KR20040080131A - Rubber sleeve for jointing between cables with different conductor size - Google Patents
Rubber sleeve for jointing between cables with different conductor size Download PDFInfo
- Publication number
- KR20040080131A KR20040080131A KR1020030014993A KR20030014993A KR20040080131A KR 20040080131 A KR20040080131 A KR 20040080131A KR 1020030014993 A KR1020030014993 A KR 1020030014993A KR 20030014993 A KR20030014993 A KR 20030014993A KR 20040080131 A KR20040080131 A KR 20040080131A
- Authority
- KR
- South Korea
- Prior art keywords
- cable
- diameter
- inner diameter
- sleeve
- rubber sleeve
- Prior art date
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/002—Auxiliary arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/009—Cables with built-in connecting points or with predetermined areas for making deviations
Landscapes
- Cable Accessories (AREA)
Abstract
Description
본 발명은 고무 재질의 슬리브 형태로서 내경이 이경 케이블의 접속부에 일치되는 절연 보강부와, 상기 절연 보강부의 내경 중앙부에 형성되는 전계 완화용 고압 전극과, 상기 절연 보강부의 내경 양 단부에 각각 형성되는 차폐 전계 완화용 차폐 전극으로 구성되어 부품 수효가 감소되어 구조가 간단하고 이경 케이블 접속함을 용이하게 조립할 수 있도록 하는 이경 케이블 접속용 고무 슬리브에 관한 것이다.The present invention is in the form of a sleeve made of rubber material, the inner diameter of the reinforcing reinforcing portion is matched to the connecting portion of the two-diameter cable, the electric field relaxation high voltage electrode formed in the center of the inner diameter of the reinforcing reinforcement portion, respectively formed on both ends of the inner diameter of the insulating reinforcement The present invention relates to a rubber sleeve for diaphragm cable connection, which is composed of a shielding electrode for shielding electric field relaxation, so that the number of parts is reduced, so that the structure is simple and the assembling the diameter cable junction box can be easily assembled.
종래에는 도체의 직경이 서로 다른 초고압 케이블을 접속하면 직경이 작은 초고압 케이블에 케이블 외피와 동일한 재질의 테이프를 감아서 양 케이블의 외경을 서로 일치시키고 상기 테이프의 외경에 절연 테이프를 감아서 절연 보강을 하고 전계 완화를 위한 차폐 처리를 실시하고 몰딩 처리를 실시하여 이경 케이블을 접속하는 테이프 감기형 접속함이 주로 적용되었으나, 이러한 테이프 감기형 접속함은 조립이 매우 복잡하여 고도의 숙련작업자기 필요하며 조립에 상당한 시간이 소요된다는 문제점이 있다. 이러한 문제점을 해결하기 위해 에폭시 유닛과 전계 완화용 고무 스트레스 콘으로 구성되는 조립형 접속함이 개발되었으나, 이러한 조립형 접속함 역시 부품 수효가 많아서 구조가 복잡하고 조립에 숙련작업자가 필요하다는 문제점이 있다.Conventionally, when connecting ultra-high voltage cables with different conductor diameters, a tape of the same material as the cable sheath is wound around the ultra-high voltage cable having a small diameter to match the outer diameter of both cables, and the insulation tape is wound around the outer diameter of the tape to provide insulation reinforcement. The tape winding type junction box for connecting the two-diameter cable was mainly applied by performing shielding treatment and molding process for electric field relaxation. However, this tape winding type junction box is very complicated to be assembled and requires highly skilled workers. There is a problem that it takes a long time. In order to solve this problem, an assembly box consisting of an epoxy unit and an electric field stress rubber stress cone has been developed, but such an assembly box also has a problem in that a complicated structure is required due to the large number of parts and a skilled worker is required for assembly. .
본 발명의 목적은 고무 재질의 슬리브 형태로서 내경이 이경 케이블의 접속부에 일치되는 절연 보강부와 상기 절연 보강부의 내경 중앙부에 형성되는 고압 전극과 상기 절연 보강부의 내경 양 단부에 각각 형성되는 차폐 전극으로 구성되어 구조가 간단하고 이경 케이블 접속함을 용이하게 조립할 수 있도록 하는 이경 케이블 접속용 고무 슬리브를 제공하는데 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a shielding electrode formed at both ends of the inner reinforcing portion and the high-pressure electrode formed in the center of the inner diameter of the insulation reinforcing portion and the inner diameter of the insulating reinforcing portion in the form of a sleeve made of rubber material The present invention provides a rubber sleeve for diaphragm cable connection, which is configured to simplify the structure and to easily assemble the diaphragm cable box.
도 1은 본 발명의 고무 슬리브의 구조도1 is a structural diagram of a rubber sleeve of the present invention
* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
3 : 절연 보강부3: insulation reinforcement
4 : 고압 전극4: high voltage electrode
5 : 차폐 전극5: shielding electrode
11 : 케이블 도체11: cable conductor
12 : 케이블 절연층12: cable insulation layer
13 : 케이블 반도전층13: cable semiconducting layer
본 발명의 이경 케이블 접속용 고무 슬리브는 고무 재질의 슬리브 형태로서그 내경이 이경 케이블의 접속부에 일치되는 절연 보강부(3)와, 상기 절연 보강부(3)의 내경 중앙부에 형성되는 전계 완화용 고압 전극(4)과, 상기 절연 보강부(3)의 내경 양 단부에 각각 형성되는 차폐 전계 완화용 차폐 전극(5)으로 구성되는 특징이 있다.Rubber sleeve for connecting the two-diameter cable of the present invention is in the form of a sleeve made of rubber material for reducing the electric field formed in the inner diameter center portion of the insulation reinforcement portion 3 and the inner diameter of the insulation reinforcement portion (3) The high voltage electrode 4 and the shielding electric field relaxation shielding electrode 5 formed in the both ends of the inner diameter of the said insulation reinforcement part 3 are characteristic.
도면과 실시예를 참조하여 본 발명의 구성을 상세하게 설명한다.With reference to the drawings and embodiments will be described in detail the configuration of the present invention.
도 1은 본 발명에 의한 이경 케이블 접속용 고무 슬리브의 구조와 작용 상태를 도시한 것이다.1 shows the structure and working state of a rubber sleeve for connecting a two-diameter cable according to the present invention.
직경이 서로 다른 각 초고압 케이블의 케이블 도체(11)가 접속 연결되어 이경 케이블이 접속되고, 상기 이경 케이블의 접속부의 외경을 둘러싸서 절연하는 고무 재질의 절연 보강부(3)가 형성된다. 상기 절연 보강부(3)는 일정한 길이의 슬리브 형태로서 그 내경이 상기 이경 케이블 접속부의 코로나 실드의 외경과 일치되는 2 단계 구조이며, 상기 절연 보강부(3)의 내경에 전계 완화용 고압 전극(4)과 차폐 전계 완화용 차폐 전극(5)이 일체로 안착되는 구성이다.Cable conductors 11 of each of the ultra-high voltage cables having different diameters are connected to each other so that the two-diameter cables are connected, and an insulation reinforcement portion 3 made of rubber material is formed to surround and insulate the outer diameter of the connecting portion of the two-diameter cable. The insulation reinforcement 3 has a shape of a sleeve having a constant length and has a two-stage structure in which its inner diameter matches the outer diameter of the corona shield of the two-diameter cable connecting portion. 4) and a shielding electrode 5 for shielding electric field relaxation are integrally seated.
절연 보강부(3)의 내경 중앙부에 전계 완화용 고압 전극(4)이 형성된다. 상기 전계 완화용 고압 전극(4)은 코로나 실드의 외경과 일치되는 2 단계의 슬리브 형태로서 상기 절연 보강부(3)의 내경 중앙부에 일체로 안착되며, 상기 코로나 실드를 차폐하여 이경 케이블 접속함의 전계를 완화시키도록 구성된다.An electric field relaxation high voltage electrode 4 is formed in the center of the inner diameter of the insulation reinforcing portion 3. The electric field relaxation high-voltage electrode 4 is a two-stage sleeve form that matches the outer diameter of the corona shield and is integrally seated on the inner diameter center of the insulation reinforcing portion 3, and shields the corona shield to shield the electric field of the cable connection box. And to mitigate.
절연 보강부(3)의 내경 양 단부에 각각 차폐 전계 완화용 차폐 전극(5)이 형성된다. 상기 차폐 전계 완화용 차폐 전극(5)은 일정한 길이의 슬리브 형태로서 상기 절연 보강부(3)의 내경의 양 단부에 각각 일체로 안착되며, 각 케이블의 반도전층(13)을 차폐하여 이경 케이블 접속함의 차폐 전계를 완화시키도록 구성된다.Shielding electrodes 5 for shielding electric field relaxation are formed at both ends of the inner diameter of the insulation reinforcement 3. The shielding electrode for shielding electric field relaxation 5 is integrally seated at both ends of the inner diameter of the insulation reinforcing part 3 in the form of a sleeve having a predetermined length, and shields the semiconducting layer 13 of each cable to connect the two-diameter cable. And to mitigate the shielding field of the enclosure.
고무 재질의 슬리브 형태인 절연 보강부(3)의 내경에 전계 완화용 고압 전극(4)과 차폐 전계 완화용 차폐 전극(5)이 일체로 안착되는 구성이므로 에폭시 유닛과 전계 완화용 고무 스트레스 콘으로 구성되는 종래의 조립형 접속함에 비해 부품 수효가 감소되어 구조가 간단해진다.Since the high pressure electrode 4 for relaxation of the electric field and the shielding electrode 5 for shielding the electric field are integrally seated on the inner diameter of the insulating reinforcement 3 in the form of a sleeve made of rubber, an epoxy unit and a rubber stress cone for relaxation of the electric field The number of parts is reduced and the structure is simplified compared with the conventional assembled junction box constructed.
실시예를 참조하여 본 발명의 작용을 상세하게 설명한다.The operation of the present invention will be described in detail with reference to Examples.
서로 다른 도체 사이즈를 지닌 초고압 케이블을 접속하려면 우선, 직경이 작은 초고압 케이블에 이경 케이블 접속용 고무 슬리브를 삽입하여 밀어넣고, 상기 각 초고압 케이블의 케이블 절연층(12)의 단부를 벗겨서 케이블 도체(11)를 노출시킨다. 노출된 각 케이블 도체(11)를 도체 슬리브로 압착하여 상기 이경 케이블을 연결하고, 상기 도체 슬리브와 각 초고압 케이블의 케이블 절연층(12)의 외경에 2분할 구조인 코로나 실드를 설치한다. 직경이 작은 초고압 케이블로 밀어넣었던 이경 케이블 접속용 고무 슬리브를 직경이 큰 초고압 케이블의 방향으로 진행하여 상기 코로나 실드에 안착하여 이경 케이블의 접속부에 완전히 고정시키므로서 이경 케이블 접속함을 조립한다.In order to connect ultra-high voltage cables having different conductor sizes, first, a rubber sleeve for connecting a two-diameter cable is inserted and pushed into the ultra-high voltage cable having a small diameter, and the end of the cable insulation layer 12 of each of the ultra-high voltage cables is peeled off. ). Each exposed cable conductor 11 is crimped with a conductor sleeve to connect the two-diameter cable, and a corona shield having a two-split structure is installed at the outer diameter of the conductor sleeve and the cable insulation layer 12 of each ultra-high voltage cable. The radial diameter cable junction box is assembled by advancing the rubber sleeve for connecting the radial diameter cable, which has been pushed into the ultra-high diameter cable, in the direction of the large diameter ultrahigh voltage cable, and seating on the corona shield to completely fix the connection portion of the radial cable.
상기한 바와 같이 본 발명의 이경 케이블 접속용 고무 슬리브을 적용하는 이경 케이블 접속함의 조립 공정이 종래의 테이프 감기형 접속함이나 조립형 접속함에 비해 매우 간단 용이하기 때문에 일반작업자가 이경 케이블 접속함의 조립을 실시할 수 있다.As described above, the process of assembling the diameter cable junction box using the rubber sleeve for diameter cable connection according to the present invention is very simple and easy compared to the conventional tape wound junction box and the assembly type junction box. can do.
본 발명에 의한 이경 케이블 접속용 고무 슬리브는 고무 재질의 슬리브 형태로서 내경이 이경 케이블의 접속부와 일치되는 절연 보강부와 상기 절연 보강부의 내경 중앙부에 형성되는 고압 전극과 상기 절연 보강부의 내경 양 단부에 각각 형성되는 차폐 전극으로 구성되어 부품 수효가 감소되어 구조가 간단하며, 이경 케이블 접속함을 단시간에 용이하게 조립하도록 하는 효과가 있다.Rubber sleeve for connecting the two-diameter cable according to the present invention is in the form of a sleeve made of rubber material in the inner reinforcing portion of the inner diameter is matched with the connecting portion of the two-diameter cable and the high-pressure electrode formed in the inner diameter center portion of the insulating reinforcing portion and the inner diameter both ends of the insulating reinforcing portion; It is composed of shielding electrodes that are formed, respectively, the number of parts is reduced, the structure is simple, there is an effect to easily assemble the two-way cable junction box in a short time.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030014993A KR20040080131A (en) | 2003-03-11 | 2003-03-11 | Rubber sleeve for jointing between cables with different conductor size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030014993A KR20040080131A (en) | 2003-03-11 | 2003-03-11 | Rubber sleeve for jointing between cables with different conductor size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20040080131A true KR20040080131A (en) | 2004-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020030014993A KR20040080131A (en) | 2003-03-11 | 2003-03-11 | Rubber sleeve for jointing between cables with different conductor size |
Country Status (1)
| Country | Link |
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| KR (1) | KR20040080131A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100729044B1 (en) * | 2005-08-25 | 2007-06-14 | 한국전력공사 | Unity type sleeves for connection of service wire |
| WO2016085071A1 (en) * | 2014-11-26 | 2016-06-02 | 엘에스전선 주식회사 | Intermediate junction box for ultra-high-voltage direct current power cable |
| KR20160063219A (en) * | 2014-11-26 | 2016-06-03 | 엘에스전선 주식회사 | Joint for High-Voltage Direct Current |
| KR20160088780A (en) * | 2015-01-15 | 2016-07-26 | 엘에스전선 주식회사 | Joint sleeve and Connection structrue |
| CN109461519A (en) * | 2018-10-09 | 2019-03-12 | 张起 | A kind of outer envelope curve of flame retardant cable and its application method |
| CN113871087A (en) * | 2021-10-20 | 2021-12-31 | 安徽天康集团数据线缆有限公司 | Special shielding type data cable for wind power generation |
| WO2023177069A1 (en) * | 2022-03-15 | 2023-09-21 | 대한전선 주식회사 | Pmj with different diameters and rubber unit with different diameters for connection of ultra-high voltage cable with different diameters |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684744U (en) * | 1993-04-29 | 1994-12-02 | 古河電気工業株式会社 | Power cable heterogeneous common connection |
| JP2000350349A (en) * | 1999-06-03 | 2000-12-15 | Mitsubishi Cable Ind Ltd | Power cable connection method |
| JP2002191116A (en) * | 2000-12-19 | 2002-07-05 | Showa Electric Wire & Cable Co Ltd | Cable joint |
-
2003
- 2003-03-11 KR KR1020030014993A patent/KR20040080131A/en not_active Application Discontinuation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684744U (en) * | 1993-04-29 | 1994-12-02 | 古河電気工業株式会社 | Power cable heterogeneous common connection |
| JP2000350349A (en) * | 1999-06-03 | 2000-12-15 | Mitsubishi Cable Ind Ltd | Power cable connection method |
| JP2002191116A (en) * | 2000-12-19 | 2002-07-05 | Showa Electric Wire & Cable Co Ltd | Cable joint |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100729044B1 (en) * | 2005-08-25 | 2007-06-14 | 한국전력공사 | Unity type sleeves for connection of service wire |
| WO2016085071A1 (en) * | 2014-11-26 | 2016-06-02 | 엘에스전선 주식회사 | Intermediate junction box for ultra-high-voltage direct current power cable |
| KR20160063219A (en) * | 2014-11-26 | 2016-06-03 | 엘에스전선 주식회사 | Joint for High-Voltage Direct Current |
| KR20160088780A (en) * | 2015-01-15 | 2016-07-26 | 엘에스전선 주식회사 | Joint sleeve and Connection structrue |
| CN109461519A (en) * | 2018-10-09 | 2019-03-12 | 张起 | A kind of outer envelope curve of flame retardant cable and its application method |
| CN113871087A (en) * | 2021-10-20 | 2021-12-31 | 安徽天康集团数据线缆有限公司 | Special shielding type data cable for wind power generation |
| WO2023177069A1 (en) * | 2022-03-15 | 2023-09-21 | 대한전선 주식회사 | Pmj with different diameters and rubber unit with different diameters for connection of ultra-high voltage cable with different diameters |
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