KR100815933B1 - Latch safety device for transformer live wire in pillar for supply of electric power for period - Google Patents

Latch safety device for transformer live wire in pillar for supply of electric power for period Download PDF

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Publication number
KR100815933B1
KR100815933B1 KR1020070139544A KR20070139544A KR100815933B1 KR 100815933 B1 KR100815933 B1 KR 100815933B1 KR 1020070139544 A KR1020070139544 A KR 1020070139544A KR 20070139544 A KR20070139544 A KR 20070139544A KR 100815933 B1 KR100815933 B1 KR 100815933B1
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South Korea
Prior art keywords
branch
ring
live
corrugated pipe
sleeve
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KR1020070139544A
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Korean (ko)
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조욱제
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(주)세종기술단
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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
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/192—Cable junctions protected by sleeves, e.g. for communication cable with support means for ends of the sleeves
    • 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
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

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  • Transformers For Measuring Instruments (AREA)

Abstract

A safety device for a branch in a pole transformer is provided to easily check the branch after installing the safety device by exposing the branch to a lower end of the safety device. A plurality of supporting ring bodies surround a branch sleeve and have rubber rings of which lower ends are cut to be separated, plastic connecting units at both ends of the rubber rings to be vertically extended and located outside a branch, and coupling holes at both sides of lower ends of the plastic connecting units. A link protecting cover(20) has a plurality of bolt holes coupled with the coupling holes of the plastic connecting units by coupling bolts. A corrugated pipe protecting cover(30) has a lower end opening unit at a lower end and power line holes at right and left sides and surrounds the branch sleeve and the plurality of supporting ring bodies. An elastic plastic outer cover(40) has uneven units on an outer surface of the corrugated pipe protecting cover and an opening unit at a lower end so as to surround the corrugated pipe protecting cover.

Description

주상변압기 활선분기고리 안전보호장치{Latch safety device for transformer live wire in pillar for supply of electric power for period}Latch safety device for transformer live wire in pillar for supply of electric power for period}

본 발명은 주상변압기 활선분기고리 안전보호장치에 관한 것으로서, 보다 상세하게는 전력선의 전원을 분기하기 위해 설치되는 분기슬리브의 활선분기고리를 감싸 보호하기 위한 별도의 안전장치를 설치하여 가정 및 산업체에 주전력선으로부터 안정된 전기공급을 이룰 수 있고, 안전장치의 하단부로 활선분기고리를 노출시킬 수 있도록 하여 안전장치를 설치한 후에도 상기 활선분기고리를 용이하게 점검할 수 있는 주상변압기 활선분기고리 안전보호장치에 관한 것이다. The present invention relates to a safety circuit for live coil branch loop transformer, and more particularly, to install a separate safety device for wrapping and protecting the live branch loop of a branch sleeve that is installed to branch the power line. Pole transformer live branch ring safety protection device that can achieve stable electricity supply from the main power line and can easily check the live branch ring even after installing the safety device by exposing the live branch ring to the lower part of the safety device. It is about.

일반적으로, 가정이나 산업체 등에 단상 또는 3상 전력의 공급은 배전선로의 전력선에서 주상변압기의 분기선을 분기한다. 이 경우 대부분 분기슬리브를 이용하게 되어 있는데, 종래 이와 같은 분기슬리브는 활선분기고리를 이용하여 분기선을 전력선에서 분기시키도록 되어 있다.In general, the supply of single-phase or three-phase electric power to homes or industrial branches branches the branch line of the columnar transformer from the power line of the distribution line. In this case, most of the branch sleeves are used. In the related art, the branch sleeves use the live branch rings to branch the branch lines from the power lines.

일반적으로 사용되고 있는 분기슬리브의 설치상태는, 전주 상부의 전력선에 결합된 분기슬리브에는 활선분기고리가 결합 설치되고, 상기 활선분기고리와 컷아웃스위치에는 각각 1차 리드선이 연결되며, 상기 컷아웃스위치와 주상변압기에는 각각 2차 리드선이 연결되어, 상기 주상변압기로부터 전력이 공급된다.In the installation state of a branch sleeve that is generally used, the branch sleeve is coupled to the branch sleeve coupled to the electric power line of the upper pole, the primary branch is connected to the live branch ring and the cutout switch, respectively, the cutout switch Secondary lead wires are respectively connected to and the column transformer, and electric power is supplied from the column transformer.

상기와 같이 전주의 전력선에 분기슬리브가 반드시 설치되는바, 상기 분기슬리브는 전력의 공급뿐만 아니라, 건축물의 신, 증축 또는 철거 등으로 인하여 주상변압기를 제거하여 전력의 공급을 차단한 상태에서도 고압의 전원이 흐르는 상태로 있게 된다.As described above, the branch sleeve is necessarily installed on the electric power line of the pole, and the branch sleeve may not only supply power but also remove the columnar transformer due to the expansion, extension, or demolition of the building. The power will flow.

그러나 이와 같이, 종래 분기슬리브에 설치된 활선분기고리는 상기 분기슬리브의 외부로 노출되어 있기 때문에 이물질 적층으로 인한 오작동 및 각종 안전사고를 유발하는 문제점이 있었다.However, since the live branch ring installed in the conventional branch sleeve is exposed to the outside of the branch sleeve, there is a problem of causing malfunctions and various safety accidents due to foreign matter stacking.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 전력선의 전원을 분기하기 위해 설치되는 분기슬리브의 활선분기고리를 감싸 보호하기 위한 별도의 안전장치를 설치하여 가정 및 산업체에 주전력선으로부터 안정된 전기공급을 이룰 수 있고, 안전장치의 하단부로 활선분기고리를 노출시킬 수 있도록 하여 안전장치를 설치한 후에도 상기 활선분기고리를 용이하게 점검할 수 있는 주상변압기 활선분기고리 안전보호장치를 제공함에 그 목적이 있다.The present invention is to solve the above problems, by installing a separate safety device for wrapping and protecting the live branch ring of the branch sleeve is installed to branch the power line power supply stable electricity from the main power line to the home and industry The purpose of the present invention is to provide a live transformer diverter ring safety protection device capable of easily checking the live branch ring even after installing the safety device by allowing the live branch ring to be exposed to the lower end of the safety device. have.

이와 같은 목적을 달성하기 위하여, 본 발명은 가정이나 산업체로 전원을 분기하기 위해 설치되는 분기슬리브의 활선분기고리를 보호하기 위한 활선분기고리 안전보호장치에 있어서;In order to achieve the above object, the present invention provides a live branch ring safety protection device for protecting the live branch ring of the branch sleeve is installed to branch the power supply to the home or industry;

상기 분리슬리브를 감싸고 활선분기고리와는 이격되도록 하단은 절단되어 분리된 고무재질의 링형상인 고무링이 형성되되 고무링 양단에는 하부로 플라스틱연결재가 각각 수직연장되어 활선분기고리 외측에 위치되고, 플라스틱연결재 하단 양측에는 동일선상의 체결공이 관통되게 형성된 다수 개의 지지링체와;A rubber ring is formed in the shape of a ring of rubber material which is cut and separated so as to surround the separation sleeve and be separated from the live branch ring, and the plastic connecting member is vertically extended at both ends of the rubber ring, and is positioned outside the live branch ring. A plurality of support rings formed at both ends of the connection member so that fastening holes in the same line pass therethrough;

상하로 관통된 사각통체로 상기 분기슬리브를 감싸는 다수 개의 지지링체의 플라스틱연결재의 체결공에 각각 체결볼트에 의해 체결고정되는 다수 개의 볼트공이 형성되어 상기 활선분기고리를 보호하는 고리보호커버와;A ring protection cover for protecting the live branch ring by forming a plurality of bolt holes which are fastened by fastening bolts, respectively, in fastening holes of plastic connection members of a plurality of support ring bodies which surround the branch sleeves by vertically passing through rectangular cylinders;

좌우측으로 접철되는 주름관체로 하단에는 하단개방부가 형성되고, 좌우측으 로는 주전력선이 관통되는 전력선공이 각각 형성되며, 하단개방부를 통해 상기 분기슬리브와 분기슬리브를 감싸는 상기 다수 개 지지링체를 감싸는 주름관보호커버와;Corrugated pipe protection cover that surrounds the plurality of support ring bodies surrounding the branch sleeve and the branch sleeve through the lower opening, the lower opening is formed at the bottom, and the power line hole through the main power line is formed at the left and right, respectively. Wow;

상기 주름관보호커버의 외면에 대응되는 요철부를 내주연에 갖는 관체로 하단에는 개방부가 형성되어 상기 주름관보호커버를 감싸는 절연 및 난열재질인 탄성플라스틱외피를 구비하는 특징이 있다.The tube having an uneven portion corresponding to the outer surface of the corrugated pipe protective cover on the inner circumference has an opening formed at the lower end thereof, and has an elastic and plastic shell which is an insulating and heat-resistant material surrounding the corrugated pipe protective cover.

이와 같이, 본 발명은 전력선의 전원을 분기하기 위해 설치되는 분기슬리브의 활선분기고리를 감싸 보호하기 위한 별도의 안전장치를 설치하여 가정 및 산업체에 주전력선으로부터 안정된 전기공급을 이룰 수 있고, 안전장치의 하단부로 활선분기고리를 노출시킬 수 있도록 하여 안전장치를 설치한 후에도 상기 활선분기고리를 용이하게 점검할 수 있는 효과가 있다.As such, the present invention can provide a stable electric supply from the main power line to homes and industries by installing a separate safety device for wrapping and protecting the live branch ring of the branch sleeve installed to branch the power line power supply, safety device The live branch ring can be exposed to the lower end of the live branch ring, so that the live branch ring can be easily checked even after the safety device is installed.

본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

이하, 본 발명을 첨부된 도면에 의해 보다 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 1은 본 발명 실시 예인 주상변압기 활선분기고리 안전보호장치의 시공모습을 보인 사시도이고, 도 2는 본 발명 실시 예인 주상변압기 활선분기고리 안전보 호장치의 체결모습을 보인 분리 사시도이며, 도 3은 본 발명 실시 예인 주상변압기 활선분기고리 안전보호장치의 시공모습을 보인 요부확대 측단면도이고, 도 4는 본 발명 실시 예인 주상변압기 활선분기고리 안전보호장치의 시공모습을 보인 측면도이다.1 is a perspective view showing the construction of the pillar-type transformer live branch ring safety protection device according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a fastening view of the pillar-type transformer live branch ring safety protection device according to an embodiment of the present invention, Figure 3 Figure 4 is an enlarged side cross-sectional view showing the construction of the pillar-type transformer live branch loop safety protection device according to the embodiment of the present invention, Figure 4 is a side view showing the construction of a column transformer live branch loop safety protection device according to an embodiment of the present invention.

참고로 본 발명을 설명함에 있어 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단될 경우에는 그 상세한 설명을 생략하였다.For reference, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof is omitted.

또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운영자의 의도 또는 관례 등에 따라 달라질 수 있다.In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

그러므로, 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것임은 물론이다.Therefore, the definition should be made based on the contents throughout the specification.

본 발명의 주상변압기 활선분기고리 안전보호장치는, 가정이나 산업체로 전원을 분기하기 위해 설치되는 분기슬리브(50)의 활선분기고리(51)를 보호하기 위한 것으로, 분기슬리브(50)를 감싸는 절연체인 지지링체(10)와, 활선분기고리(51)를 보호하는 고리보호커버(20)와, 다수 개 지지링체(10)를 분기슬리브(50)에 고정시키는 주름관보호커버(30)와, 주름관보호커버(30)가 외부충격에 의해 이탈 및 분리되는 것을 방지하는 탄성플라스틱외피(40)로 구성된다.The pillar-type transformer live branch ring safety protection device of the present invention is for protecting the live branch ring 51 of the branch sleeve 50 installed to branch the power supply to homes or industries, and insulators surrounding the branch sleeve 50. Phosphorus support ring (10), ring protection cover (20) for protecting live branch ring (51), corrugated pipe protection cover (30) for fixing a plurality of support ring bodies (10) to branch sleeve (50), corrugated pipe Protective cover 30 is composed of an elastic plastic shell 40 to prevent the separation and separation by the external impact.

상기 지지링체(10)는 분기슬리브(50)를 감싸고 하부로 연장되는 다수 개의 절연체로, 상기 분리슬리브(50)를 감싸고 활선분기고리(51)와는 이격되도록 하단은 절단되어 분리된 고무재질의 링형상인 고무링(11)이 형성되되 고무링(11) 양단에는 하부로 플라스틱연결재(12)가 각각 수직연장되어 활선분기고리(51) 외측에 위치되고, 플라스틱연결재(12) 하단 양측에는 동일선상의 체결공(13)이 관통되게 형성된다. The support ring 10 is a plurality of insulators that surround the branch sleeve 50 and extend downward, and the lower end is cut and separated so as to surround the separation sleeve 50 and spaced apart from the live branch ring 51. Merchant rubber ring 11 is formed, the plastic ring member 12 is vertically extended to the lower end of the rubber ring 11, respectively, is located outside the live branch ring 51, the same line on both sides of the lower end of the plastic connector (12) The fastening hole 13 is formed to pass through.

상기 고리보호커버(20)는 활선분기고리(51)를 보호하는 상하로 관통된 사각통체로, 상기 분기슬리브(50)를 감싸는 다수 개 지지링체(10)의 플라스틱연결재(12)의 체결공(13)에 각각 체결볼트(22)에 의해 체결고정되는 다수 개의 볼트공(21)이 형성된다. The ring protection cover 20 is a rectangular cylinder penetrating up and down to protect the live branch ring 51, the fastening hole of the plastic connection member 12 of the plurality of support ring body 10 surrounding the branch sleeve 50 ( 13, a plurality of bolt holes 21 are fastened and fastened by fastening bolts 22, respectively.

상기 주름관보호커버(30)는 다수 개 지지링체(10)를 분기슬리브(50)에 고정시키는 좌우측으로 접철된 주름관체로, 하단에는 하단개방부(31)가 형성되고, 좌우측으로는 주전력선(52)이 관통되는 전력선공(32,33)이 각각 형성되며, 하단개방부(31)를 통해 상기 분기슬리브(50)와 분기슬리브(50)를 감싸는 상기 다수 개 지지링체(10)를 감싼다. The corrugated pipe protective cover 30 is a corrugated pipe body folded to the left and right sides to fix the plurality of support ring bodies 10 to the branch sleeve 50, the lower end opening portion 31 is formed at the lower end, and the main power line 52 to the left and right sides. Power lines (32, 33) through which are penetrated are formed, respectively, and surrounds the plurality of support ring bodies (10) surrounding the branch sleeve (50) and the branch sleeve (50) through a lower opening (31).

상기 탄성플라스틱외피(40)는 주름관보호커버(30)가 외부충격에 의해 이탈 및 분리되는 것을 방지하는 절연 및 난열재질의 관체로, 상기 주름관보호커버(30)의 외면에 대응되는 요철부(41,42)를 내주연에 형성되고, 하단에는 개방부(43)가 형성되어 상기 주름관보호커버(30)를 외측에서 감싼다. The elastic plastic sheath 40 is a tube of insulation and heat-resistant material to prevent the corrugated pipe protection cover 30 from being separated and separated by an external impact, the uneven portion 41 corresponding to the outer surface of the corrugated pipe protection cover 30 , 42 is formed on the inner circumference, and an opening 43 is formed at the lower end to surround the corrugated pipe protective cover 30 from the outside.

이와 같은 본 발명은, 다수 개의 지지링체(10)로 분기슬리브(50)를 감싼 다음, 활선분기고리(51) 외측에 위치된 다수 개의 플라스틱연결재(12)를 고리보호커버(20)의 내측에 위치시킨다.In the present invention, the branch sleeve 50 is wrapped with a plurality of support ring bodies 10, and then a plurality of plastic connecting members 12 positioned outside the live branch ring 51 are provided inside the ring protection cover 20. Position it.

이 상태에서 고리보호커버(20)의 볼트공(21)을 통해서 다수 개 지지링체(10) 의 체결공(13)에 체결볼트(22)를 각각 체결고정시킨다.In this state, the fastening bolts 22 are fastened to the fastening holes 13 of the plurality of support ring bodies 10 through the bolt holes 21 of the ring protection cover 20, respectively.

그 다음, 분기슬리브(50)와 함께 다수 개의 지지링체(10)를 하단개방부(31)를 통해서 주름관보호커버(30)를 감싼 다음, 탄성플라스틱외피(40)의 요부(41)와 철부(42)를 주름관보호커버(30)의 외면에 대응되게 개방부(43)를 통해서 완강하게 감싼다.Next, the plurality of support ring bodies 10 together with the branch sleeve 50 are wrapped around the corrugated pipe protection cover 30 through the lower opening 31, and then the recessed portions 41 and the convex portions of the elastic plastic shell 40 are formed. 42 is firmly wrapped through the opening 43 to correspond to the outer surface of the corrugated pipe protective cover 30.

이 상태에서 고리보호커버(20)의 개방된 하단을 통해서 활선분기고리(51)에 인하선(60)을 접속고정시키면 된다.In this state, the lower cutting line 60 may be connected and fixed to the live branch ring 51 through the open lower end of the ring protection cover 20.

도 1은 본 발명 실시 예인 주상변압기 활선분기고리 안전보호장치의 시공모습을 보인 사시도, 1 is a perspective view showing the construction of the columnar transformer live branch loop safety protection device according to an embodiment of the present invention;

도 2는 본 발명 실시 예인 주상변압기 활선분기고리 안전보호장치의 체결모습을 보인 분리 사시도, Figure 2 is an exploded perspective view showing a fastening pattern of the columnar transformer live branch loop safety protection device according to an embodiment of the present invention,

도 3은 본 발명 실시 예인 주상변압기 활선분기고리 안전보호장치의 시공모습을 보인 요부확대 측단면도, Figure 3 is an enlarged side cross-sectional view showing the main part of the construction of the pillar-type transformer live branch loop safety protection device according to an embodiment of the present invention,

도 4는 본 발명 실시 예인 주상변압기 활선분기고리 안전보호장치의 시공모습을 보인 측면도.Figure 4 is a side view showing the construction of the columnar transformer live branch loop safety protection device according to an embodiment of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 지지링체 11 : 고무링10 support ring 11 rubber ring

12 : 플라스틱연결재 13 : 체결공12: plastic connector 13: fastening hole

20 : 고리보호커버 21 : 볼트공20: ring protection cover 21: bolt hole

22 : 체결볼트 22: fastening bolt

30 : 주름관보호커버 31 : 하단개방부30: corrugated pipe protection cover 31: lower opening

32,33 : 전력선공32,33: Power Liner

40 : 탄성플라스틱외피 41 : 요부40: elastic plastic jacket 41: main part

42 : 철부 43 : 개방부42: iron portion 43: opening portion

50 : 분기슬리브 51 : 활선분기고리50: branch sleeve 51: live branch ring

52 : 주전력선52: main power line

60 : 인하선60: lowering line

Claims (1)

가정이나 산업체로 전원을 분기하기 위해 설치되는 분기슬리브의 활선분기고리를 보호하기 위한 활선분기고리 안전보호장치에 있어서;Claims [1] A live branch ring safety protection device for protecting a live branch ring of a branch sleeve installed to branch a power supply to a home or industry; 상기 분리슬리브를 감싸고 활선분기고리와는 이격되도록 하단은 절단되어 분리된 고무재질의 링형상인 고무링이 형성되되 고무링 양단에는 하부로 플라스틱연결재가 각각 수직연장되어 활선분기고리 외측에 위치되고, 플라스틱연결재 하단 양측에는 동일선상의 체결공이 관통되게 형성된 다수 개의 지지링체와;A rubber ring is formed in the shape of a ring of rubber material which is cut and separated so as to surround the separation sleeve and be separated from the live branch ring, and the plastic connecting member is vertically extended at both ends of the rubber ring, and is positioned outside the live branch ring. A plurality of support rings formed at both ends of the connection member so that fastening holes in the same line pass therethrough; 상하로 관통된 사각통체로 상기 분기슬리브를 감싸는 다수 개의 지지링체의 플라스틱연결재의 체결공에 각각 체결볼트에 의해 체결고정되는 다수 개의 볼트공이 형성되어 상기 활선분기고리를 보호하는 고리보호커버와;A ring protection cover for protecting the live branch ring by forming a plurality of bolt holes which are fastened by fastening bolts, respectively, in fastening holes of plastic connection members of a plurality of support ring bodies which surround the branch sleeves by vertically passing through rectangular cylinders; 좌우측으로 접철되는 주름관체로 하단에는 하단개방부가 형성되고, 좌우측으로는 주전력선이 관통되는 전력선공이 각각 형성되며, 하단개방부를 통해 상기 분기슬리브와 분기슬리브를 감싸는 상기 다수 개 지지링체를 감싸는 주름관보호커버와;A corrugated pipe protective cover that wraps the plurality of support ring bodies surrounding the branch sleeve and the branch sleeve through the lower opening, the lower open portion is formed at the bottom, and the power line hole through which the main power line penetrates, respectively. Wow; 상기 주름관보호커버의 외면에 대응되는 요철부를 내주연에 갖는 관체로 하단에는 개방부가 형성되어 상기 주름관보호커버를 감싸는 절연 및 난열재질인 탄성플라스틱외피를 구비하는 주상변압기 활선분기고리 안전보호장치.Columnar transformer gland ring safety protection device having an elastic and plastic shell of insulating and heat-resistant material is formed in the lower end of the tube body having an uneven portion corresponding to the outer surface of the corrugated pipe protective cover in the inner periphery surrounding the corrugated pipe protective cover.
KR1020070139544A 2007-12-28 2007-12-28 Latch safety device for transformer live wire in pillar for supply of electric power for period KR100815933B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860974B1 (en) 2008-06-23 2008-10-10 태한전기 주식회사 Safety device for link live diverging of transformer live wire in pillar
KR101033535B1 (en) 2011-02-23 2011-05-11 (주)광일 Safety appratus for transformer pole branch a link

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100722290B1 (en) * 2007-03-13 2007-05-28 육지영 It is a latch safety device for a transformer live wire in a pillar for supply of electric power for period

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100722290B1 (en) * 2007-03-13 2007-05-28 육지영 It is a latch safety device for a transformer live wire in a pillar for supply of electric power for period

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
등록특허공보10-0722290

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860974B1 (en) 2008-06-23 2008-10-10 태한전기 주식회사 Safety device for link live diverging of transformer live wire in pillar
KR101033535B1 (en) 2011-02-23 2011-05-11 (주)광일 Safety appratus for transformer pole branch a link

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