KR100460261B1 - Grounding and connecting tool for preventing a explosion for LPG gas - Google Patents

Grounding and connecting tool for preventing a explosion for LPG gas Download PDF

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Publication number
KR100460261B1
KR100460261B1 KR10-2002-0018133A KR20020018133A KR100460261B1 KR 100460261 B1 KR100460261 B1 KR 100460261B1 KR 20020018133 A KR20020018133 A KR 20020018133A KR 100460261 B1 KR100460261 B1 KR 100460261B1
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South Korea
Prior art keywords
casing
explosion
ground
proof
gas
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KR10-2002-0018133A
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Korean (ko)
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KR20030080109A (en
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남상천
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남상천
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0382—Constructional details of valves, regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/065—Fluid distribution for refueling vehicle fuel tanks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

본 발명은 가스탱크로리(gas tank lorry)에서 지하 및 지상 가스저장탱크로 LPG 가스를 충전할 때 발생하는 정전기를 그라운딩시키므로서 정전기에 의한 LPG 가스의 폭발을 방지하는 방폭접지접속구에 관한 것으로서, 방폭접속구(31)와 방폭접지구(41)로 구분되며, 상기 방폭접속구(31)는 탱크로리용 접지선(32)의 일단에 구비된 커넥터(33)가 밸브박스(3)의 접지단자(5)와 볼트(7)에 의해 결합되고, 탱크로리용 접지선(32)의 타단에 구비된 아답터(34)가 방폭접지구(41)의 접속단자와 결합될 수 있고, 상기 방폭접지구(41)는 LPG 기계실의 벽에 부착되는 베이스(42)에 제 1 케이싱(43)이 장착되고, 제 1 케이싱(43)에 제 2 케이싱(51)이 장착되며, 상기 제 2 케이싱(51)의 접속구멍(52)에 접속단자(53)가 배치되고, 상기 제 2 케이싱 (51)의 개구부(56)에 제 3 케이싱(61)이 체결되어 제 1 케이싱(43) 내에 배치되고, 상기 제 3 케이싱(61)의 중공구멍(63)이 절연원판(71)에 의해 커버되고, 상기 접속단자(53)에 연결된 제 1 전선(55)이 절연원판(71)의 커넥터부(73)에 전기적으로 연결되며, 상기 절연원판(71)에 접속된 제 2 전선(81)이 지중의 접지봉(83)에 연결되는 것을 특징으로 한다.The present invention relates to an explosion-proof ground connection for preventing explosion of LPG gas by static electricity by grounding the static electricity generated when filling the LPG gas from the gas tank lorry to the underground and ground gas storage tank, (31) and explosion-proof ground (41), the explosion-proof connector 31 is provided with a connector 33 provided at one end of the ground wire for tank lorry 32, the ground terminal (5) and the bolt of the valve box (3) (7), the adapter 34 provided at the other end of the grounding wire 32 for tank lorry can be combined with the connection terminal of the explosion-proof grounding earth 41, the explosion-proof grounding earth 41 of the LPG machine room The first casing 43 is mounted on the base 42 attached to the wall, the second casing 51 is mounted on the first casing 43, and the connection hole 52 of the second casing 51 is mounted. The connection terminal 53 is disposed, and the third casing 61 is fastened to the opening 56 of the second casing 51 so that the first casing 61 is fastened. The hollow wire 63 of the third casing 61 is covered by the insulating disc 71, and the first electric wire 55 connected to the connection terminal 53 is disposed in the ying 43. Electrically connected to the connector portion 73 of the 71, it is characterized in that the second electric wire 81 connected to the insulating disc 71 is connected to the ground rod 83 in the ground.

Description

방폭접지접속구{Grounding and connecting tool for preventing a explosion for LPG gas}Explosion proof grounding connection {Grounding and connecting tool for preventing a explosion for LPG gas}

본 발명은 가스탱크로리(gas tank lorry)에서 지하 및 지상 가스저장탱크로 LPG 가스를 충전할 때 발생하는 정전기를 그라운딩시키므로서 정전기에 의한 LPG 가스의 폭발을 방지하는 방폭접지접속구에 관한 것으로서, 보다 상세하게는 탱크로리의 밸브박스에 접속된 방폭접속구의 아답터가 LPG 기계실의 벽에 부착되어 그라운딩된 방폭접지구에 접속되어 정전기에 의한 스파크가 탱크로리의 밸브박스에서 직접 발생하는 것을 방지하며, 액체용 탱크로리의 밸브박스의 가스배출구에서 액체가스로딩암 및 기체가스용 로딩암을 통해 가스저장탱크로 LPG 가스가 흐를 때 정전기가 발생하는 것을 방지하는 방폭접지접속구에 관한 것이다.The present invention relates to an explosion-proof grounding connection for preventing the explosion of LPG gas by static electricity by grounding the static electricity generated when filling the LPG gas from the gas tank lorry to underground and ground gas storage tank, The adapter of explosion-proof connector, which is connected to the valve box of the tank lorry, is attached to the wall of the LPG machine room and connected to the grounded explosion-proof earth area to prevent sparks caused by static electricity directly from the valve box of the tank lorry. The present invention relates to an explosion-proof grounding connection for preventing the occurrence of static electricity when the LPG gas flows into the gas storage tank through the gas discharge port of the valve box and the loading arm for the gas gas.

종래의 경우, 탱크로리(tank lorry)에서 가스저장탱크로 LPG 가스를 충전할 때 발생하는 정전기 발생을 방지하기 위해 지면에 접지된 접지선을 탱크로리의 밸브박스에 직접 접속하였다.In the related art, in order to prevent static electricity generated when the LPG gas is charged from the tank lorry to the gas storage tank, a ground wire grounded to the ground is directly connected to the valve box of the tank lorry.

그러나, 위와 같은 종래의 실시예에서는 접지선을 탱크로리의 밸브박스에 직접 접속할 때 밸브박스에 정전기 스파크가 발생하여 폭발위험이 있었으며, 법으로 LPG 가스 충전소 등에 방폭접지접속구 설치를 의무할 예정이어서 방폭접지접속구가 요구되고 있다.However, in the conventional embodiment as described above, when the ground wire is directly connected to the valve box of the tank lorry, there was a risk of explosion due to the electrostatic spark in the valve box. Is required.

따라서, 본 발명의 목적은 탱크로리의 밸브박스에 접속된 방폭접속구의 아답터가 LPG 기계실의 벽에 부착되어 그라운딩된 방폭접지구에 접속되어 정전기에 의한 스파크가 탱크로리의 밸브박스에서 직접 발생하는 것을 방지하며, 탱크로리의 밸브박스의 가스배출구에서 액체가스용 로딩암 및 기체가스용 로딩암을 통해 가스저장탱크로 LPG 가스가 흐를 때 정전기가 발생하는 것을 방지하는 방폭접지접속구를 제공하는 것이다.Therefore, an object of the present invention is to connect the explosion-proof connector of the explosion-proof connection port connected to the valve box of the tank lorry to the explosion-proof grounding ground attached to the wall of the LPG machine room to prevent sparks caused by static electricity directly from the valve box of the tank lorry To provide an explosion-proof ground connection for preventing the occurrence of static electricity when the LPG gas flows into the gas storage tank through the loading arm for the liquid gas and the loading arm for the gas gas from the gas outlet of the valve box of the tank lorry.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 방폭접지접속구의 일례는 탱크로리의 LPG 가스를 가스저장탱크로 충전할 때 정전기가 발생하는 것을 방지하기 위한 것으로서, 방폭접속구와 방폭접지구로 구분되며, 상기 방폭접속구는 탱크로리용 접지선의 일단에 구비된 커넥터가 밸브박스의 접지단자와 볼트에 의해 결합되고, 탱크로리용 접지선의 타단에 구비된 아답터가 방폭접지구의 접속단자와 결합될 수 있고, 상기 방폭접지구는 LPG 기계실의 벽에 부착되는 베이스에 제 1 케이싱이 장착되고, 제 1 케이싱에 제 2 케이싱이 장착되며, 상기 제 2 케이싱의 접속구멍에 접속단자가 배치되고, 상기 제 2 케이싱의 개구부에 제 3 케이싱이 체결되어 제 1 케이싱 내에 배치되고, 상기 제 3 케이싱의 중공구멍이 절연원판에 의해 커버되고, 상기 접속단자에 연결된 제 1 전선이 절연원판의 커넥터부에 전기적으로 연결되며, 상기 절연원판에 접속된 제 2 전선이 지중의 접지봉에 연결되는 것을 특징으로 한다.An example of explosion-proof grounding connection according to the present invention for achieving the above object is to prevent the occurrence of static electricity when filling the LPG gas of the tank lorry with a gas storage tank, is divided into explosion-proof connection and explosion-proof grounding, Explosion-proof connector is a connector provided at one end of the ground wire for tank lorry is coupled by the ground terminal and the bolt of the valve box, the adapter provided at the other end of the ground wire for tank lorry can be coupled with the connection terminal of the explosion-proof grounding earth, the explosion-proof grounding earth is The first casing is mounted on the base attached to the wall of the LPG machine room, the second casing is mounted on the first casing, the connecting terminal is disposed on the connecting hole of the second casing, and the third casing is opened on the opening of the second casing. The casing is fastened and disposed in the first casing, the hollow hole of the third casing is covered by an insulating disc, and the connection terminal The first wire connected is electrically connected to the connector portion of the insulated plate, and the second wire connected to the insulated plate is connected to the ground rod in the ground.

상기 접속단자는 절연체에 의해 커버되며, 상기 제 2 전선은 지면 위로 나오는 부분이 절연 파이프에 의해 감싸여지고, 제 1 케이싱의 하부구멍과 절연 파이프의 연결부위가 시일링되는 것을 특징으로 한다.The connection terminal is covered by an insulator, the second wire is characterized in that the portion coming out of the ground is wrapped by the insulating pipe, the lower hole of the first casing and the connection portion of the insulating pipe is sealed.

이하, 첨부도면을 참조하여 본 발명의 바람직한 실시예를 상세하게 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 탱크로리에서 지하가스저장탱크로 LPG 가스를 충전하는 예를 도시한 개략도1 is a schematic diagram showing an example of filling LPG gas from the tank lorry to the underground gas storage tank

도 2는 도 1의 예에서 본 발명에 따른 방폭접지접속구가 설치되는 예를 도시한 개략도Figure 2 is a schematic diagram showing an example in which the explosion-proof ground connection in accordance with the present invention in the example of FIG.

도 3은 본 발명에 따른 방폭접지접속구를 도시한 분해 사시도Figure 3 is an exploded perspective view showing the explosion-proof ground connection in accordance with the present invention

도 4는 도 3의 단면도4 is a cross-sectional view of FIG.

*도면의 주요부분에 대한 부호설명** Description of Signs of Main Parts of Drawings *

31 : 방폭접속구 32 : 탱크로리용 접지선31: explosion proof connection port 32: ground wire for tank lorry

33 : 커넥터 34 : 아답터33 connector 34 adapter

41 : 방폭접지구 42 : 베이스41: explosion-proof ground 42: base

43 : 제 1 케이싱 51 : 제 2 케이싱43: first casing 51: second casing

53 : 접속단자 55, 81 : 전선53: connection terminal 55, 81: electric wire

61 : 제 3 케이싱 71 : 절연원판61: third casing 71: insulated disc

83 : 접지봉83: ground rod

도 1을 참조하면, 일반적으로 탱크로리(1)의 밸브박스(3)와 가스저장탱크 (11)를 액체가스로딩암(5) 및 기체가스용 로딩암(7)으로 연결하여 탱크로리(1 : tank lorry)의 LPG 가스를 가스저장탱크(11)로 충전한다. 여기서, 가스저장탱크 (11)를 지하가스저장탱크로 예를 들고 있으나 지상가스저장탱크에도 적용될 수 있다는 것을 알 수 있을 것이다.Referring to FIG. 1, generally, the valve box 3 of the tank lorry 1 and the gas storage tank 11 are connected to the liquid gas loading arm 5 and the loading gas 7 for the gas gas to form a tank lorry (1: tank). The LPG gas of the lorry) is filled into the gas storage tank 11. Here, the gas storage tank 11 is taken as an underground gas storage tank, but it can be seen that it can be applied to the ground gas storage tank.

본 발명에 따른 방폭접지접속구(21)는 도 1 및 도 2에 도시된 바와같이 탱크로리(1)의 LPG 가스를 가스저장탱크(11)로 충전할 때 정전기가 발생하는 것을 방지하기 위한 것으로서, 방폭접속구(31)와 방폭접지구(41)로 구분된다.Explosion-proof grounding connector 21 according to the present invention is to prevent the occurrence of static electricity when filling the LPG gas of the tank lorry (1) to the gas storage tank 11, as shown in Figure 1 and 2, It is divided into a connection port 31 and the explosion-proof grounding (41).

도 2 및 도 3을 참조하면, 상기 방폭접속구(31)는 탱크로리용 접지선(32)의 일단에 구비된 커넥터(33)가 밸브박스(3)의 접지단자(5)와 볼트(7)에 의해 결합되고, 탱크로리용 접지선(32)의 타단에 구비된 아답터(34)가 방폭접지구(41)의 접속단자(53)와 결합될 수 있다.2 and 3, the explosion-proof connector 31 has a connector 33 provided at one end of the ground wire 32 for tank lorry by the ground terminal 5 and the bolt 7 of the valve box 3. The adapter 34 provided at the other end of the ground wire 32 for tank lorry may be coupled to the connection terminal 53 of the explosion proof earth 41.

도 3 및 도 4를 참조하면, 상기 방폭접지구(41)는 LPG 기계실의 벽에 부착되는 베이스(42)에 제 1 케이싱(43)이 장착되고, 제 1 케이싱(43)에 제 2 케이싱(51)이 장착되며, 상기 제 2 케이싱(51)의 접속구멍(52)에 접속단자(53)가 배치되고,상기 제 2 케이싱(51)의 개구부(56)에 제 3 케이싱(61)이 체결되어 제 1 케이싱 (43) 내에 배치되고, 상기 제 3 케이싱(61)의 중공구멍(63)이 절연원판(71)에 의해 커버되고, 상기 접속단자(53)에 연결된 제 1 전선(55)이 절연원판(71)의 커넥터부 (73)에 전기적으로 연결되며, 상기 절연원판(71)에 접속된 제 2 전선(81)이 지중의 접지봉(83)에 연결된다.3 and 4, the explosion-proof grounding earth 41 has a first casing 43 mounted to a base 42 attached to a wall of an LPG machine room, and a second casing (to a first casing 43). 51 is mounted, the connecting terminal 53 is disposed in the connecting hole 52 of the second casing 51, and the third casing 61 is fastened to the opening 56 of the second casing 51. Is disposed in the first casing 43, the hollow hole 63 of the third casing 61 is covered by the insulating disc 71, and the first electric wire 55 connected to the connection terminal 53 is It is electrically connected to the connector portion 73 of the insulating disk 71, the second wire 81 connected to the insulating disk 71 is connected to the ground rod 83 in the ground.

상기 접속단자(53)는 절연체(54)에 의해 커버되며, 상기 제 2 전선(81)은 지면 위로 나오는 부분이 절연 파이프(85)에 의해 감싸여지고, 제 1 케이싱(43)의 하부구멍(45)과 절연 파이프(85)의 연결부위가 시일링된다.The connection terminal 53 is covered by an insulator 54, and the second electric wire 81 is covered by an insulating pipe 85 with a portion coming out of the ground, and the lower hole of the first casing 43 ( The connection between 45 and the insulation pipe 85 is sealed.

상기와 같이 구성된 방폭접지접속구는 탱크로리(1)의 LPG 가스를 가스저장탱크(11)로 충전하기 위해 방폭접속구(31)를 방폭접지구(41)에 접속할 때 방폭접속구 (41)가 탱크로리(1)의 밸브박스(3)에 고정적으로 접속되어 있어 탱크로리(1)의 밸브박스(3)에서 직접적으로 스파크가 발생하지 않으며, 방폭접지구(31)와 방폭접속구(41) 사이에 스파크가 발생하여도 방폭접지구(41)가 탱크로리(1)에서 멀리 떨어져 있어 LPG 가스의 폭발 위험을 방지할 수 있다. 또한, 상기 방폭접지접속구는 탱크로리(1)의 밸브박스(3)의 가스배출구에서 액체가스용 로딩암(5) 및 기체가스용 로딩암(7)을 통해 가스저장탱크(11)로 LPG 가스가 흐를 때 정전기가 발생하는 것을 방지한다.The explosion-proof ground connection port configured as described above has an explosion-proof connection port 41 when the explosion-proof connection port 31 is connected to the explosion-proof ground port 41 to fill the LPG gas of the tank lorry 1 with the gas storage tank 11. Since it is fixedly connected to the valve box (3) of the (), the spark does not directly occur in the valve box (3) of the tank lorry (1), the spark is generated between the explosion-proof grounding earth 31 and the explosion-proof connection (41) The explosion-proof ground 41 is far from the tank lorry 1 can prevent the explosion risk of LPG gas. In addition, the explosion-proof ground connection port LPG gas from the gas outlet of the valve box (3) of the tank lorry (1) to the gas storage tank 11 through the loading arm for the liquid gas (5) and the loading arm for the gas gas (7) Prevents static electricity when flowing

위에서 설명한 바와같이 본 발명에 따른 방폭접지접속구는 탱크로리의 밸브박스에 접속된 방폭접속구의 아답터가 LPG 기계실의 벽에 부착되어 그라운딩된 방폭접지구에 접속되어 정전기에 의한 스파크가 탱크로리의 밸브박스에서 직접 발생하는 것을 방지하며, 탱크로리의 밸브박스의 가스배출구에서 액체가스용 로딩암 및 기체가스용 로딩암을 통해 가스저장탱크로 LPG 가스가 흐를 때 정전기가 발생하는 것을 방지하는 효과가 있다.As described above, the explosion-proof grounding connector according to the present invention is connected to the explosion-proof grounding ground of the LPG machine room by the adapter of the explosion-proof connector connected to the valve box of the tank lorry so that sparks caused by static electricity are directly transmitted from the valve box of the tank lorry. It is prevented from occurring, and there is an effect of preventing the occurrence of static electricity when the LPG gas flows into the gas storage tank through the loading arm for the liquid gas and the loading gas for gas at the gas outlet of the valve box of the tank lorry.

Claims (2)

탱크로리(1)의 LPG 가스를 가스저장탱크(11)로 충전할 때 정전기가 발생하는 것을 방지하기 위한 것으로서, 방폭접속구(31)와 방폭접지구(41)로 구분되며,To prevent the occurrence of static electricity when filling the LPG gas of the tank lorry (1) with the gas storage tank (11), it is divided into explosion-proof connector 31 and explosion-proof grounding (41), 상기 방폭접속구(31)는 탱크로리용 접지선(32)의 일단에 구비된 커넥터(33)가 밸브박스(3)의 접지단자(5)와 볼트(7)에 의해 결합되고, 탱크로리용 접지선(32)의 타단에 구비된 아답터(34)가 방폭접지구(41)의 접속단자(53)와 결합될 수 있고,The explosion-proof connector 31 is connected to the ground terminal 5 of the valve box 3 and the connector (33) provided at one end of the ground wire for tank lorry (32), the ground wire for tank lorry (32) Adapter 34 provided at the other end of the can be coupled with the connection terminal 53 of the explosion-proof grounding earth 41, 상기 방폭접지구(41)는 LPG 기계실의 벽에 부착되는 베이스(42)에 제 1 케이싱(43)이 장착되고, 제 1 케이싱(43)에 제 2 케이싱(51)이 장착되며, 상기 제 2 케이싱(51)의 접속구멍(52)에 접속단자(53)가 배치되고, 상기 제 2 케이싱(51)의 개구부(56)에 제 3 케이싱(61)이 체결되어 제 1 케이싱(43) 내에 배치되고, 상기 제 3 케이싱(61)의 중공구멍(63)이 절연원판(71)에 의해 커버되고, 상기 접속단자(53)에 연결된 제 1 전선(55)이 절연원판(71)의 커넥터부(73)에 전기적으로 연결되며, 상기 절연원판(71)에 접속된 제 2 전선(81)이 지중의 접지봉(83)에 연결되는 것을 특징으로 하는 방폭접지접속구.The explosion-proof ground 41 has a first casing 43 mounted on a base 42 attached to a wall of an LPG machine room, a second casing 51 mounted on a first casing 43, and the second casing 43. The connecting terminal 53 is disposed in the connecting hole 52 of the casing 51, and the third casing 61 is fastened to the opening 56 of the second casing 51 to be disposed in the first casing 43. The hollow hole 63 of the third casing 61 is covered by the insulating disc 71, and the first electric wire 55 connected to the connection terminal 53 is the connector portion of the insulating disc 71. 73 is electrically connected to the explosion-proof grounding connection, characterized in that the second electric wire (81) connected to the insulating disc (71) is connected to the ground rod (83) in the ground. 제 1 항에 있어서,The method of claim 1, 상기 접속단자(53)는 절연체(54)에 의해 커버되며, 상기 제 2 전선(81)은 지면 위로 나오는 부분이 절연 파이프(85)에 의해 감싸여지고, 제 1 케이싱(43)의 하부구멍(45)과 절연 파이프(85)의 연결부위가 시일링되는 것을 특징으로 하는 방폭접지접속구.The connection terminal 53 is covered by an insulator 54, and the second electric wire 81 is covered by an insulating pipe 85 with a portion coming out of the ground, and the lower hole of the first casing 43 ( 45) and the connection part of the insulating pipe 85 is explosion-proof ground connection characterized in that the sealing.
KR10-2002-0018133A 2002-04-03 2002-04-03 Grounding and connecting tool for preventing a explosion for LPG gas KR100460261B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824975U (en) * 1981-08-10 1983-02-17 二見プラスチツク工業株式会社 ground wire terminal
KR870001256U (en) * 1985-06-28 1987-02-20 보성물산 주식회사 Cable ground plane
US5159523A (en) * 1990-10-24 1992-10-27 Cornerstone Fuels, Inc. Grounding system and detection circuit for fueling
KR0124884Y1 (en) * 1995-06-13 1998-09-15 전성원 Earth cable reel mounting structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824975U (en) * 1981-08-10 1983-02-17 二見プラスチツク工業株式会社 ground wire terminal
KR870001256U (en) * 1985-06-28 1987-02-20 보성물산 주식회사 Cable ground plane
US5159523A (en) * 1990-10-24 1992-10-27 Cornerstone Fuels, Inc. Grounding system and detection circuit for fueling
KR0124884Y1 (en) * 1995-06-13 1998-09-15 전성원 Earth cable reel mounting structure

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