KR100809010B1 - a high-voltage cable - Google Patents

a high-voltage cable Download PDF

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Publication number
KR100809010B1
KR100809010B1 KR1020060076105A KR20060076105A KR100809010B1 KR 100809010 B1 KR100809010 B1 KR 100809010B1 KR 1020060076105 A KR1020060076105 A KR 1020060076105A KR 20060076105 A KR20060076105 A KR 20060076105A KR 100809010 B1 KR100809010 B1 KR 100809010B1
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South Korea
Prior art keywords
voltage cable
ground
high voltage
tube
waterproof
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KR1020060076105A
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Korean (ko)
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KR20080014416A (en
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박성기
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경신공업 주식회사
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/028—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients with screen grounding means, e.g. drain wires
    • 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable

Abstract

본 발명은 고전압 케이블에 접지를 위해 구비된 접지관 둘레에 방수부재 또는 방수층을 형성하여 틈새로 물기의 유입을 차단하고자 하는 고전압 케이블에 관한 것이다.The present invention relates to a high-voltage cable to form a waterproof member or waterproof layer around the ground pipe provided for grounding the high-voltage cable to block the inflow of water into the gap.

고전압 케이블, 노이즈, 실드선   High voltage cable, noise, shielded wire

Description

고전압 케이블{a high-voltage cable}High voltage cable

도 1은 종래 고전압 케이블의 접지를 위한 분해 사시도.1 is an exploded perspective view for grounding a conventional high voltage cable.

도 2는 본 발명의 제 1실시예에 따른 고전압 케이블의 접지를 위한 분해 사시도.2 is an exploded perspective view for grounding a high voltage cable according to a first embodiment of the present invention;

도 3은 본 발명의 제 1실시예에 따른 고전압 케이블의 단면도.3 is a cross-sectional view of a high voltage cable according to a first embodiment of the present invention.

도 4는 본 발명의 제 2실시예에 따른 고전압 케이블의 단면도.4 is a cross-sectional view of a high voltage cable according to a second embodiment of the present invention.

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

1,100: 고전압 케이블 10: 심선1,100: high voltage cable 10: core

50: 접지관 110: 방수부재50: grounding tube 110: waterproof member

112,122: 탭 130: 방수층112, 122: tab 130: waterproof layer

본 발명은 고전압 케이블에 관한 것으로, 보다 상세하게는 고전압 케이블에 접지를 위해 구비된 접지관 둘레에 방수부재 또는 방수층을 형성하여 틈새로 물기의 유입을 차단하고자 하는 고전압 케이블에 관한 것이다.The present invention relates to a high-voltage cable, and more particularly to a high-voltage cable to form a waterproof member or a waterproof layer around the ground tube provided for grounding the high-voltage cable to block the inflow of water into the gap.

일반적으로, 하이브리드카는 대략 20,000V의 고전압을 발생시키는 바, 고전압 케이블로 전원 및 신호를 전달한다.In general, a hybrid car generates a high voltage of approximately 20,000 V, which transmits power and signals to a high voltage cable.

도 1에 도시된 바와 같이, 종래 고전압 케이블(1)은 도전체인 심선(10)과, 이 심선(10)에 피복되는 절연체(20)와, 절연체(20) 외부에 피복되는 외피(30)로 구성된다. As shown in FIG. 1, the conventional high voltage cable 1 includes a core wire 10, which is a conductor, an insulator 20 covered by the core wire 10, and an outer shell 30 coated on the outside of the insulator 20. It is composed.

여기서, 상기 심선(10)은 탄소섬유, 유리섬유(glass fiber), 또는 아라미드섬유(aramid fiber)로 이루어진 내부도체(12)와, 이 내부도체(12) 외주면에 도전성 카본이 포함된 수지재를 압출 성형한 외부도체(14)로 구성된다. Here, the core wire 10 is an inner conductor 12 made of carbon fiber, glass fiber, or aramid fiber, and a resin material containing conductive carbon on the outer circumferential surface of the inner conductor 12. It consists of the extruded outer conductor 14.

그리고, 경우에 따라 고주파 노이즈를 확실하게 제거하기 위해, 외부도체(14) 표면에 흑연을 코팅하여 도전성 피막층(16)을 형성할 수 있으며, 절연체(20)와 외피(30) 사이에는 실드선(22)이 개재된다.In some cases, in order to reliably remove the high frequency noise, graphite may be coated on the surface of the outer conductor 14 to form the conductive coating layer 16, and a shield line may be formed between the insulator 20 and the shell 30. 22) is intervened.

특히, 상기 고전압 케이블(1)은 실드선(22)을 접지(ground)시키기 위해 도체인 접지관(50)을 실드선(22)의 끝단부와 접촉시키도록 삽입한다.In particular, the high voltage cable 1 inserts a conductor grounding tube 50 into contact with an end of the shield wire 22 to ground the shield wire 22.

즉, 상기 고전압 케이블(1)은 끝단부에서 내부도체(12), 피막층(16), 절연체(20), 실드선(22) 및 외피(30)를 계단 형상으로 피복한다.That is, the high voltage cable 1 covers the inner conductor 12, the coating layer 16, the insulator 20, the shield wire 22 and the outer shell 30 in a stepped shape at the ends thereof.

그리고, 상기 접지관(50)은 실드선(22)의 둘레와 접하도록 삽입된다.In addition, the ground pipe 50 is inserted into contact with the circumference of the shield wire 22.

이때, 상기 접지관(50)의 끝단부와 외피(30) 사이에는 원형이며 부도체인 링관(60)이 삽입된다.At this time, a circular and non-conductive ring tube 60 is inserted between the end portion of the ground tube 50 and the outer shell 30.

그리고 나서, 상기 접지관(50)과 링관(60) 및 외피(30)를 압착함으로써 밀봉하고 접지관(50)의 이탈을 방지한다. Then, the ground tube 50, the ring tube 60 and the outer shell 30 is compressed by pressing to prevent separation of the ground tube 50.

또한, 상기 접지관(50)에는 접지핀(52)이 끼워져 그라운드된다.In addition, a ground pin 52 is inserted into the ground pipe 50 to ground.

그러나, 종래 고전압 케이블은 접지관과 외피 사이의 틈새 발생으로 인해 외부 물기가 유입됨에 따라 쇼트를 발생하게 되는 문제점이 있었다.However, the conventional high voltage cable has a problem in that a short occurs as the external water is introduced due to a gap between the ground pipe and the shell.

본 발명은 상기한 종래 기술의 문제점을 해결하고자 제안된 것으로서, 고전압 케이블의 접지관 양측 가장자리 및 둘레에 우레탄수지로 성형된 방수부재 또는 우레탄수지 용액을 도포하여 경화함으로써 접지관에 의해 발생되는 틈새를 막고자 하는 고전압 케이블을 제공함을 그 목적으로 한다.The present invention is proposed to solve the above problems of the prior art, by applying a urethane resin waterproof member or a urethane resin solution on both edges and circumference of the grounding tube of the high-voltage cable by curing the gap generated by the grounding tube It is an object of the present invention to provide a high voltage cable to be blocked.

상기한 목적을 달성하기 위한 본 발명은 노이즈 발생을 방지하기 위해 외피 둘레면에 피복된 실드선에 접지관을 접촉하여 접지하도록 형성된 고전압 케이블에 있어서, 상기 접지관 둘레면 일부와 동시에 상기 외피 둘레면 일부에는 상기 외피와 상기 접지관 사이의 틈새를 방수처리 하기 위해 방수부재가 삽입되는 것을 특징으로 하는 고전압 케이블을 제안하려는 것이다.In order to achieve the above object, the present invention provides a high voltage cable formed by contacting a grounding pipe with a shielded wire coated on the outer surface of the outer shell to prevent noise from occurring. Some intend to propose a high voltage cable, characterized in that the waterproof member is inserted to waterproof the gap between the jacket and the ground tube.

본 발명은 상기 방수부재는 원형관 형상으로 사출 성형된 우레탄수지인 것을 특징으로 하는 고전압 케이블을 제안하려는 것이다.The present invention is to propose a high-voltage cable, characterized in that the waterproof member is a urethane resin injection molded into a circular tube shape.

본 발명은 노이즈 발생을 방지하기 위해 외피 둘레면에 피복된 실드선에 접지관을 접촉하여 접지하도록 형성된 고전압 케이블에 있어서, 상기 접지관 둘레면 일부와 동시에 상기 외피 둘레면 일부에는 상기 외피와 상기 접지관 사이의 틈새를 방수처리 하기 위해 우레탄수지를 도포 후 경화한 방수층이 형성되는 것을 특징으로 하는 고전압 케이블을 제안하려는 것이다.The present invention provides a high-voltage cable formed so as to contact the grounding tube in contact with the grounding tube on the shield wire coated on the outer periphery of the outer shell to prevent noise generation. In order to waterproof the gaps between the pipes is to propose a high-voltage cable characterized in that the water-resistant layer is formed after coating the urethane resin.

이하, 본 발명의 실시예들을 첨부한 도면을 참조하여 더욱 상세히 설명한다. Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

도 2는 본 발명의 제 1실시예에 따른 고전압 케이블의 접지를 위한 분해 사시도이고, 도 3은 본 발명의 제 1실시예에 따른 고전압 케이블의 단면도이다.2 is an exploded perspective view for grounding a high voltage cable according to a first embodiment of the present invention, and FIG. 3 is a cross-sectional view of the high voltage cable according to the first embodiment of the present invention.

그리고, 도 4는 본 발명의 제 2실시예에 따른 고전압 케이블의 단면도이다.4 is a cross-sectional view of a high voltage cable according to a second embodiment of the present invention.

도 2 및 도 3에 도시된 바와 같이, 본 발명의 제 1실시예에 따른 고전압 케이블(100)은 심선(10), 절연체(20), 외피(30)로 구성된다.2 and 3, the high voltage cable 100 according to the first embodiment of the present invention is composed of a core wire 10, an insulator 20, and an outer shell 30.

또한, 상기 절연체(20)는 심선(10)을 절연시키는 역할을 하는 것으로서, 비전도성 고무 재질로 형성된다.In addition, the insulator 20 serves to insulate the core wire 10 and is formed of a non-conductive rubber material.

상기 절연체(20)의 표면에는 실드선(22)과 외피(30)가 순서대로 층을 이루며 형성된다.On the surface of the insulator 20, the shield wire 22 and the outer shell 30 are sequentially formed in layers.

이때, 상기 실드선(22)은 접지관(150)을 끼우고, 이 접지관(150)의 둘레에는 접지핀(50)이 삽입됨에 따라 실드선(22)을 접지(ground) 시킨다.At this time, the shield wire 22 is fitted to the ground pipe 150, and the ground wire (50) is inserted around the ground pipe 150 to ground the shield wire 22 (ground).

즉, 상기 심선(10), 절연체(20), 실드선(22) 및 외피(30)는 계단 형상으로 피복되고, 접지관(150)은 심선(10)이 노출된 끝단에서 삽입된다.That is, the core wire 10, the insulator 20, the shield wire 22, and the outer shell 30 are covered in a step shape, and the ground pipe 150 is inserted at the end where the core wire 10 is exposed.

그래서, 상기 접지관(150)은 내측면을 실드선(22)과 접촉하게 된다.Thus, the ground pipe 150 is in contact with the shield wire 22 the inner surface.

특히, 상기 접지관(150)은 실드선(22)과 접촉한 상태에서 흔들리거나 외부로 이탈될 수 있기 때문에 링관(도시하지 않음)을 삽입 할 수 있다.In particular, the ground pipe 150 may be inserted into the ring pipe (not shown) because it can be shaken or detached from the outside in contact with the shield wire (22).

한편, 상기 고전압 케이블(100)은 실드선(22)에 삽입된 접지관(150)에 의해 틈새를 발생하게 되고, 이 틈새로 외부의 물기가 유입되면서 쇼트를 발생하게 된다.On the other hand, the high voltage cable 100 generates a gap by the ground pipe 150 inserted into the shield wire 22, the external water is introduced into the gap to generate a short.

그래서, 상기 고전압 케이블(100)은 접지관(150)과 외피(30)의 둘레면을 커버링하도록 방수부재(110)를 끼운다.Thus, the high voltage cable 100 is fitted with a waterproof member 110 to cover the circumferential surface of the ground tube 150 and the shell (30).

특히, 상기 방수부재(110)는 외피(30) 일부와 접지관(150) 일부를 동시에 커버링함으로써 접지관(150)과 외피(30) 사이로 물기가 유입되는 것을 방지한다.
여기서, 상기 방수부재(110)는 브라켓(도시하지 않음)에 결합되는 접지핀(154)의 돌출 부위를 수용하도록 일측 테두리를 절개한다.In particular, the waterproof member 110 prevents water from flowing between the ground tube 150 and the shell 30 by simultaneously covering a portion of the shell 30 and a portion of the ground tube 150.
Here, the waterproof member 110 cuts one side edge to accommodate the projecting portion of the ground pin 154 coupled to the bracket (not shown).

그리고, 상기 접지관(150)은 금속 재질로 이루어지고, 접지핀(154)을 삽입한다.In addition, the ground pipe 150 is made of a metal material, and the ground pin 154 is inserted.

그래서, 상기 실드선(22)은 접지관(150)과 접하고, 이 접지관(150)은 접지핀(154)과 연결된 상태에서 접지핀(154)이 접지된다.Thus, the shield wire 22 is in contact with the ground pipe 150, the ground pin 150 is grounded in the state connected to the ground pin 154.

여기서, 상기 방수부재(110)는 원형 링 형상으로 우레탄수지로 성형된다.Here, the waterproof member 110 is formed of a urethane resin in a circular ring shape.

이때, 우레탄 수지는 신축성이 있으며, 방수력이 우수한 합성수지재이다.At this time, the urethane resin is a synthetic resin material having elasticity and excellent waterproofing.

또한, 상기 접지관(150)은 둘레면 일가장자리 또는 양측 가장자리에 탭(152)을 형성하고, 상기 방수부재(110)는 내측면 일가장자리 또는 양측 가장자리에 탭(112)을 형성한다.In addition, the ground pipe 150 forms a tab 152 at one edge or both edges of the circumferential surface, and the waterproof member 110 forms a tab 112 at one edge or both edges of the inner surface.

그래서, 상기 탭(112,152)이 서로 치합됨에 따라 방수부재(110)와 접지관(150)은 결합됨으로써 쉽게 별도로 분리되지 않는다.Thus, as the tabs 112 and 152 are engaged with each other, the waterproof member 110 and the ground pipe 150 are coupled to each other so that they are not easily separated.

이때, 상기 접지핀(152)은 고전압 케이블(100)에 씌워지는 접지관(150)에 삽 입되어 접지시키는 역할을 한다.At this time, the ground pin 152 is inserted into the ground pipe 150 is covered on the high voltage cable 100 serves to ground.

따라서, 상기 방수부재(110)는 접지관(150)의 일부를 노출시켜 접지핀(152)과 접지관(150)을 접촉할 수 있도록 한다.Therefore, the waterproof member 110 exposes a part of the ground pipe 150 to allow the ground pin 152 to contact the ground pipe 150.

한편, 도 4에 도시된 바와 같이, 상기 접지관(150)을 포함한 고전압 케이블(100)의 일부는 외측에 방수층(130)을 도포한다.On the other hand, as shown in Figure 4, a portion of the high voltage cable 100 including the ground pipe 150 is coated with a waterproof layer 130 on the outside.

상기 방수층(130)은 용액 상태의 우레탄수지를 고전압 케이블(100)의 둘레에 도포한 후 경화되어 형성되는 층을 말한다.The waterproof layer 130 refers to a layer formed by curing a urethane resin in a solution state around the high voltage cable 100.

이때, 상기 고전압 케이블(100)의 실드선(22) 둘레에는 접지관(150)이 씌워지고, 이 접지관(150)에는 접지핀(154)이 삽입된 상태에서 고전압 케이블(100)의 둘레에 방수용액을 도포하여 방수층(130)을 형성한다.At this time, a ground pipe 150 is covered around the shield wire 22 of the high voltage cable 100, and a ground pin 150 is inserted into the ground pipe 150 around the high voltage cable 100. The waterproof solution is applied to form a waterproof layer 130.

그래서, 상기 방수층(130)이 외피(30)의 일부 및 접지관(150) 일부 둘레면에 동시에 형성됨에 따라 상기 접지관(150)과 외피(30) 및 상기 접지관(150)과 실드선(22) 사이의 틈새 발생이 방지되어 방수처리된다.Thus, as the waterproof layer 130 is formed on a part of the outer shell 30 and a part of the ground tube 150 at the same time, the ground tube 150 and the outer shell 30 and the ground tube 150 and the shield wire ( 22) The gap between them is prevented and waterproof.

미설명된 도면부호는 상술한 것으로 대체한다.Unexplained reference numerals are replaced with those described above.

상기한 바와 같이 본 발명에 따른 고전압 케이블에 의하면, 고전압 케이블에 삽입된 접지관의 둘레와 이에 인접한 고전압 케이블에 우레탄수지로 성형된 방수부재 또는 우레탄수지를 도포 후 경화함으로써 접지관 내부로 외부의 물기가 유입되는 것을 방지할 수 있는 효과가 있다.According to the high voltage cable according to the present invention as described above, the external moisture into the ground tube by curing after applying the urethane resin waterproof member or urethane resin to the periphery of the ground tube inserted into the high voltage cable and the high voltage cable adjacent thereto There is an effect that can prevent the inflow.

Claims (4)

노이즈 발생을 방지하기 위해 외피 둘레면에 피복된 실드선에 접지관을 접촉하여 접지하도록 형성된 고전압 케이블에 있어서,In the high voltage cable formed so as to contact the ground tube in contact with the ground wire shielded on the outer circumference of the shield to prevent the occurrence of noise, 상기 접지관 둘레면 일부와 동시에 상기 외피 둘레면 일부에는 상기 외피와 상기 접지관 사이의 틈새를 방수처리 하기 위해 방수부재가 삽입되고,At the same time as part of the circumferential surface of the ground tube, a part of the outer circumference of the outer shell is inserted into the waterproof member to waterproof the gap between the outer shell and the ground tube. 상기 방수부재와 접지관은 상호 접합면을 결합하기 위해 각각 탭을 형성하는 것을 특징으로 하는 고전압 케이블.The waterproof member and the ground pipe is a high voltage cable, characterized in that each tab to form a bonding surface. 제 1항에 있어서,The method of claim 1, 상기 방수부재는 원형관 형상으로 사출 성형된 우레탄수지인 것을 특징으로 하는 고전압 케이블.The waterproof member is a high voltage cable, characterized in that the urethane resin injection molded in the shape of a circular tube. 삭제delete 삭제delete
KR1020060076105A 2006-08-11 2006-08-11 a high-voltage cable KR100809010B1 (en)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
KR910010539A (en) * 1989-11-29 1991-06-29 에드워드 더블유.소머즈 Waterproof cable part and manufacturing method
JP2003009373A (en) 2001-06-15 2003-01-10 Aoyagi:Kk Waterproof protective case for connecting portion of wire
WO2004003940A1 (en) 2002-06-28 2004-01-08 Pirelli & C. S.P.A. Impact resistant compact cable
KR200411830Y1 (en) 2005-12-30 2006-03-17 경신공업 주식회사 a high-voltage cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910010539A (en) * 1989-11-29 1991-06-29 에드워드 더블유.소머즈 Waterproof cable part and manufacturing method
KR100201512B1 (en) 1989-11-29 1999-06-15 죤 제이.키세인 Water blocked cable portion and method of making same
JP2003009373A (en) 2001-06-15 2003-01-10 Aoyagi:Kk Waterproof protective case for connecting portion of wire
WO2004003940A1 (en) 2002-06-28 2004-01-08 Pirelli & C. S.P.A. Impact resistant compact cable
KR200411830Y1 (en) 2005-12-30 2006-03-17 경신공업 주식회사 a high-voltage cable

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