KR20040037766A - Corrugated tube for shielding an electromagnetic wave - Google Patents

Corrugated tube for shielding an electromagnetic wave Download PDF

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Publication number
KR20040037766A
KR20040037766A KR1020020066393A KR20020066393A KR20040037766A KR 20040037766 A KR20040037766 A KR 20040037766A KR 1020020066393 A KR1020020066393 A KR 1020020066393A KR 20020066393 A KR20020066393 A KR 20020066393A KR 20040037766 A KR20040037766 A KR 20040037766A
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KR
South Korea
Prior art keywords
shielding
corrugated tube
shielding layer
insulating layer
layer
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KR1020020066393A
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Korean (ko)
Inventor
이종욱
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기아자동차주식회사
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Priority to KR1020020066393A priority Critical patent/KR20040037766A/en
Publication of KR20040037766A publication Critical patent/KR20040037766A/en

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Details Of Indoor Wiring (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

PURPOSE: A corrugated tube for shielding electromagnetic wave is provided to protect an insulation wire and shield external electromagnetic wave by providing a clip for grounding. CONSTITUTION: A corrugated tube(100) for shielding electromagnetic wave comprises a shielding layer(110), a first insulating layer(120), a second insulating layer(130), and a clip(140) for grounding. The shielding layer is made of a conduction material and accommodates a plurality of bundle of wires. The first insulating layer insulates electrically the shielding layer. The second insulating layer is disposed at the outer of the first insulating layer. The first and the second insulating layers include a cutting portion along the outer circumference in order to expose a part of the shielding layer. The clip for grounding is connected electrically to the shielding layer exposed through the cutting portion.

Description

전자기파 쉴드용 파형튜브{Corrugated tube for shielding an electromagnetic wave}Corrugated tube for shielding an electromagnetic wave

본 발명은 전자기파 쉴드용 파형튜브에 관한 것으로, 특히 차체에 구비되는 전선들을 전기적으로 절연하며, 또한 전자기파 간섭으로부터 보호하기 위한 전자기파 차단 기능을 갖는 전자기파 쉴드용 파형튜브에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corrugated tube for electromagnetic shields, and more particularly, to an electromagnetic shield corrugated tube having an electromagnetic wave shielding function for electrically insulating electric wires provided in a vehicle body and protecting it from electromagnetic interference.

일반적으로 자동차의 전기 전자 부품을 전기적으로 접속하여 기능화시키는 와이어 하니스는 각각의 전기 회로를 구성하는 전선의 다발로서, 전기 신호나 전력을 전송하는 회로의 접속 신뢰성, 요구 전압 또는 전류의 공급, 인접 회로의 전자기적인 리크 방지, 전기 쇼트 배제 등의 기능이 요구된다. 동시에, 복잡한 와이어 하니스를 자동차에 설치할 때 작업의 용이성과 설치 신뢰성의 확보는 전기적 성능과 마찬가지로 중요한 문제가 된다.In general, a wire harness that electrically connects and functionalizes electric and electronic parts of a vehicle is a bundle of electric wires constituting each electric circuit, and is a connection reliability of a circuit for transmitting an electric signal or electric power, supply of a required voltage or current, and an adjacent circuit. Functions such as electromagnetic leakage prevention and electrical short rejection are required. At the same time, the ease of work and the reliability of installation when installing a complex wire harness on a vehicle are just as important as the electrical performance.

이와 같이 차량에 구비되는 와이어 하니스는 전선다발 전체를 일정하게 에워싸서 차체에 고정하며, 주위의 부품에 의해 간섭되거나 전선의 절연체가 손상되는 것을 보호하기 위하여 파형튜브를 사용한다.As such, the wire harness provided in the vehicle constantly surrounds the entire bundle of wires and fixes them to the vehicle body, and uses a corrugated tube to protect the wires from being interfered with by surrounding components or damaging the insulation of the wires.

파형튜브는 전기적인 절연이 가능한 재질을 사용하며, 차체에 고정이 용이하도록 외주 면에 주름이 형성되어 플렉시블(flexible)한 특징을 갖는다.The corrugated tube uses a material that can be electrically insulated, and has a feature of being flexible because wrinkles are formed on the outer circumferential surface to facilitate fixing to the vehicle body.

자동차에 구비되는 와이어 하니스의 종류는 다양하며, 특히 에어백이나 ABS 시스템과 관련된 전장품에 사용되는 전선은 상술한 바와 같은 파형튜브 이외에도전자기파를 차폐할 수 있는 쉴드선이 구비된다.There are various types of wire harnesses provided in automobiles. In particular, the electric wires used in the electronic devices related to airbags or ABS systems are provided with shield wires for shielding electromagnetic waves in addition to the corrugated tubes described above.

즉, 상술한 바와 같은 파형튜브는 외부의 전자기파를 차폐하지 못하므로 외부의 전자기파로부터 민감한 전장품과 관련된 전선들은 쉴드선이 구비된 파형튜브에 의해 보호된다.That is, since the wave tube as described above does not shield the external electromagnetic waves, the wires associated with the sensitive electrical equipment from the external electromagnetic waves are protected by the wave tube provided with the shield wire.

도 1 및 도 2는 종래의 파형튜브를 보여주는 도면으로, 도 1은 종래의 접지선이 구비된 파형튜브의 접지 구조를 보여주는 도면이며, 도 2는 도 1의 A-A' 선의 단면도이다.1 and 2 are views showing a conventional corrugated tube, Figure 1 is a view showing a grounding structure of a conventional corrugated tube with a ground line, Figure 2 is a cross-sectional view of the line A-A 'of FIG.

도 1 및 도 2를 참고하면, 종래의 파형튜브(10)는 다수의 주름(11)이 형성되어 플렉시블(flexible)한 절연체로 구성되며, 이 파형튜브(10) 내에는 외부의 전자기파를 차폐하기 위한 쉴드선(20)이 삽입된다.1 and 2, the conventional corrugated tube 10 is formed of a flexible insulator having a plurality of corrugations 11 formed therein, and shielding external electromagnetic waves in the corrugated tube 10. The shield wire 20 is inserted.

쉴드선(20)은 동선과 같은 도전성 재질의 와이어를 망상으로 직조한 차폐층(21)과; 이 차폐층(21)을 전기적으로 절연하기 위한 절연층(22)으로 구성된다.The shield wire 20 includes a shielding layer 21 in which a wire of conductive material such as copper wire is woven into a mesh; It consists of an insulating layer 22 for electrically insulating this shielding layer 21.

이와 같이 다수의 절연 전선(1)을 쉴드선(20)이 구비된 파형튜브(10) 내에 삽입하여 파형튜브(10)를 차체에 고정함으로써, 절연 전선(1)을 외부의 전자기파로부터 차폐하게 된다.In this way, a plurality of insulated wires 1 are inserted into the corrugated tube 10 provided with the shield wire 20 to fix the corrugated tube 10 to the vehicle body, thereby shielding the insulated wire 1 from external electromagnetic waves.

그러나, 이와 같은 종래의 쉴드선이 구비된 파형튜브는 내측에 구비되는 절연 전선을 외부의 전자기파로부터 차폐하기 위해서는 쉴드선의 차폐층(21)을 차체와 전기적으로 통전되도록 하여 접지가 이루어져야만 한다.However, in order to shield the insulated wire provided inside from the electromagnetic waves from the outside, the corrugated tube having the conventional shield wire should be grounded so that the shield layer 21 of the shield wire is electrically energized with the vehicle body.

종래에는 쉴드선의 차폐층(21)을 접지하기 쉴드선(20)의 끝단 부분에서 차폐층(21)을 한쪽으로 모아 링단자(30)에 고정한 후에 링단자(30)를 미도시된 차체 패널에 볼트 체결하여 차폐층을 차체에 접지한다.Conventionally, to ground the shielding layer 21 of the shield wire, the shielding layer 21 is collected at one end portion of the shield wire 20 and fixed to the ring terminal 30, and then the ring terminal 30 is bolted to the vehicle body panel (not shown). Ground the shielding layer to the body.

그러나, 이와 같이 링단자를 이용하여 쉴드선을 접지하는 경우에는 차폐층(21)을 한쪽으로 모아서 링단자(30)에 고정하는 과정에서 파형튜브(10)가 벌어지면서 소손될 수가 있으며, 또한 차폐층과 링단자의 고정 작업이 지난하여 작업 효율을 저하시키는 문제점이 발생한다.However, when the shield wire is grounded using the ring terminal as described above, the corrugated tube 10 may be damaged while the shielding layer 21 is collected on one side and fixed to the ring terminal 30, and the shielding layer may be burned. Since the fixing work of the and the ring terminal has passed, there is a problem of reducing the work efficiency.

본 발명은 상기의 결점을 해소하기 위한 것으로, 종래의 파형튜브에 있어, 외부의 전자기파를 차폐할 수 있으며, 또한 전자기파 차폐를 위한 접지가 용이한 파형튜브를 제공하고자 한다.The present invention is to solve the above-described drawbacks, in the conventional corrugated tube, it is possible to shield the electromagnetic wave of the outside, and to provide an easy-to-ground corrugated tube for shielding the electromagnetic wave.

도 1은 종래의 쉴드선이 구비된 파형튜브의 접지 구조를 보여주는 도면,1 is a view showing the grounding structure of a corrugated tube with a conventional shield wire,

도 2는 도 1의 A-A' 선의 단면도,2 is a cross-sectional view taken along line AA ′ of FIG. 1;

도 3은 본 발명의 전자기파 쉴드용 파형튜브를 보여주는 도면,3 is a view showing a wave tube for an electromagnetic shield of the present invention,

도 4는 본 발명의 전자기파 쉴드용 파형튜브의 접지구조를 보여주는 단면도.Figure 4 is a cross-sectional view showing the grounding structure of the wave tube for electromagnetic shield of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

100 : 파형튜브110 : 차폐층100: corrugated tube 110: shielding layer

120 : 제1절연층121 : 제1절개부120: first insulating layer 121: first cutout

130 : 제2절연층131 : 제2절개부130: second insulating layer 131: second incision

140 : 접지용 클립140: grounding clip

이러한 본 발명의 전자기파 쉴드용 파형튜브는 다수의 전선 다발을 수용하는 도전성 재질의 차폐층과; 상기 차폐층을 전기적으로 절연하기 위한 제1절연층과; 상기 제1절연층의 외측에 위치하며, 다수의 주름이 형성되어 플렉시블한 제2절연층으로 구성되되, 상기 제1절연층 및 상기 제2절연층에는 외주 면을 따라 상기 차폐층이 일부 노출되도록 절개부가 형성되며, 상기 절개부를 통해 노출된 상기 차폐층과 통전되도록 도전성의 접지용 클립이 체결됨으로서 달성된다.The electromagnetic wave shield corrugated tube of the present invention includes a shielding layer of a conductive material for receiving a plurality of wire bundles; A first insulating layer for electrically insulating the shielding layer; Located on the outside of the first insulating layer, a plurality of wrinkles are formed to be composed of a flexible second insulating layer, wherein the shielding layer is partially exposed along the outer peripheral surface of the first insulating layer and the second insulating layer. An incision is formed and is achieved by fastening a conductive grounding clip to energize the shielding layer exposed through the incision.

본 발명의 실시 예를 첨부 도면을 참고하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 3 및 도 4는 본 발명의 전자기파 쉴드용 파형튜브에 관한 것으로, 도 3은 본 발명의 전자기파 쉴드용 파형튜브를 보여주는 도면이며, 도 4는 접지용 클립이 체결된 도 3의 B-B' 선의 단면을 보여주는 도면이다.3 and 4 are related to the wave shield tube for electromagnetic shield of the present invention, Figure 3 is a view showing a wave tube for electromagnetic shield of the present invention, Figure 4 is a cross-sectional view of the line BB 'of Figure 3 fastening the grounding clip The figure showing.

본 발명의 전자기파 쉴드용 파형튜브(100)는 다수의 전선 다발을 수용하는 도전성 재질의 차폐층(110)과; 상기 차폐층(110)을 전기적으로 절연하기 위한 제1절연층(120)과; 상기 제1절연층의 외측에 위치하며, 다수의 주름(131)이 형성되어 플렉시블한 제2절연층(130)으로 구성된다.The electromagnetic wave shield corrugated tube 100 of the present invention includes a shielding layer 110 of a conductive material for receiving a plurality of wire bundles; A first insulating layer (120) for electrically insulating the shielding layer (110); Located on the outer side of the first insulating layer, a plurality of wrinkles 131 is formed to constitute a flexible second insulating layer 130.

특히, 본 발명에 있어, 상기 제1절연층(120) 및 상기 제2절연층(130)에는 외주 면을 따라 상기 차폐층(110)이 일부 노출되도록 절개부(121)(131)가 형성되며, 상기 절개부(121)(131)를 통해 노출된 상기 차폐층(110)과 통전되도록 도전성의 접지용 클립(140)이 체결되는 것을 기술상의 특징으로 한다.Particularly, in the present invention, the first insulating layer 120 and the second insulating layer 130 are formed with cutouts 121 and 131 so that the shielding layer 110 is partially exposed along the outer circumferential surface thereof. The conductive grounding clip 140 is fastened so that the shielding layer 110 is energized through the cutouts 121 and 131.

제2절연층(130)은 다수의 주름(132)이 형성되어 플렉시블(flexible)한 절연체에 의해 제공될 수가 있으며, 내부의 절연 전선(1)을 보호하게 된다.The second insulating layer 130 may be provided by a flexible insulator in which a plurality of wrinkles 132 are formed, and protects the insulated wire 1 inside.

차폐층(110)은 전계 또는 자계의 영향을 차단하기 위한 것으로, 구리 또는 알루미늄 등의 도전성 재료, 또는 철 등의 자성재료가 이용될 수가 있다. 특히, 차폐층(110)은 이와 같은 도전성 또는 자성을 갖는 튜브 형상의 얇은 호일(foil)에 의해 제공될 수도 있으며, 바람직하게는 도전성 와이어로 편조된 망상으로 구성되어 파형튜브(100)에 휨이 발생하더라도 차폐층(110)이 소손되는 것을 방지할 수가 있다.The shielding layer 110 is for blocking the influence of an electric field or a magnetic field, and a conductive material such as copper or aluminum, or a magnetic material such as iron may be used. In particular, the shielding layer 110 may be provided by a tube-like thin foil (foil) having such conductivity or magnetism, and is preferably composed of a network braided by conductive wires to prevent warpage in the corrugated tube 100. Even if it occurs, the shielding layer 110 can be prevented from being burned out.

차폐층(110)의 상하측 면에는 차폐층(110)을 전기적으로 절연하기 위한 제1절연층(120)이 구비된다.Upper and lower surfaces of the shielding layer 110 are provided with a first insulating layer 120 for electrically insulating the shielding layer 110.

접지용 클립(140)은 도전성 재질로 이루어지며, 파형튜브(100)의 차폐층(110)이 노출된 위치에 체결되어 차폐층(110)과 통전되도록 체결된다. 접지용 클립(140)에는 고정홈(141)이 형성되어 차체 패널에 견고히 고정된다.The grounding clip 140 is made of a conductive material and is fastened to a position where the shielding layer 110 of the corrugated tube 100 is exposed to be energized with the shielding layer 110. A fixing groove 141 is formed in the grounding clip 140 and is firmly fixed to the vehicle body panel.

이와 같이 구성된 본 발명의 전자기파 쉴드용 파형튜브는 파형튜브(100) 내에 다수의 절연 전선(1)이 구비되며, 차폐층(110)이 일부 노출된 파형튜브(100)의 위치에 접지용 클립(140)을 체결한 후에 접지용 클립(140)에 형성된 고정홈(141)과 차체 패널(2)을 볼트(3) 체결하여 고정한다.The electromagnetic wave shield corrugated tube of the present invention configured as described above includes a plurality of insulated wires 1 in the corrugated tube 100, and a grounding clip () at the position of the corrugated tube 100 partially exposed by the shielding layer 110. After fastening the 140, the fastening groove 141 and the vehicle panel 2 formed in the grounding clip 140 are fastened by fastening the bolts 3.

본 발명의 파형튜브에 있어, 차폐층이 일부 노출되도록 제1절연층 및 제2절연층에 구비된 절개부는 파형튜브의 길이에 따라 하나 또는 다수개가 형성되어 파형튜브에 하나 또는 다수개의 접지용 클립이 체결될 수가 있다.In the corrugated tube of the present invention, one or a plurality of cutouts provided in the first insulating layer and the second insulating layer are partially formed according to the length of the corrugated tube so that the shielding layer is partially exposed. This can be tightened.

이상과 같은 본 발명의 전자기파 쉴드용 파형튜브는 절연 전선을 보호함과 동시에 차폐층을 절연하기 위한 피복부재의 일부를 절개하여 차폐층이 외부로 노출되도록 하며, 이 노출된 차폐층에 체결 고정되는 접지용 클립을 구비함으로써, 절연 전선을 외부의 전자기파로부터 차폐할 수가 있으며, 특히 자동차의 에어백이나 ABS시스템과 관련된 전장품에 사용되는 와이어와 같이 전자기파에 민감한 와이어 배선에 사용 시에 접지 구조가 단순하므로 조립성을 높일 수가 있으며, 작업 효율을 높일 수가 있는 효과가 있는 발명인 것이다.The electromagnetic wave shield corrugated tube of the present invention as described above cuts a part of the covering member for insulating the shielding layer while protecting the insulated wire so that the shielding layer is exposed to the outside and is fastened and fixed to the exposed shielding layer. By providing a clip for grounding, it is possible to shield the insulated wires from external electromagnetic waves. In particular, the grounding structure is simple when used for the wiring of electromagnetic sensitive wires such as those used in automotive airbags or electronic devices related to ABS systems. It is an invention with the effect which can improve a performance and can improve work efficiency.

Claims (2)

다수의 전선 다발을 수용하는 도전성 재질의 차폐층과;A shielding layer made of a conductive material to accommodate a plurality of wire bundles; 상기 차폐층을 전기적으로 절연하기 위한 제1절연층과;A first insulating layer for electrically insulating the shielding layer; 상기 제1절연층의 외측에 위치하며, 다수의 주름이 형성되어 플렉시블한 제2절연층으로 구성되되,Located on the outside of the first insulating layer, a plurality of wrinkles are formed to be composed of a flexible second insulating layer, 상기 제1절연층 및 상기 제2절연층에는 외주 면을 따라 상기 차폐층이 일부 노출되도록 절개부가 형성되며,A cutout is formed in the first insulating layer and the second insulating layer so that the shielding layer is partially exposed along an outer circumferential surface thereof. 상기 절개부를 통해 노출된 상기 차폐층과 통전되도록 도전성의 접지용 클립이 체결되는 것을 특징으로 하는 전자기파 쉴드용 파형튜브.Electromagnetic wave shield corrugated tube, characterized in that the conductive clip is fastened so as to conduct electricity to the shielding layer exposed through the cutout. 제1항에 있어서, 상기 차폐층은 도전성 와이어로 편조된 망상인 것을 특징으로 하는 전자기파 쉴드용 파형튜브.The corrugated tube for electromagnetic shielding according to claim 1, wherein the shielding layer is a network braided by a conductive wire.
KR1020020066393A 2002-10-30 2002-10-30 Corrugated tube for shielding an electromagnetic wave KR20040037766A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7539025B2 (en) 2004-10-04 2009-05-26 Samsung Electronics Co., Ltd Method of reducing electromagnetic interference and circuit connection device using the same
WO2011037407A3 (en) * 2009-09-25 2011-07-14 Korea Advanced Institute Of Science And Technology Discharge prevention cable
KR101654169B1 (en) * 2016-03-14 2016-09-06 주식회사 세진에너지 A EMI Hot Wire
KR20210050043A (en) * 2019-10-25 2021-05-07 주식회사 퓨처테크 Unshielded Twisted Pair cable for efficient burial

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06283054A (en) * 1993-03-29 1994-10-07 Aisin Aw Co Ltd Shield device for motor cable
JPH08340615A (en) * 1995-06-09 1996-12-24 Sumitomo Wiring Syst Ltd Ground connection structure of shield wire
JPH09135523A (en) * 1995-11-08 1997-05-20 Hitachi Cable Ltd Copper tape shielding layer grounding clamp for high-tension power cable
JP2000032645A (en) * 1998-07-14 2000-01-28 Yazaki Corp Terminal treatment member of high-voltage power cable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06283054A (en) * 1993-03-29 1994-10-07 Aisin Aw Co Ltd Shield device for motor cable
JPH08340615A (en) * 1995-06-09 1996-12-24 Sumitomo Wiring Syst Ltd Ground connection structure of shield wire
JPH09135523A (en) * 1995-11-08 1997-05-20 Hitachi Cable Ltd Copper tape shielding layer grounding clamp for high-tension power cable
JP2000032645A (en) * 1998-07-14 2000-01-28 Yazaki Corp Terminal treatment member of high-voltage power cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7539025B2 (en) 2004-10-04 2009-05-26 Samsung Electronics Co., Ltd Method of reducing electromagnetic interference and circuit connection device using the same
WO2011037407A3 (en) * 2009-09-25 2011-07-14 Korea Advanced Institute Of Science And Technology Discharge prevention cable
KR101654169B1 (en) * 2016-03-14 2016-09-06 주식회사 세진에너지 A EMI Hot Wire
KR20210050043A (en) * 2019-10-25 2021-05-07 주식회사 퓨처테크 Unshielded Twisted Pair cable for efficient burial

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