding it.

본 발명은 상기와 같은 종래 단말장치의 제반 문제점을 보완하기 위하여, 절연가스를 봉입할 수 있는 엔지니어링 플라스틱커버와 알루미늄전극을 이용한 에폭시 콘덴서를 사용하여, 재료의 측정이 간단하며 사용 재료를 이용할 수 있도록 하는데 그 목적이 있으며, 이러한 목적을 이루기 위한 본 발명의 설명을 도시된 도면을 통하여 상세히 설명하면 다음과 같다.The present invention uses an engineering plastic cover that can encapsulate insulating gas and an epoxy capacitor using an aluminum electrode in order to supplement the problems of the conventional terminal device as described above, so that the measurement of the material is simple and the material used can be used. The purpose of the present invention is described in detail below with reference to the accompanying drawings.

전력케이블의 성능을 시험하기 위한 본 발명은 제 2 도에 도시된 바와 같이, 시험할 케이블(10)의 도체(12)를 노출시켜 그 단부를 도체 인출봉(20)에 볼트, 너트를 이용하여 기계적, 전기적으로 결합시키고, 이들의 결합부분(60)이 유밀구조나 가스밀구조가 되도록 몰딩하며, 박막의 계단식 층상구조로 된 알루미늄전극(72)과 상온경화형 퍼티상의 에폭시(74)로 구성된 에폭시 콘덴서(70)를 케이블 절연체(14)에 끼우고, 상기 케이블 절연체(14)에 끼워진 에폭시 콘덴서(70)는 유입되는 절연유(32)를 유밀시킬 수 있도록 그 하단부(62)를 유밀구조로 몰딩한 후, 상기의 에폭시 콘덴서(70)와 케이블 절연체(14) 사이에 절연유(32)를 채우며, 다시 에폭시 콘덴서(70)의 반도전 코팅페이트(76)와 외부반도전층인 케이블 절연체(14)를 편조선으로 감아서 연결한 케이블 금속쉬스(16)에 밀봉수단으로 하부고정용 부시(82)를 결합시킨 다음, 유리섬유강화플라스틱관을 사용한 엔지니어링 플라스틱커버(80)를 끼우는 데, 이때 엔지니어링 플라스틱커버(80)와 접하는 도체인출봉(20)과 하부고정용 부시(82) 사이에 오링(84)을 개재하여 실리처리하며, 진공상태를 이룬 엔지니어링 플라스틱커버(80) 내부에 SF6가스나 N2가스와 같은 절연가스(86)를 채워 봉입한다.As shown in FIG. 2, the present invention for testing the performance of a power cable exposes the conductors 12 of the cable 10 to be tested and ends thereof using bolts and nuts to the conductor lead-out rods 20. Epoxy composed of an aluminum electrode 72 having a stepped layer structure of thin film and a room temperature-curable putty epoxy 74, which are mechanically and electrically bonded, and molded to form a joint or gas-tight structure thereof. The condenser 70 is inserted into the cable insulator 14, and the epoxy condenser 70 inserted into the cable insulator 14 has a lower end portion 62 molded in an oiltight structure so as to oil the insulated oil 32 flowing therein. After that, the insulating oil 32 is filled between the epoxy capacitor 70 and the cable insulator 14, and the semiconducting coating film 76 of the epoxy capacitor 70 and the cable insulator 14, which is an external semiconducting layer, are laid out. Cable sheath, wound and connected by shipbuilding (16 The lower fixing bush 82 is combined with the sealing means, and then the engineering plastic cover 80 using the glass fiber reinforced plastic pipe is fitted, wherein the conductor drawing rod 20 is in contact with the engineering plastic cover 80. The siling treatment is interposed between the lower fixing bushes 82 through the O-ring 84, and the insulating plastics 86 such as SF 6 gas or N 2 gas are filled and enclosed in the engineering plastic cover 80 in a vacuum state. .

이와 같은 구조로 구성된 본 발명은 종래의 단말장치가 갖는 문제점인 절연유 사용으로 인한 취급의 어려움, 연공작업에 따른 인체의 유독성 및 시험재료 재사용의 불가능, 그 밖에 시험 케이블의 길이 절감에 따른 원가 부담 등을 해결할 수 있으며, 또한 시험 단말장치의 조립이 단순할 뿐만 아니라 계속적으로 시험재료를 사용할 수 있어, 매우 편리하고 신뢰성 있는 전력케이블의 시험용 단말장치를 이룰 수 있다.The present invention having such a structure is difficult to handle due to the use of insulating oil, which is a problem of the conventional terminal device, the toxicity of the human body due to seniority work and the reuse of test materials are impossible, and the cost burden due to the reduction of the length of the test cable In addition, the assembly of the test terminal device is not only simple, but also can continuously use the test material, it is possible to achieve a very convenient and reliable power cable test terminal device.

Claims (3)

전력케이블의 성능을 시험하기 위한 전력케이블 시험용 단말장치에 있어서, 케이블(10)의 도체(12)를 노출시켜 도체인출봉(20)과 결합시키고 그 결합부분(60)을 몰딩하며, 케이블 절연체(14)에 에폭시 콘덴서(70)를 끼우고 그 하단부(62)를 몰딩하고, 상기의 에폭시 콘덴서(70)와 케이블 절연체(14)에 절연유(32)를 채우며, 에폭시 콘덴서(70)의 반도전 코딩페인트(76)와 외부반도전층인 케이블 절연체(14)를 편조선으로 연결한 케이블 금속쉬스(16)에 하부고정용 부시(82)를 결합시킨 다음, 접속면에 오링(84)을 개재한 엔지니어링 플라스틱커버(80)를 끼우고, 진공상태의 엔지니어링 플라스틱커버(80) 내부에 절연가스(86)을 채워 봉입하는 것을 특징으로 하는 전력케이블 시험용 단말장치.In the power cable test terminal device for testing the performance of the power cable, the conductor 12 of the cable 10 is exposed and coupled with the conductor lead-out rod 20, the coupling portion 60 is molded, and the cable insulator ( 14, the epoxy capacitor 70 is inserted and the lower end 62 is molded, the insulating oil 32 is filled in the epoxy capacitor 70 and the cable insulator 14, and the semiconductive coding of the epoxy capacitor 70 is performed. The lower fixing bush 82 is coupled to the cable metal sheath 16 connecting the paint 76 and the cable insulator 14, which is an outer semiconducting layer, with a braided wire, and then the O-ring 84 is connected to the connection surface. Inserting the plastic cover 80, the power cable test terminal device characterized in that the sealing filled with the insulating gas (86) inside the engineering plastic cover 80 in a vacuum state. 제 1 항에 있어서, 절연가스(86)를 봉입하기 위한 엔지니어링 플라스틱관(80)은 유리섬유강화플라스틱을 사용하며, 절연가스(86)는 SF6가스나 N2가스를 사용하는 것을 특징으로 하는 전력케이블 시험용 단말장치.2. The engineering plastic pipe (80) for encapsulating the insulating gas (86) uses glass fiber reinforced plastic, and the insulating gas (86) uses SF 6 gas or N 2 gas. Power cable test terminal. 제 1 항에 있어서, 에폭시 콘덴서(70)가 박막의 계단식 층상구조로 된 알루미늄전극(72)과 상온경화형퍼티상의 에폭시(74)로 구성되는 것을 특징으로 하는 전력케이블 시험용 단말장치.The terminal device according to claim 1, wherein the epoxy capacitor (70) is composed of an aluminum electrode (72) having a thin layered layered structure and an epoxy (74) at room temperature hardening type putty.
KR1019930010564A 1993-06-10 1993-06-10 Terminal for power cable KR950010727B1 (en)

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KR1019930010564A KR950010727B1 (en) 1993-06-10 1993-06-10 Terminal for power cable

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Application Number Priority Date Filing Date Title
KR1019930010564A KR950010727B1 (en) 1993-06-10 1993-06-10 Terminal for power cable

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KR950002151A KR950002151A (en) 1995-01-04
KR950010727B1 true KR950010727B1 (en) 1995-09-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111540526A (en) * 2020-04-30 2020-08-14 安徽电缆股份有限公司 Oil-resistant cable special for oil platform

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020093307A (en) * 2001-06-08 2002-12-16 엘지전선 주식회사 Structure of end termination using rubber sleeve
KR20060038010A (en) * 2004-10-29 2006-05-03 재단법인서울대학교산학협력재단 Composition for preventing or treating a disease related to the inhibition of gap junctional intercellular communication and imbalance of homeostasis, comprising nicotinic acid
CN107773545A (en) * 2016-08-29 2018-03-09 烟台益诺依生物医药科技有限公司 The sublingual pharmaceutical composition of Edaravone and (+) 2 baras camphor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111540526A (en) * 2020-04-30 2020-08-14 安徽电缆股份有限公司 Oil-resistant cable special for oil platform
CN111540526B (en) * 2020-04-30 2021-12-21 安徽电缆股份有限公司 Oil-resistant cable special for oil platform

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