KR20080020422A - Apparatus for electric earth with reverse surge dischaging device - Google Patents

Apparatus for electric earth with reverse surge dischaging device Download PDF

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Publication number
KR20080020422A
KR20080020422A KR1020060088983A KR20060088983A KR20080020422A KR 20080020422 A KR20080020422 A KR 20080020422A KR 1020060088983 A KR1020060088983 A KR 1020060088983A KR 20060088983 A KR20060088983 A KR 20060088983A KR 20080020422 A KR20080020422 A KR 20080020422A
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South Korea
Prior art keywords
ground
reverse surge
copper wire
grounding
electric earth
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KR1020060088983A
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Korean (ko)
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KR100828661B1 (en
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오성보
김세호
김호찬
부창진
안재현
고성민
고영수
김용석
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(주)신원전기
김용석
고영수
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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
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H02G13/40—Connection to earth
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin

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  • Elimination Of Static Electricity (AREA)

Abstract

An apparatus for electric earth with a reverse surge discharging device is provided to discharge lighting flown in an electric earth rod safely by reducing electric earth resistance. An apparatus for electric earth includes an electric earth copper wire(1), a reverse surge discharging device, and an electric earth rod(5). The electric earth copper wire is connected to an electric facility. The reverse surge discharging device is composed of copper pipes(3,4) installed on an outer peripheral surface of the electric earth copper wire and needles radially installed on an outer peripheral surface of the copper pipe. The electric earth rod is connected at an end part of the electric earth copper wire.

Description

역서지 방전수단이 구비된 접지장치{apparatus for electric earth with reverse surge dischaging device}Grounding apparatus with reverse surge discharge means {apparatus for electric earth with reverse surge dischaging device}

도 1은 종래의 매쉬공법의 접지공사를 설명하기 위한 구성도이다.1 is a configuration diagram for explaining the ground construction of the conventional mesh method.

도 2는 본 발명의 전체적인 구성을 설명하기 위한 구성도이다.2 is a configuration diagram for explaining the overall configuration of the present invention.

도 3은 본 발명의 접지장치의 사시도이다.3 is a perspective view of the grounding apparatus of the present invention.

도 4는 본 발명의 역서지 방사침의 사시도이다.4 is a perspective view of a reverse surge spinning needle of the present invention.

본 발명은 다른 접지장치로부터 유입되는 역서지를 방전시키는 방전수단이 설치된 접지장치에 관한 것이다.The present invention relates to a grounding device provided with discharge means for discharging reverse surge flowing from another grounding device.

전력시스템, 건축 구조물 등은 누전전류, 정전기, 서지전류에 대하여 인적 안전 및 설비를 보호하기 위하여 접지공사를 시행한다. 접지공사는 접지봉 및 접지동선을 이용한 매쉬공법, 깊이 천공된 굴착공내 전해질 접지봉을 설치하는 방법등 다양한 방법이 시행되고 있다.Power system and building structure should be grounded to protect human safety and facilities against leakage current, static electricity and surge current. There are various methods of grounding such as meshing method using grounding rod and grounding copper wire, and installing electrolyte grounding rod in deep drilled hole.

도 1은 종래의 매쉬공법의 접지공사를 설명하기 위한 구성도이다.1 is a configuration diagram for explaining the ground construction of the conventional mesh method.

전주, 일반 가옥, 빌딩의 전기설비, 철탑에는 지하에 매설된 매쉬상으로 설 치된 접지동선과 접지동선에 연결된 접지봉으로 이루어진 접지공사가 시행되어 있다. In Jeonju, general houses, buildings' electrical facilities, and steel towers, the grounding work consists of a grounding copper wire installed in the underground and a ground rod connected to the grounding copper wire.

이러한 접지공사는 외부로부터 전주, 일반 가옥, 빌딩의 전기설비, 철탑에 유입되는 서지는 접지봉을 통하여 빠르게 대지로 방전되도록 함으로써 각각 구조물에 설치되는 전기장치들을 보호하게 된다.This ground construction protects the electrical devices installed in the structure by allowing the electric surge installed in the electric pole, general house, building electric equipment, and steel tower from the outside to be quickly discharged to the ground through the ground rod.

그러나, 이러한 접지동선과 접지봉으로 이루어진 접지장치는 외부로부터 유입되는 서지에 대하여 전기장치를 보호하도록 구성되어지나 타 접지장치로부터 서지가 방전될 때 대지를 통하여 유입되는 역서지에 대하여 보호할 수가 없는 문제점이 존재한다.However, the grounding device consisting of such a ground copper wire and ground rod is configured to protect the electrical device against surges coming from the outside, but cannot protect against reverse surge flowing through the earth when the surge is discharged from other grounding devices. This exists.

또한, 본 출원인에 의한 실용신안등록 제20-0340357호의 접지동관봉의 코어링 굴착구조에서와 같이 접지저항을 낮추기 위한 접지장치가 제안된 바 있으나, 이러한 장치에서도 다른 접지장치로부터 유입되는 역서지에 대한 보호대책은 수립되지 않고 있다. In addition, a grounding device for lowering the grounding resistance has been proposed, as in the case of the coring digging structure of the ground copper tube rod of Utility Model Registration No. 20-0340357 by the present applicant, but in such a device, No protective measures have been established.

본 발명은 이러한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 다른 접지장치로부터 유입되는 역서지를 대지로 방전시키는 접지장치를 제공하기 위한 것이다. The present invention is to solve this problem, it is an object of the present invention to provide a grounding device for discharging reverse surge flowing from another grounding device to the ground.

상기 목적들을 달성하기 위한 본 발명은 전기시설물에 설치되는 역서지 방전수단이 구비된 접지장치에 있어서: 상기 전기시설물에 연결되는 접지동선; 상기 접 지동선의 외주면에 설치되는 역서지 방전수단; 상기 접지동선의 단부에 연결되는 접지봉을 포함하는 것이다.According to an aspect of the present invention, there is provided a grounding apparatus having a reverse surge discharge means installed in an electrical facility, the grounding apparatus being connected to the electrical facility; Reverse surge discharge means installed on an outer circumferential surface of the ground motion line; It includes a ground rod connected to the end of the ground copper.

또한, 본 발명에서 상기 접지동선은 대지에 연직방향으로 설치된 부분을 포함하며, 상기 역서지 방전수단은 연직방향으로 설치된 부분에 설치되는 것이 바람직하다.In addition, in the present invention, the ground copper wire includes a portion installed in the vertical direction on the ground, the reverse surge discharge means is preferably installed in a portion installed in the vertical direction.

또한, 본 발명에서 상기 역서지 방전수단은 상기 접지동선의 외주면에 설치되는 동관과 상기 동관의 외주면에 방사상으로 설치되는 침으로 이루어지는 것이 바람직하다.In addition, the reverse surge discharge means in the present invention is preferably made of a copper tube provided on the outer peripheral surface of the ground copper wire and a needle provided radially on the outer peripheral surface of the copper tube.

또한, 본 발명에서 상기 침은 상기 동관으로 향할수록 직경이 크고, 단부로 향할 수록 직경이 작아지는 것이 바람직하다.In addition, in the present invention, the needle is larger in diameter toward the copper tube, and smaller in diameter toward the end.

또한, 본 발명에서 상기 접지봉에는 흡습공이 형성되고, 내부에는 수분흡습재가 충진되는 것이 바람직하다.In the present invention, it is preferable that a moisture absorbing hole is formed in the ground rod, and a moisture absorbent material is filled therein.

이하, 첨부된 도면에 따라서 본 발명의 일실시예를 상세히 설명하기로 한다.Hereinafter, an embodiment of the present invention according to the accompanying drawings will be described in detail.

도 2는 본 발명의 전체적인 구성을 설명하기 위한 구성도이고, 도 3은 본 발명의 접지장치의 사시도이다.Figure 2 is a schematic diagram for explaining the overall configuration of the present invention, Figure 3 is a perspective view of the grounding apparatus of the present invention.

도 2, 도 3에 도시된 바와 같이, 전주, 빌딩의 전기설비, 철탑에는 접지장치가 설치된다. 접지장치는 대지에 매설되는 역서지 방지침(11)이 복수개 설치된 접지동선(1)과 접지동선(1)과 연결된 접지봉(5)으로 이루어진다. 이때, 접지동선은 대지에 수평으로 매설되는 부분과 연직으로 매설되는 부분으로 이루어지나 역서지 방전효과를 우수하도록 하기 위하여 역서지 방지침(11)은 접지동선의 연직부분에 설치되는 것이 효과적이다. 또한, 접지봉(5)은 두 개의 동관(3), (4)이 용접 연결되고, 상부에 연결동대(2)가 설치되어 접지동선(1)이 연결되고, 하단부에 첨단 방사침(6)이 설치되어 있다.As shown in Figure 2, Figure 3, electric poles, electric towers of the building, the grounding device is installed. The grounding device includes a grounding copper wire 1 installed with a plurality of reverse surge prevention needles 11 embedded in the ground and a grounding rod 5 connected to the grounding copper wire 1. At this time, the ground copper wire is made up of the horizontal buried portion and the vertical buried portion on the ground, but in order to improve the reverse surge discharge effect, the reverse surge prevention needle 11 is effectively installed in the vertical portion of the ground copper wire. In addition, the ground rod (5) is two copper tubes (3), (4) is welded, the connecting rod (2) is installed on the upper ground copper wire (1) is connected, the lower end of the spin needle (6) It is installed.

또한, 동관(3), (4) 내부에는 수분흡수물질이 충진되고, 벽에는 흡습공이 복수개 설치되어 대지로부터 수분흡수물질에 수분이 흡수되도록 하여 접지저항을 저감시키도록 한다.In addition, the inside of the copper tubes (3), (4) is filled with a moisture absorbing material, the wall is provided with a plurality of absorbing holes to absorb the moisture in the water absorbing material from the ground to reduce the ground resistance.

도 4는 본 발명의 역서지 방사침의 사시도이다.4 is a perspective view of a reverse surge spinning needle of the present invention.

역서지 방사침(11)은 접지동선(1)의 외주면에 설치되는 동관(12)과 동관(12)으로부터 방사상으로 돌출되는 다수개의 침(13)으로 이루어진다. 침(13)은 동관(12)으로 향하는 부분의 직경이 굵고, 단부로 향할수록 가늘어지는 형상으로 이루어져, 접지봉(5)을 따라 유입되는 타 접지봉에서 방사되는 역서지가 대지로 방출되도록 용이한 구조를 이루고 있다.The reverse surge radiating needle 11 is composed of a copper tube 12 installed on the outer circumferential surface of the ground copper wire 1 and a plurality of needles 13 protruding radially from the copper tube 12. The needle 13 has a large diameter of the portion directed to the copper tube 12, and has a shape that becomes thinner toward the end, so that the reverse surge radiated from the other ground rod flowing along the ground rod 5 is easily released to the ground. It is coming true.

상기의 해결과제와 구성을 갖는 본 발명의 접지장치에 따르면, 접지장치가 설치된 전기시설물을 직접적인 낙뢰로부터 보호하고, 인접된 전기시설물을 보호하기 위한 접지장치에 낙뢰가 발생되는 경우에 인접된 접지장치로부터 유입되는 역서지를 대지로 방전시킴으로써 전기시설물을 보호할 수 있다.According to the grounding device of the present invention having the above-described problem and configuration, the grounding device adjacent to the grounding device to protect the electrical installation with the grounding device from direct lightning strikes, the lightning device to protect the adjacent electrical facilities Electrical facilities can be protected by discharging reverse surges coming from the site.

또한, 접지봉에는 흡수공이 형성되어 있으며, 내부에는 수분흡습재가 충진되어 있어 접지저항을 낮출 수 있기 때문에 접지봉에 유입되는 낙뢰를 안전하게 방전시킬 수 있다.In addition, the absorbing hole is formed in the ground rod, and the moisture absorbent is filled in the inside, so that the ground resistance can be lowered, it is possible to safely discharge the lightning entering the ground rod.

Claims (5)

전기시설물에 설치되는 역서지 방전수단이 구비된 접지장치에 있어서:In a grounding device with reverse surge discharge means installed in an electrical facility: 상기 전기시설물에 연결되는 접지동선;A ground copper wire connected to the electrical facility; 상기 접지동선의 외주면에 설치되는 역서지 방전수단;Reverse surge discharge means installed on an outer circumferential surface of the ground copper wire; 상기 접지동선의 단부에 연결되는 접지봉을 포함하는 것을 특징으로 하는 역서지 방전수단이 구비된 접지장치. And a ground rod connected to an end of the ground copper wire. 제 1 항에 있어서,상기 접지동선은 대지에 연직방향으로 설치된 부분을 포함하며, 상기 역서지 방전수단은 연직방향으로 설치된 부분에 설치되는 것을 특징으로 하는 역서지 방전수단이 구비된 접지장치.The grounding apparatus according to claim 1, wherein the ground copper includes a portion installed in a vertical direction on a ground, and the reverse surge discharge means is installed in a portion installed in a vertical direction. 제 1 항 또는 제 2 항에 있어서, 상기 역서지 방전수단은 상기 접지동선의 외주면에 설치되는 동관과 상기 동관의 외주면에 방사상으로 설치되는 침으로 이루어지는 것을 특징으로 하는 역서지 방전수단이 구비된 접지장치.[4] The ground according to claim 1 or 2, wherein the reverse surge discharge means comprises a copper tube installed on an outer circumferential surface of the ground copper wire and a needle radially disposed on an outer circumferential surface of the copper pipe. Device. 제 3 항에 있어서, 상기 침은 상기 동관으로 향할 수록 직경이 크고, 단부로 향할 수록 직경이 작아지는 것을 특징으로 하는 역서지 방전수단이 구비된 접지장치. 4. The grounding device according to claim 3, wherein the needle has a larger diameter toward the copper tube and a smaller diameter toward the end. 제 3 항에 있어서, 상기 접지봉에는 흡습공이 형성되어 있으며, 내부에는 수분흡습재가 충진되는 것을 특징으로 하는 역서지 방전수단이 구비된 접지장치.The grounding device according to claim 3, wherein a moisture absorbing hole is formed in the ground rod, and a moisture absorbent material is filled therein.
KR1020060088983A 2006-09-14 2006-09-14 apparatus for electric earth with reverse surge dischaging device KR100828661B1 (en)

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Publication number Priority date Publication date Assignee Title
KR20160041887A (en) * 2016-04-04 2016-04-18 제룡산업 주식회사 Conductive high sensitivity earth electrode

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JP2981030B2 (en) * 1991-08-01 1999-11-22 パイオニア株式会社 Read-write optical disk reproducing method and optical disk reproducing apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160041887A (en) * 2016-04-04 2016-04-18 제룡산업 주식회사 Conductive high sensitivity earth electrode

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