JPWO2021149787A5 - - Google Patents

Description

上記課題を解決するため本発明によれば、
導体を絶縁体で被覆した絶縁電線を複数本撚り合わせた通信ケーブルであって、
複数本の前記絶縁電線を被覆する押巻きと、
前記押巻きを被覆する遮蔽層とを備え、
前記絶縁電線の間には介在紐が介在され、
前記絶縁電線が１７．５ｍｍ以下のピッチで撚り合わされ、
複数本の前記絶縁電線が１ペアまたは複数ペアで構成され、
１ペアのペア線間における導体間距離をｄｃと、当該ペア線の導体と前記遮蔽層との間の最短距離をｄｓとした場合、ｄｃ／ｄｓ値が２以下であることを特徴とする通信ケーブル。 According to the present invention, in order to solve the above problems,
It is a communication cable made by twisting multiple insulated wires whose conductors are covered with an insulator.
A push-wound that covers a plurality of the insulated wires, and
It is provided with a shielding layer that covers the push winding, and is provided with a shielding layer.
An intervening string is interposed between the insulated wires.
The insulated wires are twisted together at a pitch of 17.5 mm or less.
A plurality of the insulated wires are composed of one pair or a plurality of pairs.
When the distance between conductors between one pair of wires is dc and the shortest distance between the conductor of the pair of wires and the shielding layer is ds, the dc / ds value is 2 or less. cable.

Claims (4)

導体を絶縁体で被覆した絶縁電線を複数本撚り合わせた通信ケーブルであって、
複数本の前記絶縁電線を被覆する押巻きと、
前記押巻きを被覆する遮蔽層とを備え、
前記絶縁電線の間には介在紐が介在され、
前記絶縁電線が１７．５ｍｍ以下のピッチで撚り合わされ、
複数本の前記絶縁電線が１ペアまたは複数ペアで構成され、
１ペアのペア線間における導体間距離をｄｃと、当該ペア線の導体と前記遮蔽層との間の最短距離をｄｓとした場合、ｄｃ／ｄｓ値が２以下であることを特徴とする通信ケーブル。 It is a communication cable made by twisting multiple insulated wires whose conductors are covered with an insulator.
A push-wound that covers a plurality of the insulated wires, and
It is provided with a shielding layer that covers the push winding, and is provided with a shielding layer.
An intervening string is interposed between the insulated wires.
The insulated wires are twisted together at a pitch of 17.5 mm or less.
A plurality of the insulated wires are composed of one pair or a plurality of pairs.
When the distance between conductors between one pair of wires is dc and the shortest distance between the conductor of the pair of wires and the shielding layer is ds, the dc / ds value is 2 or less. cable. 請求項１に記載の通信ケーブルにおいて、
前記絶縁電線が１４ｍｍ以下のピッチで撚り合わされていることを特徴とする通信ケーブル。 In the communication cable according to claim 1,
A communication cable characterized in that the insulated wires are twisted at a pitch of 14 mm or less. 請求項１または２に記載の通信ケーブルにおいて、
車載用途に使用されることを特徴とする通信ケーブル。 In the communication cable according to claim 1 or 2 .
A communication cable characterized by being used for in-vehicle applications. 導体を絶縁体で被覆し絶縁電線を形成する工程と、
介在紐を中心に配置した状態で、複数本の前記絶縁電線を１７．５ｍｍ以下のピッチで撚り合わせる工程と、
複数本の前記絶縁電線を押巻きで被覆する工程と、
前記押巻きを遮蔽層で被覆する工程とを備え、
複数本の前記絶縁電線を撚り合わせる工程では、複数本の前記絶縁電線を１ペアまたは複数ペアで構成し、
前記絶縁電線を形成する工程から前記遮蔽層で被覆する工程にかけて、１ペアのペア線間における導体間距離をｄｃと、当該ペア線の導体と前記遮蔽層との間の最短距離をｄｓとした場合、ｄｃ／ｄｓ値を２以下に設定することを特徴とする通信ケーブルの製造方法。 The process of covering the conductor with an insulator to form an insulated wire,
A process of twisting a plurality of the insulated wires at a pitch of 17.5 mm or less with the intervening string placed in the center.
The process of covering a plurality of the insulated wires with push-winding and
The step of covering the push winding with a shielding layer is provided.
In the process of twisting a plurality of the insulated wires, the plurality of the insulated wires are configured as one pair or a plurality of pairs.
From the step of forming the insulated wire to the step of covering with the shielding layer, the distance between conductors between one pair of wires was defined as dc, and the shortest distance between the conductor of the paired wires and the shielding layer was defined as ds. In this case, a method for manufacturing a communication cable, characterized in that the dc / ds value is set to 2 or less .