JP5347167B2 - Multi-pair LAN cable - Google Patents
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- JP5347167B2 JP5347167B2 JP2011064330A JP2011064330A JP5347167B2 JP 5347167 B2 JP5347167 B2 JP 5347167B2 JP 2011064330 A JP2011064330 A JP 2011064330A JP 2011064330 A JP2011064330 A JP 2011064330A JP 5347167 B2 JP5347167 B2 JP 5347167B2
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- 239000004033 plastic Substances 0.000 claims abstract description 36
- 229920003023 plastic Polymers 0.000 claims abstract description 36
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 46
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
Description
本発明は、カテゴリー６規格の性質を有した多対ＬＡＮケーブルに関する。 The present invention relates to a many-to-LAN cable having the properties of a category 6 standard.
近年のイーサネット（登録商標）の高速・高性能化、及びインターネットの普及に伴い、ＬＡＮケーブルの配線数が増えており、ケーブルの多対化・高密度化が要求されている。 With the recent high speed and high performance of Ethernet (registered trademark) and the spread of the Internet, the number of LAN cables is increasing, and there is a demand for multi-pairing and high density of cables.
同一箇所に配線が多い場合、従来のケーブルでは、図４に示すような４対や図５に示すような２４対ケーブルを複数本並べて配線を行っていた。 When there are many wirings in the same place, in the conventional cable, wiring is performed by arranging a plurality of four pairs of cables as shown in FIG. 4 and four pairs of cables as shown in FIG.
しかしながら、従来のような配線方法では、ケーブル布設を繰り返し行うため施工時間が長くなり、また、それに伴い布設費用がかさむという問題があった。 However, in the conventional wiring method, since the cable laying is repeatedly performed, the construction time becomes long, and the laying cost increases accordingly.
また、同一ケーブルを並べて配線するため、ケーブル間で漏話が発生しデータ伝送に不具合が起こる可能性があった。 In addition, since the same cables are arranged side by side, there is a possibility that crosstalk occurs between the cables and a problem occurs in data transmission.
更に、２４対ケーブルを超えた多対ケーブルのためには、２４対ケーブルと同様な一層構造ではケーブル外径が太くなるため多層構造とする必要があるが、高周波２５０ＭＨｚまで対応するカテゴリー６ケーブルでは、隣接するユニットから漏話を受けやすくなり、ユニット数の増加により、近端漏話減衰量が悪化するという問題があった。 Furthermore, for a multi-pair cable exceeding the 24-pair cable, a single-layer structure similar to the 24-pair cable requires a multi-layer structure because the outer diameter of the cable becomes thick. However, in a category 6 cable corresponding to a high frequency of 250 MHz, There is a problem in that crosstalk is easily received from adjacent units, and the near-end crosstalk attenuation is deteriorated due to an increase in the number of units.
そこで、本発明は、２４対以上であってもカテゴリー６の性能を有する多対ＬＡＮケーブルを提供する。 Therefore, the present invention provides a multi-pair LAN cable having category 6 performance even when there are 24 pairs or more.
本発明は、上記の課題を解決するために、２４対以上であっても、カテゴリー６規格の性能を有するＬＡＮケーブルであって、絶縁心線６を寄り合わせて二本一組の対撚線５とし、四組の前記対撚線５をスペーサ７で各対撚線５が非接触に隔離してシース９で一括被覆してなるユニット２を、複数本ずつ層を形成して多層の円状に配置し、前記各層の外周をテープで被覆し、最外層のテープの外周を外被で被覆したことを特徴とする多対ＬＡＮケーブルの構成とした。 In order to solve the above-mentioned problem, the present invention is a LAN cable having a performance of category 6 standard even when there are 24 pairs or more, and a pair of twisted pair wires with the insulated core wires 6 facing each other. The unit 2 is formed by forming a plurality of layers by forming a plurality of units 2 each consisting of four pairs of the twisted wires 5 separated from each other by the spacers 7 in a non-contact manner with a spacer 7 and covered with a sheath 9. The outer periphery of each layer was covered with a tape, and the outer periphery of the outermost layer tape was covered with a jacket.
また、前記ユニット２を２４組とし、中央層に２組のユニットと２本の介在を配置してプラスチックテープで一括被覆し、前記中央層の外周に８組のユニットを配置してプラスチックテープで一括被覆して第一層とし、前記第一層の外周に１４組のユニットを配置してプラスチックテープで一括被覆して第二層として多層を形成したことを特徴とする多対ＬＡＮケーブルの構成とした。 In addition, the unit 2 is set to 24 sets, two sets of units and two interpositions are arranged on the central layer and covered with plastic tape, and eight sets of units are arranged on the outer periphery of the central layer. A multi-pair LAN cable structure in which 14 layers of units are arranged on the outer periphery of the first layer and 14 layers of units are collectively covered with plastic tape to form a multilayer as the second layer. It was.
また、前記ユニット２を１２組とし、中央層に３組のユニットを配置してプラスチックテープで一括被覆し、前記中央層の外周に８組のユニットを配置してプラスチックテープで一括被覆して第一層として多層を形成した事を特徴とする多対ＬＡＮケーブルの構成とした。 The unit 2 is set to 12 sets, 3 sets of units are arranged on the central layer and collectively covered with plastic tape, and 8 sets of units are arranged on the outer periphery of the central layer and collectively covered with plastic tape. A multi-to-LAN cable configuration is characterized in that multiple layers are formed as one layer.
本発明は上記のような構成であるため、同一箇所の配線が多い場合であっても複数本のケーブルを繰り返し布設する必要が無く、短時間で施工が可能で、布設費用を抑えることができる。 Since the present invention is configured as described above, there is no need to repeatedly lay a plurality of cables even when there are many wirings in the same place, construction can be performed in a short time, and laying costs can be reduced. .
また、カテゴリー６の性能を有しているため、高速・高性能化したイーサネット（登録商標）環境にも十分使用することができる。 In addition, since it has Category 6 performance, it can be used sufficiently in high-speed and high-performance Ethernet (registered trademark) environments.
更に、外径をできる限り細くすることができるため、従来の複数布設した場合と比べて場所を取ることがない。 Furthermore, since the outer diameter can be made as small as possible, it does not take up space as compared with the case where a plurality of conventional layings are provided.
以下、添付の図面を参照し、本発明の実施の形態について詳細に説明する。 Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
図１は、本発明である多対ＬＡＮケーブルの断面図である。 FIG. 1 is a cross-sectional view of a multi-pair LAN cable according to the present invention.
図１に示すように、本発明である多対ＬＡＮケーブル（１）は、２４対以上であっても、カテゴリー６規格の性能を有するＬＡＮケーブルであって、絶縁心線（６）を寄り合わせて二本一組の対撚線（５）とし、四組の前記対撚線（５）をスペーサ（７）で各対撚線（５）が非接触に隔離してシース（９）で一括被覆してなるユニット（２）を、複数本ずつ層を形成して多層の円状に配置し、前記各層の外周をプラスチックテープで被覆し、最外層のプラスチックテープの外周を外被（４）で被覆したことを特徴とする。 As shown in FIG. 1, the multi-pair LAN cable (1) according to the present invention is a LAN cable having the performance of the category 6 standard even if there are more than 24 pairs, and the insulated core wires (6) are brought close together. A pair of twisted wires (5), and the four pairs of twisted wires (5) are separated by a spacer (7) so that each twisted wire (5) is non-contacted, and the sheath (9) collectively. The unit (2) to be coated is formed into a plurality of layers in a plurality of layers, the outer periphery of each layer is covered with a plastic tape, and the outer periphery of the outermost plastic tape is the outer cover (4) It is characterized by being coated with.
実施例１では、図１に示すように、前記ユニット（２）を２４組使用し、中央層（８）と第一層（８ａ）及び第二層（８ｂ）からなる多層とし、前記中央層（８）に２組のユニット（２、２）と２本の介在（３、３）を配置してプラスチックテープ（３ａ）で一括被覆し、前記中央層（８）の外周に８組のユニット（２、２、２・・・）を配置してプラスチックテープ（３ｂ）で一括被覆して第一層（８ａ）とし、前記第一層（８ａ）の外周に１４組のユニット（２、２、２・・・）を配置してプラスチックテープ（３ｃ）で一括被覆して第二層（８ｂ）として多層を形成したことを特徴とする多対ＬＡＮケーブル（１）とした。 In Example 1, as shown in FIG. 1, 24 sets of the unit (2) are used, and a multi-layer consisting of a central layer (8), a first layer (8a), and a second layer (8b) is used. (8) Two sets of units (2, 2) and two interpositions (3, 3) are placed and covered with plastic tape (3a), and eight sets of units are arranged on the outer periphery of the central layer (8). (2, 2, 2...) Are placed and collectively covered with a plastic tape (3b) to form a first layer (8a), and 14 sets of units (2, 2, 2) are arranged on the outer periphery of the first layer (8a). 2 ...), and a multi-pair LAN cable (1) characterized in that a multi-layer was formed as a second layer (8b) by collectively covering with a plastic tape (3c).
前記絶縁心線（６）は、銅線からなる導体（６ａ）をポリエチレン等の絶縁樹脂からなる絶縁体（６ｂ）で被覆した心線であり、２本の前記絶縁心線（６、６）を寄り合わせて対撚線（５）を形成する。 The insulating core wire (6) is a core wire in which a conductor (6a) made of copper wire is covered with an insulator (6b) made of an insulating resin such as polyethylene, and the two insulating core wires (6, 6). Are twisted together to form a twisted pair wire (5).
前述の通り、ユニット（２）は、４組の前記対撚線（５、５、５、５）と、前記各対撚線（５、５、５、５）を非接触に隔離する略十字型のスペーサ（７）と、前記前記対撚線（５、５、５、５）及び前記スペーサ（７）を一括被覆するシース（９）からなる。 As described above, the unit (2) includes four pairs of twisted wires (5, 5, 5, 5) and a substantially cross that separates the twisted wires (5, 5, 5, 5) in a non-contact manner. It comprises a mold spacer (7) and a sheath (9) that collectively covers the twisted pair wires (5, 5, 5, 5) and the spacer (7).
二組のユニット（２、２）と２本の介在（３、３）からなる前記中央層（８）は、プラスチックテープ（３ａ）で１／３ラップ重ね巻きして被覆されており、前記中央層（８）を囲む８組のユニット（２、２、２・・・）からなる第一層（８ａ）はプラスチックテープ（３ｂ）を１／４ラップ重ね巻きして被覆されており、前記第一層（８ａ）を囲む１４組のユニット（２、２、２・・・）からなる第二層（８ｂ）はプラスチックテープ（３ｃ）を１／４ラップ重ね巻きして被覆されている。尚、各層のユニット同士の寄り合わせピッチは適宜設定できるものとし、ピッチ間隔は限定していない。 The central layer (8) consisting of two sets of units (2, 2) and two intervening (3, 3) is covered with a plastic tape (3a) by wrapping 1/3 lap, The first layer (8a) composed of eight sets of units (2, 2, 2,...) Surrounding the layer (8) is covered with a plastic tape (3b) by wrapping a quarter lap. The second layer (8b) consisting of 14 sets of units (2, 2, 2,...) Surrounding the single layer (8a) is covered with a plastic tape (3c) wrapped by 1/4 wrap. In addition, the close pitch between the units of each layer can be set as appropriate, and the pitch interval is not limited.
一般に、通信ケーブルでは、１つの対撚線から他の対撚線への漏話を抑制するために、その間に金属テープ等による遮蔽層を設ける手法がとられているが、カテゴリー６の性能を有する多対ＬＡＮケーブルでは、従来のように金属テープを設けることにより特性インピーダンス、静電容量等に影響を及ぼし、高周波帯域での近端漏話減衰量の悪化が発生する。 In general, in communication cables, in order to suppress crosstalk from one twisted pair to another, a method of providing a shielding layer with a metal tape or the like between them has taken the performance of category 6. In a multi-pair LAN cable, by providing a metal tape as in the conventional case, the characteristic impedance, capacitance, etc. are affected, and the near-end crosstalk attenuation in the high frequency band is deteriorated.
本発明の多対ＬＡＮケーブルでは全周波数帯域で良好な近端漏話減衰量を達成するため、層間にプラスチックテープを設けた。また、プラスチックテープは非金属であるため、遮蔽層の設置が不要となり、施工性にも優れている。 In the multi-pair LAN cable of the present invention, a plastic tape is provided between the layers in order to achieve good near-end crosstalk attenuation in all frequency bands. Further, since the plastic tape is non-metallic, it is not necessary to install a shielding layer, and the workability is excellent.
ここで、図３を使用して、プラスチックテープを設けた場合の近端漏話減衰量の測定値と、プラスチックテープを金属テープに変えた場合の近端漏話減衰量の測定値を比較する。 Here, FIG. 3 is used to compare the measured value of the near-end crosstalk attenuation when the plastic tape is provided with the measured value of the near-end crosstalk attenuation when the plastic tape is changed to the metal tape.
測定値は、１つの対撚線（５）に対してのケーブル内の残りの９５本の対撚線（５）の近端漏話減衰量の電力和となり、代表値としてユニット（２）の対撚線（５）の４本についてそれぞれ重ねてプロットした。 The measured value is the power sum of the near-end crosstalk attenuation of the remaining 95 twisted wires (5) in the cable for one twisted wire (5). Each of the four stranded wires (5) was overlaid and plotted.
図３（Ａ）は、各層間に金属テープを設けた場合の近端漏話減衰量の測定値を示しており、（Ｂ）は、各層間にプラスチックテープを設けた場合の近端漏話減衰量の測定値を示している。各図において右下がりの直線はＴＩＡ／ＥＩＡのカテゴリー６規格値である。 FIG. 3A shows measured values of near-end crosstalk attenuation when a metal tape is provided between each layer, and FIG. 3B shows near-end crosstalk attenuation when a plastic tape is provided between each layer. The measured value is shown. In each figure, the straight line descending to the right is a TIA / EIA category 6 standard value.
図３に示すように、金属テープを設けた場合（Ａ）では、高周波帯域での悪化が見られるが、本発明のようにプラスチックテープを設けた場合（Ｂ）では、全周波数帯域において規格値に対して良好な結果が得られている。 As shown in FIG. 3, in the case where the metal tape is provided (A), deterioration in the high frequency band is observed, but in the case where the plastic tape is provided as in the present invention (B), the standard value is obtained in the entire frequency band. Good results are obtained.
図２は、本発明である多対ＬＡＮケーブルの第２実施例の断面図である。 FIG. 2 is a cross-sectional view of a second embodiment of the multi-pair LAN cable according to the present invention.
図２に示すように、多対ＬＡＮケーブル（１ａ）は、実施例１で示した多対ＬＡＮケーブル（１）とほぼ同じ構成をしている。即ち、多対ＬＡＮケーブル（１ａ）は、２４対以上であっても、カテゴリー６規格の性能を有するＬＡＮケーブルであって、絶縁心線（６）を寄り合わせて二本一組の対撚線（５）とし、四組の前記対撚線（５）をスペーサ（７）で各対撚線（５）が非接触に隔離してシース（９）で一括被覆してなるユニット（２）を、複数本ずつ層を形成して多層の円状に配置し、前記各層の外周をプラスチックテープで被覆し、最外層のプラスチックテープの外周を外被で被覆したことを特徴とする。 As shown in FIG. 2, the many-to-multiple LAN cable (1a) has almost the same configuration as the many-to-multiple LAN cable (1) shown in the first embodiment. That is, the multi-pair LAN cable (1a) is a LAN cable having the performance of the category 6 standard even if there are 24 pairs or more, and a pair of twisted wires with the insulated core wires (6) facing each other. (5) and a unit (2) in which four pairs of the twisted wires (5) are separated from each other by a spacer (7) in a non-contact manner and covered with a sheath (9). A plurality of layers are formed and arranged in a multilayered circle, the outer periphery of each layer is covered with a plastic tape, and the outer periphery of the outermost plastic tape is covered with a jacket.
実施例１と実施例２で異なる点は、使用するユニット（２）の数、設けた層の数、中央層８におけるユニット（２）の数、中央層８における介在（３）の有無である。 The difference between Example 1 and Example 2 is the number of units (2) to be used, the number of layers provided, the number of units (2) in the central layer 8, and the presence or absence of interposition (3) in the central layer 8. .
即ち、多対ＬＡＮケーブル（１ａ）は、前記ユニット（２）を１２組とし、中央層（８）に３組のユニット（２、２、２）を配置してプラスチックテープ（３ｄ）で一括被覆し、前記中央層（８）の外周に８組のユニット（２、２、２・・・）を配置してプラスチックテープ（３ｅ）で一括被覆して第一層（８ａ）として多層を形成した事を特徴とする。 That is, in the multi-pair LAN cable (1a), the above unit (2) is composed of 12 sets, and 3 units (2, 2, 2) are arranged in the central layer (8) and covered with plastic tape (3d). Then, eight sets of units (2, 2, 2,...) Are arranged on the outer periphery of the central layer (8) and covered with plastic tape (3e) to form a multilayer as the first layer (8a). It is characterized by things.
本発明であるＬＡＮケーブルは、カテゴリー６の性能を有した状態で２４対以上のＬＡＮケーブルを一度に配線することができるため、ネットワークを構築する様々な領域に多大な貢献をもたらす。 Since the LAN cable according to the present invention can wire 24 or more pairs of LAN cables at a time in a category 6 performance, it greatly contributes to various areas for constructing a network.
１ 多対ＬＡＮケーブル
１ａ 多対ＬＡＮケーブル
２ ユニット
３ 介在
３ａ プラスチックテープ
３ｂ プラスチックテープ
３ｃ プラスチックテープ
３ｄ プラスチックテープ
３ｅ プラスチックテープ
４ 外被
５ 対撚線
６ 絶縁心線
６ａ 導体
６ｂ 絶縁体
７ スペーサ
８ 中央層
８ａ 第一層
８ｂ 第二層
DESCRIPTION OF SYMBOLS 1 Multi-pair LAN cable 1a Multi-pair LAN cable 2 Unit 3 Interposition 3a Plastic tape 3b Plastic tape 3c Plastic tape 3d Plastic tape 3e Plastic tape 4 Outer jacket 5 Twisted wire 6 Insulated core 6a Conductor 6b Insulator 7 Spacer 8 Central layer 8a First layer 8b Second layer
Claims (3)
絶縁心線を寄り合わせて二本一組の対撚線とし、四組の前記対撚線をスペーサで各対撚線が非接触に隔離するようにシースで一括被覆してなるユニットを、複数本ずつ層を形成するように多層の円状に配置し、
前記各層の外周をプラスチックテープで被覆し、
最外層のプラスチックテープの外周を外被で被覆したことを特徴とする多対ＬＡＮケーブル。 It is a LAN cable having the performance of category 6 standard even if there are more than 24 pairs,
A plurality of units in which insulation core wires are brought close together to form a pair of twisted wires, and four pairs of twisted wires are collectively covered with a sheath so that each twisted wire is separated from each other by a spacer. to form a layer by the disposed multilayer circular,
The outer periphery of each layer is covered with plastic tape,
A multi-pair LAN cable characterized in that the outermost plastic tape is coated with an outer periphery.
中央層に２組のユニットと２本の介在を配置してプラスチックテープで一括被覆し、
前記中央層の外周に８組のユニットを配置してプラスチックテープで一括被覆して第一層とし、
前記第一層の外周に１４組のユニットを配置してプラスチックテープで一括被覆して第二層として多層を形成したことを特徴とする請求項１に記載の多対ＬＡＮケーブル。 The unit is 24 sets,
Two sets of units and two interpositions are placed in the center layer and covered with plastic tape.
8 sets of units are arranged on the outer periphery of the central layer and collectively covered with plastic tape to form the first layer,
The multi-pair LAN cable according to claim 1, wherein 14 sets of units are arranged on the outer periphery of the first layer and collectively covered with a plastic tape to form a multilayer as the second layer.
中央層に３組のユニットを配置してプラスチックテープで一括被覆し、
前記中央層の外周に９組のユニットを配置してプラスチックテープで一括被覆して第一層として多層を形成した事を特徴とする請求項１に記載の多対ＬＡＮケーブル。 The unit is 12 sets,
Three sets of units are placed in the center layer and covered with plastic tape.
2. The multi-pair LAN cable according to claim 1, wherein nine sets of units are arranged on the outer periphery of the central layer and collectively covered with a plastic tape to form a multilayer as the first layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011064330A JP5347167B2 (en) | 2011-03-23 | 2011-03-23 | Multi-pair LAN cable |
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| JP2011064330A JP5347167B2 (en) | 2011-03-23 | 2011-03-23 | Multi-pair LAN cable |
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| JP2012203988A JP2012203988A (en) | 2012-10-22 |
| JP5347167B2 true JP5347167B2 (en) | 2013-11-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110931157A (en) * | 2019-12-24 | 2020-03-27 | 常熟市景弘盛通信科技股份有限公司 | Novel cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5024627Y1 (en) * | 1969-10-13 | 1975-07-24 | ||
| JPH058827U (en) * | 1991-07-16 | 1993-02-05 | 昭和電線電纜株式会社 | Many-pair cable |
| JP2003109439A (en) * | 2001-09-28 | 2003-04-11 | Yazaki Corp | Utp cable wrapping type cable |
| JP3848212B2 (en) * | 2002-06-04 | 2006-11-22 | 株式会社フジクラ | Cable manufacturing method and cable distribution board |
| JP2009093908A (en) * | 2007-10-09 | 2009-04-30 | Tsushin Kogyo Kk | Communication cable |
| JP5366430B2 (en) * | 2008-04-18 | 2013-12-11 | 通信興業株式会社 | LAN cable |
| JP4665998B2 (en) * | 2008-05-16 | 2011-04-06 | 東日京三電線株式会社 | LAN cable unit |
| JP5457241B2 (en) * | 2010-03-19 | 2014-04-02 | 冨士電線株式会社 | Twisted pair cable for LAN |
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