WO2021210169A1 - Cable assembly - Google Patents

Cable assembly Download PDF

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Publication number
WO2021210169A1
WO2021210169A1 PCT/JP2020/016902 JP2020016902W WO2021210169A1 WO 2021210169 A1 WO2021210169 A1 WO 2021210169A1 JP 2020016902 W JP2020016902 W JP 2020016902W WO 2021210169 A1 WO2021210169 A1 WO 2021210169A1
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Prior art keywords
communication cables
cable
communication
pair
cables
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Application number
PCT/JP2020/016902
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French (fr)
Japanese (ja)
Inventor
佑紀 岡南
善之 内田
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三菱電機株式会社
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Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2022515170A priority Critical patent/JP7098085B2/en
Priority to PCT/JP2020/016902 priority patent/WO2021210169A1/en
Publication of WO2021210169A1 publication Critical patent/WO2021210169A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • 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
    • H01B7/08—Flat or ribbon cables
    • 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

Definitions

  • the present disclosure relates to a collective cable in which a plurality of communication cables having a pair of signal conductors are bundled.
  • Patent Document 1 discloses a communication cable used for a LAN or the like for the purpose of reducing the occurrence of crosstalk.
  • the communication cable shown in Patent Document 1 four twisted pair cables in which two conductors covered with an insulator are twisted and bundled and covered with an outer sheath are arranged in a straight line between them. The bridge is sandwiched between the two and connected by heat fusion or adhesive.
  • the noise interference of crosstalk generated between the first pair and the second pair is reduced.
  • crosstalk is reduced by ensuring the distance between each twisted pair cable.
  • the communication cable shown in Patent Document 1 is effective when the band of the propagating signal exceeds several hundred MHz, but the effect is reduced when the band of the propagating signal exceeds several GHz, and crosstalk occurs. To increase. In recent years, since the communication speed between electronic devices tends to increase, it is essential to suppress crosstalk that causes noise even in a region where the signal band exceeds several GHz. In order to suppress crosstalk, it is conceivable to increase the distance between the twisted pair cables, but in this case, the volume of the communication cable as an aggregate must be increased. In the communication cable shown in Patent Document 1, there remains a problem in the arrangement and accommodation of the communication cable as an aggregate according to the application.
  • the present disclosure has been made to solve the above problems, and a plurality of communication cables having a pair of signal conductors, which are used in a signal band exceeding 1 GHz, are bundled and a plurality of communication cables are used in a collective cable. It is an object of the present invention to obtain a collective cable capable of suppressing crosstalk between adjacent communication cables in a cable and integrating a plurality of communication cables with high density.
  • a plurality of communication cables each having a pair of signal conductors coated with a first insulator and a second communication cable having a second insulator covering the pair of signal conductors are arranged in parallel.
  • the arrangement directions of the pair of signal conductors are arranged orthogonal to each other.
  • crosstalk between adjacent communication cables in a plurality of communication cables can be suppressed, and the density of the plurality of communication cables can be increased.
  • FIG. It is sectional drawing of the collective cable which concerns on Embodiment 1.
  • FIG. It is a perspective view of the collective cable which concerns on Embodiment 1.
  • FIG. It is a perspective view which shows Example 1 of the communication cable in the collective cable which concerns on Embodiment 1.
  • FIG. It is a perspective view which shows Example 2 of the communication cable in the collective cable which concerns on Embodiment 1.
  • FIG. It is a perspective view which shows Example 3 of the communication cable in the collective cable which concerns on Embodiment 1.
  • FIG. It is a figure which showed the equipotential surface of the adjacent communication cable in the collective cable which concerns on Embodiment 1.
  • FIG. It is a figure which shows the analysis result of the near-end crosstalk between adjacent communication cables in the collective cable which concerns on Embodiment 1.
  • FIG. It is sectional drawing of the collective cable which concerns on Embodiment 2.
  • FIG. It is sectional drawing of the collective cable which concerns on Embodiment 3.
  • FIG. It is sectional drawing of the collective cable which concerns on Embodiment 4.
  • FIG. It is sectional drawing of the collective cable which concerns on Embodiment 5.
  • FIG. It is sectional drawing of the collective cable which concerns on Embodiment 6.
  • Embodiment 1 The collective cable 100 according to the first embodiment will be described with reference to FIGS. 1 to 7. As shown in FIGS. 1 and 2, the collective cable 100 is a plurality of communication cables arranged and bundled in a straight line, that is, in parallel in the horizontal direction shown in FIG. 1 in the lateral cross section of the collective cable 100.
  • a sheath 20 is provided which covers and fixes the 10a and 10b and the plurality of communication cables 10a and 10b, and bundles and protects the plurality of communication cables 10.
  • Each of the plurality of communication cables 10a and 10b has a pair of signal conductors 11a and 11b each coated with the first insulators 12a and 12b, as shown in FIG. 3 as Example 1 of the communication cables 10a and 10b.
  • the pair of signal conductors 11a and 11b are arranged in parallel.
  • the pair of signal conductors 11a and 11b are copper wires or conductors in which the copper wires are plated to prevent corrosion.
  • the first insulators 12a and 12b are made of a material having a low dielectric constant and a low loss such as FEP (fluororesin in which tetrafluoroethylene and hexafluoropropylene are jointly combined) which is polyethylene or a fluororesin.
  • FEP fluororesin in which tetrafluoroethylene and hexafluoropropylene are jointly combined
  • the insulators of the first insulators 12a and 12b are not limited to these insulators.
  • the second insulator 13 is made of PVC (polyvinyl chloride).
  • the insulator of the second insulator 13 is not limited to this.
  • the first insulators 12a and 12b and the second insulator 13 are made of different types of insulators, they may be made of the same type of insulators.
  • Each of the communication cables 10a and 10b is used as a communication cable for a LAN (local area network). In particular, it is used as a communication cable used in a signal band exceeding 1 GHz.
  • the characteristic impedance of the communication cables 10a and 10b is designed to be 100 ⁇ .
  • the diameters of the pair of signal conductors 11a and 11b are 0.5105 mm (using the electric wire cable AWG24), and the relative dielectric constants of the first insulators 12a and 12b are set to 2. .1 (using polyethylene), and the distance between the conductors of the pair of signal conductors 11a and 11b is 0.83 mm.
  • the characteristic impedance of the communication cables 10a and 10b at this time is about 101 ⁇ .
  • FIG. 4 shows Example 2 of the communication cables 10a and 10b.
  • the communication cables 10a and 10b of the second embodiment each include two holding bodies 14 for maintaining the distance between the pair of signal conductors 11a and 11b and improving the stability. These two holding bodies 14 are in the line segment with respect to the line segment connecting the center points of the pair of signal conductors 11a and 11b in the lateral cross section of the communication cables 10a and 10b, and in the circular cross section in the first embodiment. The points are located on a straight line orthogonal to each other and are arranged between a pair of signal conductors 11a and 11b.
  • the two holding bodies 14 have the first insulators 12a, 12b and the first insulators 12a, 12b in the gaps between the first insulators 12a, 12b and the second insulators 13 that cover the pair of signal conductors 11a, 11b, respectively. It is arranged in close contact with the insulator 13 of 2.
  • the center points of the pair of signal conductors 11a and 11b and the center points of the two holding bodies 14 are located at the vertices of the square in the lateral cross section of the communication cables 10a and 10b, respectively.
  • the two holders 14 are composed of the same type of insulator as the insulators of the first insulators 12a and 12b, but other types of insulators may be used.
  • the distance between the pair of signal conductors 11a and 11b can be kept constant and stably held by the two holding bodies 14, so that the communication cables 10a and 10b can be held stably.
  • the characteristic impedance is stable, and the communication characteristics of the communication cables 10a and 10b are improved.
  • FIG. 5 shows Example 3 of the communication cables 10a and 10b.
  • the communication cables 10a and 10b of the third embodiment are composed of one conductor wire as a pair of signal conductors 11a and 11b, respectively, in the first embodiment, but a plurality of conductor wires, and five in the third embodiment. It is composed of thin conductor wires 11a1 and 11b1.
  • the number of thin conductor wires 11a1 and 11b1 is not limited to five, and may be less than five or more than five.
  • a plurality of bundled communication cables 10a and 10b are arranged in parallel in a straight line, that is, arranged in parallel in the horizontal direction shown in FIG.
  • the adjacent communication cables 10a and 10b are arranged in close contact with each other with the second insulator 13.
  • the adjacent communication cables 10a and 10b are arranged so that the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other. That is, the adjacent communication cables 10a and 10b are arranged so that the line symmetric planes of the communication cables 10a and 10b are orthogonal to each other.
  • the line segments B connecting the center points of the signal conductors 11a and 11b are arranged at right angles.
  • the line symmetry plane of the communication cable 10a arranged at the even number is a longitudinal cross section including the line segment A, and the line symmetry plane of the communication cables 10a and 10b of the communication cable 10b arranged at the even number is a line. It is a longitudinal cross section including a minute B.
  • the number of communication cables 10a and 10b is not limited to the five shown in FIG. 1, and may be two or ten.
  • the adjacent communication cables 10a and 10b may be arranged so that the pair of signal conductors 11a and 11b are arranged orthogonally to each other.
  • FIG. 6 shows two adjacent communication cables 10a and 10b, but the same can be said for all of the adjacent communication cables 10a and 10b shown in FIG.
  • a pair of signal conductors 10a and 10b are cross-sectionald in the lateral direction.
  • Equivalent planes Pa and Pb are located on a plane in the longitudinal direction including a line that is orthogonal to the center line connecting the center points of the signal conductors 11a and 11b and passes through the midpoint of the center line connecting the center points of the pair of signal conductors 11a and 11b. It is formed. That is, the angle between the equipotential surface Pa of the communication cable 10a arranged at the odd number and the equipotential surface Pb of the communication cable 10b arranged at the even number is different by 90 °.
  • the communication cables 10a and 10b are not affected by electricity from the other conductors even if another conductor is arranged on the equipotential surfaces Pa and Pb. Therefore, the even-numbered communication cable 10a adjacent to the even-numbered communication cable 10b is arranged on the even-numbered communication cable 10b on the equipotential surface Pb, so that the even-numbered communication cable 10a is placed on the even-numbered communication cable 10b. In principle, the arranged communication cables 10b are not electrically affected by the adjacent even-numbered communication cables 10a.
  • the communication cable 10a adjacent to the communication cable 10b is on the equipotential surface Pb of the communication cable 10b. It will be in the state of being placed in. As a result, crosstalk between adjacent communication cables 10a and 10b is reduced. Moreover, even if the adjacent communication cables 10a and 10b are brought into close contact with each other, the relationship in which the communication cables 10a adjacent to the communication cables 10b are arranged on the equipotential surface Pb of the communication cables 10b does not change, so that crosstalk occurs. Communication cables 10a and 10b can be arranged with high density in a reduced state.
  • the analysis results used were communication cables 10a and communication cables 10b with a characteristic impedance of 100 ⁇ and a total length of 5.0 cm, arranged so that the line symmetric planes of the communication cables 10a and communication cables 10b were orthogonal to each other.
  • the analysis was performed using the high-frequency solver of "CST STUDIO SUITE 2020" provided by Dassault Systèmes as a three-dimensional electromagnetic field analysis tool.
  • the analysis result is shown by a solid line in FIG.
  • the near-end crosstalk is less than ⁇ 120 dB over a wide band in which the propagating high-frequency signal exceeds 1 GHz.
  • analysis was performed using the above-mentioned high-frequency solver using two twisted pair cables having different pitches from each other.
  • the two twisted pair cables had a characteristic impedance of 100 ⁇ , a total length of 5.0 cm, one pitch interval of 2.5 cm, and the other pitch interval of 1.7 cm.
  • the analysis result is shown by a broken line in FIG.
  • the near-end crosstalk exceeds ⁇ 80 dB over a wide band in which the propagating high-frequency signal exceeds 1 GHz.
  • near-end crosstalk is reduced in the present disclosure example as compared with the comparative example over a wide band in which the propagating high-frequency signal exceeds 1 GHz.
  • far-end crosstalk the number of cases disclosed in this disclosure was reduced compared to that of comparative cases.
  • the adjacent communication cables 10a and 10b in the plurality of communication cables 10a and 10b are arranged in parallel with the arrangement directions of the pair of signal conductors 11a and 11b orthogonal to each other. That is, since the line symmetric planes of the adjacent communication cables 10a and 10b are arranged in parallel at right angles to each other, the cross talk between the adjacent communication cables 10a and 10b of the plurality of communication cables 10a and 10b can be performed. It has the effect that it can be suppressed and the density of a plurality of communication cables 10a and 10b can be increased.
  • FIG. 8 shows the collective cable 100 according to the second embodiment.
  • the collective cable 100 according to the second embodiment further includes a shield conductor 30 and a protective insulator 40 with respect to the collective cable 100 according to the first embodiment.
  • the same reference numerals as those shown in FIGS. 1 to 6 indicate the same or corresponding portions.
  • the shield conductor 30 covers the entire circumference of the sheath 20 to suppress external noise to the communication cables 10a and 10b.
  • the shield conductor 30 is either a shield conductor made of copper, a shield conductor plated with nickel or the like, or a shield conductor made of copper braided for mobility.
  • the protective insulator 40 covers the entire circumference of the shield conductor 30 to protect the shield conductor 30 from the external environment.
  • the protective insulator 40 is the same type of insulator as the sheath 20.
  • the collective cable 100 according to the second embodiment has the same effect as the collective cable 100 according to the first embodiment, and the shield conductor 30 suppresses external noise to the communication cables 10a and 10b. , The resistance to external noise in the collective cable 100 is improved.
  • FIG. 9 shows the collective cable 100 according to the third embodiment.
  • the total number of communication cables is four, and the four communication cables have the collective cable 100 according to the first embodiment linearly in the lateral cross section of the collective cable 100. While it is arranged, it is arranged in a plane.
  • the four communication cables are arranged in the lateral direction and the vertical direction in the lateral cross section of the collective cable 100.
  • the adjacent communication cables 10a and 10b are arranged in parallel with the arrangement directions of the pair of signal conductors 11a and 11b orthogonal to each other, that is, the line symmetric planes of the adjacent communication cables 10a and 10b are orthogonal to each other. And are arranged in parallel.
  • the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b.
  • FIG. 10 shows the collective cable 100 according to the fourth embodiment.
  • the collective cable 100 according to the fourth embodiment has a total of five communication cables, and the five communication cables have a linear cross section of the collective cable 100 in the lateral direction, and the collective cable 100 according to the first embodiment is linear. While it is arranged, it is arranged in a plane.
  • the communication cable 10a is arranged in the center in the lateral cross section of the collective cable 100, and the four communication cables 10b are arranged radially in four directions with respect to the central communication cable 10a. .. That is, in the communication cable 10b adjacent to the communication cable 10a, the communication cable 10b is arranged in parallel with the communication cable 10a so that the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other, that is, the line symmetric planes are mutually arranged. They are arranged orthogonally and in parallel.
  • the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b.
  • FIG. 11 shows the collective cable 100 according to the fifth embodiment.
  • the collective cable 100 according to the fifth embodiment has a total of 12 communication cables, and the 12 communication cables have a linear cross section of the collective cable 100 in the lateral direction, and the collective cable 100 according to the first embodiment is linear. While it is arranged, it is arranged in a plane.
  • the 12 communication cables are arranged in the order of two, four, four, and two from the left when viewed from the horizontal direction, and two from the top when viewed from the vertical direction, in the lateral cross section of the collective cable 100. Four, four, and two are arranged in this order. That is, in both the horizontal direction and the vertical direction, the number of peripheral lines is smaller than the number of lines in the center, and the number of lines is the same in the order of arrangement.
  • the second line when viewed from the vertical direction is arranged in parallel in the order of communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the left, and the third line is communication cable 10b-communication cable 10a-communication cable from the left.
  • 10b-Communication cables 10a are arranged in parallel in this order.
  • the second row is arranged in parallel in the order of communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the top
  • the third row is the communication cable 10b-communication cable 10a-communication cable from the top.
  • 10b-Communication cables 10a are arranged in parallel in this order.
  • the adjacent communication cables 10a and 10b are arranged in parallel in the horizontal and vertical directions in which the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other, that is, the line symmetric planes of the adjacent communication cables 10a and 10b are arranged. Arranged in parallel at right angles to each other.
  • the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b.
  • FIG. 12 shows the collective cable 100 according to the sixth embodiment.
  • the total number of communication cables is 21, and the 21 communication cables have a linear cross section of the collective cable 100 in the lateral direction, and the collective cable 100 according to the first embodiment is linear. While it is arranged, it is arranged in a plane.
  • the 21 communication cables are arranged in parallel in the order of 3, 5, 5, 5, and 3 from the left when viewed from the left in the lateral cross section of the collective cable 100, and are arranged in parallel in this order when viewed from the vertical. From the top, three, five, five, five, and three are arranged in parallel in this order. That is, in both the horizontal direction and the vertical direction, the number of peripheral lines is smaller than the number of lines in the center, and the number of lines is the same in the order of arrangement.
  • the second line When viewed from the vertical direction, the second line is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the left, and the third line is the communication cable 10a-communication cable 10b from the left.
  • -Communication cable 10a-Communication cable 10b-Communication cable 10a are arranged in parallel, and the fourth line is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the left.
  • the second row is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b
  • the third row is communication cable 10a-communication cable 10b from the top.
  • -Communication cable 10a-Communication cable 10b-Communication cable 10a are arranged in parallel
  • the fourth row is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b.
  • the adjacent communication cables 10a and 10b are arranged in parallel in the horizontal and vertical directions in which the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other, that is, the line symmetric planes of the adjacent communication cables 10a and 10b. Are placed in parallel at right angles to each other.
  • the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b.
  • the collective cable 100 is preferably used as a collective cable in which a plurality of LAN communication cables used in a range in which the band of the propagated signal exceeds 1 GHz is bundled.

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Abstract

A cable assembly (100) comprises a plurality of communication cables (10a, 10b) that are arranged in a parallel manner and bundled.　Each of the plurality of communication cables (10a, 10b) has a pair of signal conductors (11a, 11b) that are respectively covered by first insulators (12a, 12b), and a second insulator (13) that covers the pair of signal conductors (11a, 11b).　Among the plurality of communication cables (10a, 10b), neighboring communication cables (10a, 10b) are arranged such that the respective arrangement directions of the pairs of signal conductors (11a, 11b) thereof are perpendicular.

Description

集合ケーブルCollective cable
　本開示は、一対の信号導体を有する通信ケーブルを複数本束ねた集合ケーブルに関する。 The present disclosure relates to a collective cable in which a plurality of communication cables having a pair of signal conductors are bundled.
　クロストークの発生の低減を目的としたＬＡＮ等に使用される通信ケーブルが特許文献１に示されている。
　特許文献１に示された通信ケーブルは、導体の周りを絶縁体で覆った２本の導線を撚って束ねた対撚線を外部シースで被覆したツイストペアケーブルを４本一直線状に並べ、間にブリッジを挟んだ上で熱融着又は接着剤により接続したものである。
　各ペアの対撚りピッチを異ならせることにより、１つ目のペアと２つ目のペアの間で発生するクロストークのノイズ干渉を低減している。
　また、各ツイストペアケーブルの対間距離を確保することにより、クロストークの減少を行っている。 Patent Document 1 discloses a communication cable used for a LAN or the like for the purpose of reducing the occurrence of crosstalk.
In the communication cable shown in Patent Document 1, four twisted pair cables in which two conductors covered with an insulator are twisted and bundled and covered with an outer sheath are arranged in a straight line between them. The bridge is sandwiched between the two and connected by heat fusion or adhesive.
By making the twisted pair pitch of each pair different, the noise interference of crosstalk generated between the first pair and the second pair is reduced.
In addition, crosstalk is reduced by ensuring the distance between each twisted pair cable.
特開２００６－１０８０４４号公報Japanese Unexamined Patent Publication No. 2006-108044
　特許文献１に示された通信ケーブルでは、伝搬する信号の帯域が数百ＭＨz程度の範囲では有効であるが、伝搬する信号の帯域が数ＧＨzを超える帯域になると効果が軽減され、クロストークが増加する。
　近年、電子機器間の通信速度が増加する傾向にあるため、信号の帯域が数ＧＨzを超える領域においてもノイズとなるクロストークを抑制することは必須である。
　クロストークを抑制するために、ツイストペアケーブル間の距離を離すことが考えられるが、この場合、集合体としての通信ケーブルの体積を大きくせざるを得ない。
　特許文献１に示された通信ケーブルでは、集合体としての通信ケーブルにおける用途面に応じた配置性及び収容性に課題が残る。 The communication cable shown in Patent Document 1 is effective when the band of the propagating signal exceeds several hundred MHz, but the effect is reduced when the band of the propagating signal exceeds several GHz, and crosstalk occurs. To increase.
In recent years, since the communication speed between electronic devices tends to increase, it is essential to suppress crosstalk that causes noise even in a region where the signal band exceeds several GHz.
In order to suppress crosstalk, it is conceivable to increase the distance between the twisted pair cables, but in this case, the volume of the communication cable as an aggregate must be increased.
In the communication cable shown in Patent Document 1, there remains a problem in the arrangement and accommodation of the communication cable as an aggregate according to the application.
　本開示は上記課題を解決するためになされたものであり、信号の帯域が１ＧＨｚを超える範囲で使用される、一対の信号導体を有する通信ケーブルが複数本束ねられ集合ケーブルにおいて、複数本の通信ケーブルにおける隣接する通信ケーブル間のクロストークを抑制し、かつ複数本の通信ケーブルを密度高く集積することができる集合ケーブルを得ることを目的とする。 The present disclosure has been made to solve the above problems, and a plurality of communication cables having a pair of signal conductors, which are used in a signal band exceeding 1 GHz, are bundled and a plurality of communication cables are used in a collective cable. It is an object of the present invention to obtain a collective cable capable of suppressing crosstalk between adjacent communication cables in a cable and integrating a plurality of communication cables with high density.
　本開示に係る集合ケーブルは、それぞれが第１の絶縁体により被覆された一対の信号導体と、一対の信号導体を被覆する第２の絶縁体を有する通信ケーブルが複数本並行して配置されて束ねられ、複数の通信ケーブルにおける隣接する通信ケーブルは、一対の信号導体の配置方向が互いに直交して配置される。 In the collective cable according to the present disclosure, a plurality of communication cables each having a pair of signal conductors coated with a first insulator and a second communication cable having a second insulator covering the pair of signal conductors are arranged in parallel. In the bundled and adjacent communication cables in the plurality of communication cables, the arrangement directions of the pair of signal conductors are arranged orthogonal to each other.
　本開示によれば、複数本の通信ケーブルにおける隣接する通信ケーブル間のクロストークを抑制でき、かつ複数本の通信ケーブルの密度を高めることができる。 According to the present disclosure, crosstalk between adjacent communication cables in a plurality of communication cables can be suppressed, and the density of the plurality of communication cables can be increased.
実施の形態１に係る集合ケーブルの断面図である。It is sectional drawing of the collective cable which concerns on Embodiment 1. FIG. 実施の形態１に係る集合ケーブルの斜視図である。It is a perspective view of the collective cable which concerns on Embodiment 1. FIG. 実施の形態１に係る集合ケーブルにおける通信ケーブルの実施例１を示す斜視図である。It is a perspective view which shows Example 1 of the communication cable in the collective cable which concerns on Embodiment 1. FIG. 実施の形態１に係る集合ケーブルにおける通信ケーブルの実施例２を示す斜視図である。It is a perspective view which shows Example 2 of the communication cable in the collective cable which concerns on Embodiment 1. FIG. 実施の形態１に係る集合ケーブルにおける通信ケーブルの実施例３を示す斜視図である。It is a perspective view which shows Example 3 of the communication cable in the collective cable which concerns on Embodiment 1. FIG. 実施の形態１に係る集合ケーブルにおける隣接する通信ケーブルの等電位面を示した図である。It is a figure which showed the equipotential surface of the adjacent communication cable in the collective cable which concerns on Embodiment 1. FIG. 実施の形態１に係る集合ケーブルにおける隣接する通信ケーブル間の近端クロストークの解析結果を示す図である。It is a figure which shows the analysis result of the near-end crosstalk between adjacent communication cables in the collective cable which concerns on Embodiment 1. FIG. 実施の形態２に係る集合ケーブルの断面図である。It is sectional drawing of the collective cable which concerns on Embodiment 2. FIG. 実施の形態３に係る集合ケーブルの断面図である。It is sectional drawing of the collective cable which concerns on Embodiment 3. FIG. 実施の形態４に係る集合ケーブルの断面図である。It is sectional drawing of the collective cable which concerns on Embodiment 4. FIG. 実施の形態５に係る集合ケーブルの断面図である。It is sectional drawing of the collective cable which concerns on Embodiment 5. FIG. 実施の形態６に係る集合ケーブルの断面図である。It is sectional drawing of the collective cable which concerns on Embodiment 6.
実施の形態１．
　図１から図７を用いて実施の形態１に係る集合ケーブル１００を説明する。
　集合ケーブル１００は、図１及び図２に示すように、集合ケーブル１００の短手方向断面において、一直線上、つまり、図１図示横方向に並行して配置されて束ねられた複数本の通信ケーブル１０ａ、１０ｂと、複数の通信ケーブル１０ａ、１０ｂを被覆し、固定し、複数の通信ケーブル１０を束ね、保護するシース２０を備える。 Embodiment 1.
The collective cable 100 according to the first embodiment will be described with reference to FIGS. 1 to 7.
As shown in FIGS. 1 and 2, the collective cable 100 is a plurality of communication cables arranged and bundled in a straight line, that is, in parallel in the horizontal direction shown in FIG. 1 in the lateral cross section of the collective cable 100. A sheath 20 is provided which covers and fixes the 10a and 10b and the plurality of communication cables 10a and 10b, and bundles and protects the plurality of communication cables 10.
　複数の通信ケーブル１０ａ、１０ｂのそれぞれは、図３に通信ケーブル１０ａ、１０ｂの実施例１として示すように、それぞれが第１の絶縁体１２ａ、１２ｂにより被覆された一対の信号導体１１ａ、１１ｂと、一対の信号導体１１ａ、１１ｂを被覆する第２の絶縁体１３を有する。
　一対の信号導体１１ａ、１１ｂは平行に配置される。一対の信号導体１１ａ、１１ｂは銅線、もしくは銅線に腐食を防止するためのメッキが施された導線である。 Each of the plurality of communication cables 10a and 10b has a pair of signal conductors 11a and 11b each coated with the first insulators 12a and 12b, as shown in FIG. 3 as Example 1 of the communication cables 10a and 10b. , Has a second insulator 13 that covers the pair of signal conductors 11a, 11b.
The pair of signal conductors 11a and 11b are arranged in parallel. The pair of signal conductors 11a and 11b are copper wires or conductors in which the copper wires are plated to prevent corrosion.
　第１の絶縁体１２ａ、１２ｂは、ポリエチレン又はフッ素樹脂であるＦＥＰ（テトラフルオロエチレンとヘキサフルオロプロピレンの共同合体したフッ素樹脂）などの低誘電率及び低損失の材料により構成される。ただし、第１の絶縁体１２ａ、１２ｂの絶縁物はこれら絶縁物に限られるものではない。
　第２の絶縁体１３は、ＰＶＣ（ポリ塩化ビニル）により構成される。ただし、第２の絶縁体１３の絶縁物はこれに限られるものではない。
　なお、第１の絶縁体１２ａ、１２ｂと第２の絶縁体１３を異なる種類の絶縁物により構成したが、同じ種類の絶縁物により構成してもよい。 The first insulators 12a and 12b are made of a material having a low dielectric constant and a low loss such as FEP (fluororesin in which tetrafluoroethylene and hexafluoropropylene are jointly combined) which is polyethylene or a fluororesin. However, the insulators of the first insulators 12a and 12b are not limited to these insulators.
The second insulator 13 is made of PVC (polyvinyl chloride). However, the insulator of the second insulator 13 is not limited to this.
Although the first insulators 12a and 12b and the second insulator 13 are made of different types of insulators, they may be made of the same type of insulators.
　通信ケーブル１０ａ、１０ｂのそれぞれはＬＡＮ（ローカルエリアネットワーク）用の通信ケーブルとして用いられる。特に、信号の帯域が１ＧＨｚを超える範囲で使用される通信ケーブルとして用いられる。
　通信の送受信のインピーダンスが１００Ωである場合、通信ケーブル１０ａ、１０ｂの特性インピーダンスは１００Ωに設計される。
　通信ケーブル１０ａ、１０ｂの特性インピーダンスを１００Ωに設計した場合、一対の信号導体１１ａ、１１ｂの直径を０．５１０５mm（電線ケーブルＡＷＧ２４を使用）、第１の絶縁体１２ａ、１２ｂの比誘電率を２．１（ポリエチレンを使用）とし、一対の信号導体１１ａ、１１ｂの導体間の間隔を０．８３mmとする。
　この時の通信ケーブル１０ａ、１０ｂの特性インピーダンスは、約１０１Ωとなる。 Each of the communication cables 10a and 10b is used as a communication cable for a LAN (local area network). In particular, it is used as a communication cable used in a signal band exceeding 1 GHz.
When the impedance of communication transmission / reception is 100Ω, the characteristic impedance of the communication cables 10a and 10b is designed to be 100Ω.
When the characteristic impedance of the communication cables 10a and 10b is designed to be 100Ω, the diameters of the pair of signal conductors 11a and 11b are 0.5105 mm (using the electric wire cable AWG24), and the relative dielectric constants of the first insulators 12a and 12b are set to 2. .1 (using polyethylene), and the distance between the conductors of the pair of signal conductors 11a and 11b is 0.83 mm.
The characteristic impedance of the communication cables 10a and 10b at this time is about 101Ω.
　図４は、通信ケーブル１０ａ、１０ｂの実施例２を示す。実施例２の通信ケーブル１０ａ、１０ｂはそれぞれ、一対の信号導体１１ａ、１１ｂの間の距離を維持し、安定性を向上させるための２つの保持体１４を備えている。
　これら２つの保持体１４は、通信ケーブル１０ａ、１０ｂの短手方向断面、この実施の形態１においては円形断面において一対の信号導体１１ａ、１１ｂの中心点を結ぶ線分に対して線分の中点を直交する直線上に位置し、かつ、一対の信号導体１１ａ、１１ｂの間に配置される。つまり、２つの保持体１４は、一対の信号導体１１ａ、１１ｂそれぞれを被覆する第１の絶縁体１２ａ、１２ｂと第２の絶縁体１３との隙間に、第１の絶縁体１２ａ、１２ｂと第２の絶縁体１３と密接して配置される。 FIG. 4 shows Example 2 of the communication cables 10a and 10b. The communication cables 10a and 10b of the second embodiment each include two holding bodies 14 for maintaining the distance between the pair of signal conductors 11a and 11b and improving the stability.
These two holding bodies 14 are in the line segment with respect to the line segment connecting the center points of the pair of signal conductors 11a and 11b in the lateral cross section of the communication cables 10a and 10b, and in the circular cross section in the first embodiment. The points are located on a straight line orthogonal to each other and are arranged between a pair of signal conductors 11a and 11b. That is, the two holding bodies 14 have the first insulators 12a, 12b and the first insulators 12a, 12b in the gaps between the first insulators 12a, 12b and the second insulators 13 that cover the pair of signal conductors 11a, 11b, respectively. It is arranged in close contact with the insulator 13 of 2.
　一対の信号導体１１ａ、１１ｂの中心点と２つの保持体１４の中心点はそれぞれ、通信ケーブル１０ａ、１０ｂの短手方向断面において、４角形の頂点に位置する。
　２つの保持体１４は第１の絶縁体１２ａ、１２ｂの絶縁物と同種類の絶縁物により構成されるが、これ以外の種類の絶縁物でもよい。 The center points of the pair of signal conductors 11a and 11b and the center points of the two holding bodies 14 are located at the vertices of the square in the lateral cross section of the communication cables 10a and 10b, respectively.
The two holders 14 are composed of the same type of insulator as the insulators of the first insulators 12a and 12b, but other types of insulators may be used.
　実施例２の通信ケーブル１０ａ、１０ｂにあっては、２つの保持体１４により、一対の信号導体１１ａ、１１ｂ間の距離を一定に維持し、安定して保持できるため、通信ケーブル１０ａ、１０ｂの特性インピーダンスが安定し、通信ケーブル１０ａ、１０ｂによる通信特性が向上する。 In the communication cables 10a and 10b of the second embodiment, the distance between the pair of signal conductors 11a and 11b can be kept constant and stably held by the two holding bodies 14, so that the communication cables 10a and 10b can be held stably. The characteristic impedance is stable, and the communication characteristics of the communication cables 10a and 10b are improved.
　図５は、通信ケーブル１０ａ、１０ｂの実施例３を示す。実施例３の通信ケーブル１０ａ、１０ｂはそれぞれ、一対の信号導体１１ａ、１１ｂとして、実施例１においては１本の導体線により構成しているのに対し、複数本、この実施例３では５本の細い導体線１１ａ１、１１ｂ１により構成したものである。
　このように、一対の信号導体１１ａ、１１ｂを複数の細い導体線１１ａ１、１１ｂ１により構成することにより、通信ケーブル１０ａ、１０ｂの柔軟性が増し、集合ケーブル１００に可動性を持たせることができる。
　なお、細い導体線１１ａ１、１１ｂ１の数は５本に限られるものではなく、５本未満、もしくは５本より多くてもよい。 FIG. 5 shows Example 3 of the communication cables 10a and 10b. The communication cables 10a and 10b of the third embodiment are composed of one conductor wire as a pair of signal conductors 11a and 11b, respectively, in the first embodiment, but a plurality of conductor wires, and five in the third embodiment. It is composed of thin conductor wires 11a1 and 11b1.
By forming the pair of signal conductors 11a and 11b with a plurality of thin conductor wires 11a1 and 11b1 in this way, the flexibility of the communication cables 10a and 10b can be increased, and the collective cable 100 can be made movable.
The number of thin conductor wires 11a1 and 11b1 is not limited to five, and may be less than five or more than five.
　複数本束ねられた通信ケーブル１０ａ、１０ｂは、一直線的に並行して配置、つまり、図１図示横方向に並行して配置される。
　隣接する通信ケーブル１０ａ、１０ｂは、互いに、第２の絶縁体１３と密接して配置される。
　隣接する通信ケーブル１０ａ、１０ｂは、一対の信号導体１１ａ、１１ｂの配置方向が直交して配置される。つまり、隣接する通信ケーブル１０ａ、１０ｂは、通信ケーブル１０ａ、１０ｂの線対称面が互いに直交するように配置される。 A plurality of bundled communication cables 10a and 10b are arranged in parallel in a straight line, that is, arranged in parallel in the horizontal direction shown in FIG.
The adjacent communication cables 10a and 10b are arranged in close contact with each other with the second insulator 13.
The adjacent communication cables 10a and 10b are arranged so that the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other. That is, the adjacent communication cables 10a and 10b are arranged so that the line symmetric planes of the communication cables 10a and 10b are orthogonal to each other.
　要するに、集合ケーブル１００の短手方向断面において、奇数番目に配置される通信ケーブル１０ａにおける一対の信号導体１１ａ、１１ｂの中心点を結ぶ線分Ａと偶数番目に配置される通信ケーブル１０ｂにおける一対の信号導体１１ａ、１１ｂの中心点を結ぶ線分Ｂが直交して配置される。
　なお、奇数番目に配置される通信ケーブル１０ａにおける線対称面は、線分Ａを含む長手方向断面であり、偶数番目に配置される通信ケーブル１０ｂにおける通信ケーブル１０ａ、１０ｂの線対称面は、線分Ｂを含む長手方向断面である。
　なお、通信ケーブル１０ａ、１０ｂの本数は、図１に示す５本に限るものではなく、２本でも１０本でもよい。
　要は、隣接する通信ケーブル１０ａ、１０ｂが、一対の信号導体１１ａ、１１ｂの配置方向が直交して配置される構成であればよい。 In short, in the lateral cross section of the collective cable 100, a pair of line segments A connecting the center points of the pair of signal conductors 11a and 11b in the communication cable 10a arranged at odd numbers and a pair of communication cables 10b arranged at even numbers. The line segments B connecting the center points of the signal conductors 11a and 11b are arranged at right angles.
The line symmetry plane of the communication cable 10a arranged at the even number is a longitudinal cross section including the line segment A, and the line symmetry plane of the communication cables 10a and 10b of the communication cable 10b arranged at the even number is a line. It is a longitudinal cross section including a minute B.
The number of communication cables 10a and 10b is not limited to the five shown in FIG. 1, and may be two or ten.
In short, the adjacent communication cables 10a and 10b may be arranged so that the pair of signal conductors 11a and 11b are arranged orthogonally to each other.
　次に、実施の形態１に係る集合ケーブル１００において、隣接する通信ケーブル１０ａ、１０ｂ間のクロストークを抑制できる点について、図６及び図７を用いて説明する。
　説明を簡単にするために、図６では通信ケーブル１０ａ、１０ｂとして隣接する２本を示しているが、図１に示した隣接する通信ケーブル１０ａ、１０ｂ間全てで同じことが言える。 Next, in the collective cable 100 according to the first embodiment, the point that crosstalk between adjacent communication cables 10a and 10b can be suppressed will be described with reference to FIGS. 6 and 7.
For the sake of simplicity, FIG. 6 shows two adjacent communication cables 10a and 10b, but the same can be said for all of the adjacent communication cables 10a and 10b shown in FIG.
　通信ケーブル１０ａ、１０ｂにおける一対の信号導体１１ａ、１１ｂに信号の帯域が１ＧＨｚを超える高周波信号が印加されると、図６に示すように、通信ケーブル１０ａ、１０ｂの短手方向断面において、一対の信号導体１１ａ、１１ｂの中心点を結ぶ中心線と直交し、一対の信号導体１１ａ、１１ｂの中心点を結ぶ中心線の中点を通る線を含む長手方向の平面に等電位面Ｐa、Ｐbが形成される。
　すなわち、奇数番目に配置される通信ケーブル１０ａの等電位面Ｐaと偶数番目に配置される通信ケーブル１０ｂの等電位面Ｐbとは角度が９０°異なる。 When a high-frequency signal having a signal band exceeding 1 GHz is applied to the pair of signal conductors 11a and 11b in the communication cables 10a and 10b, as shown in FIG. 6, a pair of signal conductors 10a and 10b are cross-sectionald in the lateral direction. Equivalent planes Pa and Pb are located on a plane in the longitudinal direction including a line that is orthogonal to the center line connecting the center points of the signal conductors 11a and 11b and passes through the midpoint of the center line connecting the center points of the pair of signal conductors 11a and 11b. It is formed.
That is, the angle between the equipotential surface Pa of the communication cable 10a arranged at the odd number and the equipotential surface Pb of the communication cable 10b arranged at the even number is different by 90 °.
　通信ケーブル１０ａ、１０ｂは、等電位面Ｐa、Ｐb上に別の導体が配置されても、別の導体からの電気的な影響は原理的に受けない。
　したがって、偶数番目に配置される通信ケーブル１０ｂに隣接する奇数番目に配置される通信ケーブル１０ａは、偶数番目に配置される通信ケーブル１０ｂの等電位面Ｐb上に配置されているので、偶数番目に配置される通信ケーブル１０ｂは隣接する奇数番目に配置される通信ケーブル１０ａからの電気的な影響は原理的に受けない。 In principle, the communication cables 10a and 10b are not affected by electricity from the other conductors even if another conductor is arranged on the equipotential surfaces Pa and Pb.
Therefore, the even-numbered communication cable 10a adjacent to the even-numbered communication cable 10b is arranged on the even-numbered communication cable 10b on the equipotential surface Pb, so that the even-numbered communication cable 10a is placed on the even-numbered communication cable 10b. In principle, the arranged communication cables 10b are not electrically affected by the adjacent even-numbered communication cables 10a.
　要するに、隣接する通信ケーブル１０ａ、１０ｂは、通信ケーブル１０ａ、１０ｂの線対称面が互いに直交するように配置されるので、通信ケーブル１０ｂに隣接する通信ケーブル１０ａは通信ケーブル１０ｂの等電位面Ｐb上に配置された状態になる。
　その結果、隣接する通信ケーブル１０ａ、１０ｂの間でのクロストークは低減される。
　しかも、隣接する通信ケーブル１０ａ、１０ｂ同士を密着させても、通信ケーブル１０ｂに隣接する通信ケーブル１０ａは通信ケーブル１０ｂの等電位面Ｐb上に配置されている関係に変化がないため、クロストークが低減された状態で通信ケーブル１０ａ、１０ｂを密度高く配置できる。 In short, since the adjacent communication cables 10a and 10b are arranged so that the line symmetric planes of the communication cables 10a and 10b are orthogonal to each other, the communication cable 10a adjacent to the communication cable 10b is on the equipotential surface Pb of the communication cable 10b. It will be in the state of being placed in.
As a result, crosstalk between adjacent communication cables 10a and 10b is reduced.
Moreover, even if the adjacent communication cables 10a and 10b are brought into close contact with each other, the relationship in which the communication cables 10a adjacent to the communication cables 10b are arranged on the equipotential surface Pb of the communication cables 10b does not change, so that crosstalk occurs. Communication cables 10a and 10b can be arranged with high density in a reduced state.
　次に、図１から図３に示す実施の形態１に係る集合ケーブル１００における近端クロストークの解析結果について説明する。
　解析結果に用いたのは、特性インピーダンスが１００Ω、全長が５．０cmの通信ケーブル１０ａ及び通信ケーブル１０ｂを、通信ケーブル１０ａと通信ケーブル１０ｂの線対称面が互いに直交するように配置されたものを用い、３次元電磁界解析ツールとしてダッソーシステムズ社が提供する「CST STUDIO SUITE 2020」の高周波ソルバーを用いて解析を行った。 Next, the analysis result of the near-end crosstalk in the collective cable 100 according to the first embodiment shown in FIGS. 1 to 3 will be described.
The analysis results used were communication cables 10a and communication cables 10b with a characteristic impedance of 100Ω and a total length of 5.0 cm, arranged so that the line symmetric planes of the communication cables 10a and communication cables 10b were orthogonal to each other. The analysis was performed using the high-frequency solver of "CST STUDIO SUITE 2020" provided by Dassault Systèmes as a three-dimensional electromagnetic field analysis tool.
　その解析結果を、図７に実線にて示す。
　図７に示す解析結果から明らかなように、伝搬する高周波信号が１ＧＨzを超える広帯域に亘って、近端クロストークは－１２０ｄＢ未満になっている。
　比較のため、互いにピッチの異なる２本のツイストペアケーブルを用い、上記した高周波ソルバーを用いて解析を行った。 The analysis result is shown by a solid line in FIG.
As is clear from the analysis results shown in FIG. 7, the near-end crosstalk is less than −120 dB over a wide band in which the propagating high-frequency signal exceeds 1 GHz.
For comparison, analysis was performed using the above-mentioned high-frequency solver using two twisted pair cables having different pitches from each other.
　２本のツイストペアケーブルは、特性インピーダンスが１００Ω、全長５．０cmとし、一方のピッチ間隔を２．５cm、他方のピッチ間隔を１．７cmとした。
　その解析結果を図７に破線にて示す。
　図７に示す解析結果から明らかなように、伝搬する高周波信号が１ＧＨzを超える広帯域に亘って、近端クロストークは－８０ｄＢを超えている。 The two twisted pair cables had a characteristic impedance of 100 Ω, a total length of 5.0 cm, one pitch interval of 2.5 cm, and the other pitch interval of 1.7 cm.
The analysis result is shown by a broken line in FIG.
As is clear from the analysis results shown in FIG. 7, the near-end crosstalk exceeds −80 dB over a wide band in which the propagating high-frequency signal exceeds 1 GHz.
　以上のことから明らかなように、伝搬する高周波信号が１ＧＨzを超える広帯域に亘って、本開示例が比較例に対して近端クロストークが減少している。
　また、遠端クロストークについても、本開示例が比較例に対して減少していた。 As is clear from the above, near-end crosstalk is reduced in the present disclosure example as compared with the comparative example over a wide band in which the propagating high-frequency signal exceeds 1 GHz.
In addition, regarding far-end crosstalk, the number of cases disclosed in this disclosure was reduced compared to that of comparative cases.
　以上のように、実施の形態１に係る集合ケーブル１００は、複数の通信ケーブル１０ａ、１０ｂにおける隣接する通信ケーブル１０ａ、１０ｂが、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置されたものとしたので、複数本の通信ケーブル１０ａ、１０ｂの隣接する通信ケーブル１０ａ、１０ｂ間のクロストークを抑制でき、かつ複数本の通信ケーブル１０ａ、１０ｂの密度を高めることができるという効果を有する。 As described above, in the collective cable 100 according to the first embodiment, the adjacent communication cables 10a and 10b in the plurality of communication cables 10a and 10b are arranged in parallel with the arrangement directions of the pair of signal conductors 11a and 11b orthogonal to each other. That is, since the line symmetric planes of the adjacent communication cables 10a and 10b are arranged in parallel at right angles to each other, the cross talk between the adjacent communication cables 10a and 10b of the plurality of communication cables 10a and 10b can be performed. It has the effect that it can be suppressed and the density of a plurality of communication cables 10a and 10b can be increased.
実施の形態２．
　図８は、実施の形態２に係る集合ケーブル１００を示す。実施の形態２に係る集合ケーブル１００は、実施の形態１に係る集合ケーブル１００に対して、さらに、シールド導体３０及び保護用絶縁体４０を備えている。
　なお、図８中、図１から図６に示した符号と同一符号は同一又は相当部分を示す。 Embodiment 2.
FIG. 8 shows the collective cable 100 according to the second embodiment. The collective cable 100 according to the second embodiment further includes a shield conductor 30 and a protective insulator 40 with respect to the collective cable 100 according to the first embodiment.
In FIG. 8, the same reference numerals as those shown in FIGS. 1 to 6 indicate the same or corresponding portions.
　シールド導体３０はシース２０の全周に亘って被覆し、通信ケーブル１０ａ、１０ｂへの外来ノイズを抑制する。シールド導体３０は、銅によるシールド導体もしくニッケルなどのめっきが施されたシールド導体、あるいは可動性を持たせるために銅を編組にしたシールド導体のいずれかである。
　保護用絶縁体４０は、シールド導体３０の全周に亘って被覆し、シールド導体３０を外部環境から保護する。保護用絶縁体４０はシース２０と同種類の絶縁体である。 The shield conductor 30 covers the entire circumference of the sheath 20 to suppress external noise to the communication cables 10a and 10b. The shield conductor 30 is either a shield conductor made of copper, a shield conductor plated with nickel or the like, or a shield conductor made of copper braided for mobility.
The protective insulator 40 covers the entire circumference of the shield conductor 30 to protect the shield conductor 30 from the external environment. The protective insulator 40 is the same type of insulator as the sheath 20.
　以上のように、実施の形態２に係る集合ケーブル１００は、実施の形態１に係る集合ケーブル１００と同様の効果を奏する他、シールド導体３０が通信ケーブル１０ａ、１０ｂへの外来ノイズを抑制するため、集合ケーブル１００における外来ノイズに対する耐性が向上する。 As described above, the collective cable 100 according to the second embodiment has the same effect as the collective cable 100 according to the first embodiment, and the shield conductor 30 suppresses external noise to the communication cables 10a and 10b. , The resistance to external noise in the collective cable 100 is improved.
実施の形態３．
　図９は、実施の形態３に係る集合ケーブル１００を示す。実施の形態３に係る集合ケーブル１００は、通信ケーブルの総数を４本とし、４本の通信ケーブルが、集合ケーブル１００の短手方向断面において、実施の形態１に係る集合ケーブル１００が一直線的に配置されているのに対して、平面的に配置されている。 Embodiment 3.
FIG. 9 shows the collective cable 100 according to the third embodiment. In the collective cable 100 according to the third embodiment, the total number of communication cables is four, and the four communication cables have the collective cable 100 according to the first embodiment linearly in the lateral cross section of the collective cable 100. While it is arranged, it is arranged in a plane.
　４本の通信ケーブルは、集合ケーブル１００の短手方向断面において、横方向２本、縦方向２本配置されている。
　４本の通信ケーブルは、隣接する通信ケーブル１０ａ、１０ｂが、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置されている。 The four communication cables are arranged in the lateral direction and the vertical direction in the lateral cross section of the collective cable 100.
In the four communication cables, the adjacent communication cables 10a and 10b are arranged in parallel with the arrangement directions of the pair of signal conductors 11a and 11b orthogonal to each other, that is, the line symmetric planes of the adjacent communication cables 10a and 10b are orthogonal to each other. And are arranged in parallel.
　このように構成された実施の形態３に係る集合ケーブル１００においても、平面的に配置された縦方向及び横方向ともに、隣接する通信ケーブル１０ａ、１０ｂは、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置されたものとしたので、隣接する通信ケーブル１０ａ、１０ｂ間のクロストークを抑制でき、かつ複数本の通信ケーブル１０ａ、１０ｂの密度を高めることができるという効果を有する。 Also in the collective cable 100 according to the third embodiment configured in this way, the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b. Are arranged orthogonally and in parallel, that is, the line symmetric planes of adjacent communication cables 10a and 10b are arranged orthogonally and parallel to each other, so that crosstalk between adjacent communication cables 10a and 10b can be suppressed. Moreover, it has an effect that the density of a plurality of communication cables 10a and 10b can be increased.
実施の形態４．
　図１０は、実施の形態４に係る集合ケーブル１００を示す。実施の形態４に係る集合ケーブル１００は、通信ケーブルの総数を５本とし、５本の通信ケーブルが、集合ケーブル１００の短手方向断面において、実施の形態１に係る集合ケーブル１００が直線的に配置されているのに対して、平面的に配置されている。 Embodiment 4.
FIG. 10 shows the collective cable 100 according to the fourth embodiment. The collective cable 100 according to the fourth embodiment has a total of five communication cables, and the five communication cables have a linear cross section of the collective cable 100 in the lateral direction, and the collective cable 100 according to the first embodiment is linear. While it is arranged, it is arranged in a plane.
　５本の通信ケーブルは、集合ケーブル１００の短手方向断面において、中心に通信ケーブル１０ａが配置され、中心の通信ケーブル１０ａに対して４方向に放射状に４本の通信ケーブル１０ｂが配置されている。
　すなわち、通信ケーブル１０ａと隣接する通信ケーブル１０ｂは、通信ケーブル１０ｂが、通信ケーブル１０ａに対して、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、線対称面が互いに直交して並行に配置されている。 In the five communication cables, the communication cable 10a is arranged in the center in the lateral cross section of the collective cable 100, and the four communication cables 10b are arranged radially in four directions with respect to the central communication cable 10a. ..
That is, in the communication cable 10b adjacent to the communication cable 10a, the communication cable 10b is arranged in parallel with the communication cable 10a so that the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other, that is, the line symmetric planes are mutually arranged. They are arranged orthogonally and in parallel.
　このように構成された実施の形態４に係る集合ケーブル１００においても、平面的に配置された縦方向及び横方向ともに、隣接する通信ケーブル１０ａ、１０ｂが、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置されたものとしたので、隣接する通信ケーブル１０ａ、１０ｂ間のクロストークを抑制でき、かつ複数本の通信ケーブル１０ａ、１０ｂの密度を高めることができるという効果を有する。 Also in the collective cable 100 according to the fourth embodiment configured in this way, the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b. Are arranged orthogonally and in parallel, that is, the line symmetric planes of adjacent communication cables 10a and 10b are arranged orthogonally and parallel to each other, so that crosstalk between adjacent communication cables 10a and 10b can be suppressed. Moreover, it has an effect that the density of a plurality of communication cables 10a and 10b can be increased.
実施の形態５．
　図１１は、実施の形態５に係る集合ケーブル１００を示す。実施の形態５に係る集合ケーブル１００は、通信ケーブルの総数を１２本とし、１２本の通信ケーブルが、集合ケーブル１００の短手方向断面において、実施の形態１に係る集合ケーブル１００が直線的に配置されているのに対して、平面的に配置されている。
　１２本の通信ケーブルは、集合ケーブル１００の短手方向断面において、横方向から見て左から２本、４本、４本、２本の順に配列され、縦方向から見て上から２本、４本、４本、２本の順に配列される。
　すなわち、横方向及び縦方向、どちらから見てもともに、周辺の本数が中央の本数より少なく、かつ、配列順に同じ本数に配置される。 Embodiment 5.
FIG. 11 shows the collective cable 100 according to the fifth embodiment. The collective cable 100 according to the fifth embodiment has a total of 12 communication cables, and the 12 communication cables have a linear cross section of the collective cable 100 in the lateral direction, and the collective cable 100 according to the first embodiment is linear. While it is arranged, it is arranged in a plane.
The 12 communication cables are arranged in the order of two, four, four, and two from the left when viewed from the horizontal direction, and two from the top when viewed from the vertical direction, in the lateral cross section of the collective cable 100. Four, four, and two are arranged in this order.
That is, in both the horizontal direction and the vertical direction, the number of peripheral lines is smaller than the number of lines in the center, and the number of lines is the same in the order of arrangement.
　縦方向から見て２行目は、左から通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂの順に並行に配列され、３行目は左から通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａの順に並行に配列される。
　横方向から見て２列目は、上から通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂの順に並行に配列され、３列目は上から通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａの順に並行に配列される。
　したがって、隣接する通信ケーブル１０ａ、１０ｂは横方向及び縦方向全てにおいて、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置される。 The second line when viewed from the vertical direction is arranged in parallel in the order of communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the left, and the third line is communication cable 10b-communication cable 10a-communication cable from the left. 10b-Communication cables 10a are arranged in parallel in this order.
When viewed from the side, the second row is arranged in parallel in the order of communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the top, and the third row is the communication cable 10b-communication cable 10a-communication cable from the top. 10b-Communication cables 10a are arranged in parallel in this order.
Therefore, the adjacent communication cables 10a and 10b are arranged in parallel in the horizontal and vertical directions in which the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other, that is, the line symmetric planes of the adjacent communication cables 10a and 10b are arranged. Arranged in parallel at right angles to each other.
　このように構成された実施の形態５に係る集合ケーブル１００においても、平面的に配置された縦方向及び横方向ともに、隣接する通信ケーブル１０ａ、１０ｂが、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置されたものとしたので、隣接する通信ケーブル１０ａ、１０ｂ間のクロストークを抑制でき、かつ複数本の通信ケーブル１０ａ、１０ｂの密度を高めることができるという効果を有する。 Also in the collective cable 100 according to the fifth embodiment configured in this way, the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b. Are arranged orthogonally and in parallel, that is, the line symmetric planes of adjacent communication cables 10a and 10b are arranged orthogonally and parallel to each other, so that crosstalk between adjacent communication cables 10a and 10b can be suppressed. Moreover, it has an effect that the density of a plurality of communication cables 10a and 10b can be increased.
実施の形態６．
　図１２は、実施の形態６に係る集合ケーブル１００を示す。実施の形態６に係る集合ケーブル１００は、通信ケーブルの総数を２１本とし、２１本の通信ケーブルが、集合ケーブル１００の短手方向断面において、実施の形態１に係る集合ケーブル１００が直線的に配置されているのに対して、平面的に配置されている。
　２１本の通信ケーブルは、集合ケーブル１００の短手方向断面において、横方向から見て左から３本、５本、５本、５本、３本の順に並行に配列され、縦方向から見て上から３本、５本、５本、５本、３本の順に並行に配列される。
　すなわち、横方向及び縦方向、どちらから見てもともに、周辺の本数が中央の本数より少なく、かつ、配列順に同じ本数に配置される。 Embodiment 6.
FIG. 12 shows the collective cable 100 according to the sixth embodiment. In the collective cable 100 according to the sixth embodiment, the total number of communication cables is 21, and the 21 communication cables have a linear cross section of the collective cable 100 in the lateral direction, and the collective cable 100 according to the first embodiment is linear. While it is arranged, it is arranged in a plane.
The 21 communication cables are arranged in parallel in the order of 3, 5, 5, 5, and 3 from the left when viewed from the left in the lateral cross section of the collective cable 100, and are arranged in parallel in this order when viewed from the vertical. From the top, three, five, five, five, and three are arranged in parallel in this order.
That is, in both the horizontal direction and the vertical direction, the number of peripheral lines is smaller than the number of lines in the center, and the number of lines is the same in the order of arrangement.
　縦方向から見て２行目は左から通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂの順に並行に配列され、３行目は左から通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａの順に並行に配列され、４行目は左から通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂの順に並行に配列される。 When viewed from the vertical direction, the second line is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the left, and the third line is the communication cable 10a-communication cable 10b from the left. -Communication cable 10a-Communication cable 10b-Communication cable 10a are arranged in parallel, and the fourth line is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b from the left. NS.
　横方向から見て２列目は上から通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂの順に並行に配列され、３列目は上から通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａの順に並行に配列され、４列目は上から通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂ－通信ケーブル１０ａ－通信ケーブル１０ｂの順に並行に配列される。
　したがって、隣接する通信ケーブル１０ａ、１０ｂは横方向及び縦方向全てにおいて、、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置される。 When viewed from the side, the second row is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b, and the third row is communication cable 10a-communication cable 10b from the top. -Communication cable 10a-Communication cable 10b-Communication cable 10a are arranged in parallel, and the fourth row is arranged in parallel in the order of communication cable 10b-communication cable 10a-communication cable 10b-communication cable 10a-communication cable 10b. NS.
Therefore, the adjacent communication cables 10a and 10b are arranged in parallel in the horizontal and vertical directions in which the arrangement directions of the pair of signal conductors 11a and 11b are orthogonal to each other, that is, the line symmetric planes of the adjacent communication cables 10a and 10b. Are placed in parallel at right angles to each other.
　このように構成された実施の形態６に係る集合ケーブル１００においても、平面的に配置された縦方向及び横方向ともに、隣接する通信ケーブル１０ａ、１０ｂが、一対の信号導体１１ａ、１１ｂの配置方向が直交して並行に配置、つまり、隣接する通信ケーブル１０ａ、１０ｂの線対称面が互いに直交して並行に配置されたものとしたので、隣接する通信ケーブル１０ａ、１０ｂ間のクロストークを抑制でき、かつ複数本の通信ケーブル１０ａ、１０ｂの密度を高めることができるという効果を有する。 Also in the collective cable 100 according to the sixth embodiment configured in this way, the communication cables 10a and 10b adjacent to each other in both the vertical and horizontal directions arranged in a plane are arranged in the arrangement directions of the pair of signal conductors 11a and 11b. Are arranged orthogonally and in parallel, that is, the line symmetric planes of adjacent communication cables 10a and 10b are arranged orthogonally and parallel to each other, so that crosstalk between adjacent communication cables 10a and 10b can be suppressed. Moreover, it has an effect that the density of a plurality of communication cables 10a and 10b can be increased.
　なお、各実施の形態の自由な組み合わせ、あるいは各実施の形態の任意の構成要素の変形、もしくは各実施の形態において任意の構成要素の省略が可能である。 It should be noted that any combination of the embodiments can be freely combined, any component of each embodiment can be modified, or any component can be omitted in each embodiment.
　本開示に係る集合ケーブル１００は、伝搬する信号の帯域が１ＧＨｚを超える範囲で使用されるＬＡＮ用の通信ケーブルを複数束ねた集合ケーブルに用いるのが好適である。 The collective cable 100 according to the present disclosure is preferably used as a collective cable in which a plurality of LAN communication cables used in a range in which the band of the propagated signal exceeds 1 GHz is bundled.
　１００　集合ケーブル、１０ａ、１０ｂ　通信ケーブル、１１ａ、１１ｂ　信号導体、１２ａ、１２ｂ　第１の絶縁体、１３　第２の絶縁体、１４　保持体、２０　シース、３０　シールド導体、４０　保護用絶縁体。 100 collective cable, 10a, 10b communication cable, 11a, 11b signal conductor, 12a, 12b first insulator, 13 second insulator, 14 holder, 20 sheath, 30 shield conductor, 40 protective insulator.

Claims (7)

  1. 　それぞれが第１の絶縁体により被覆された一対の信号導体と、前記一対の信号導体を被覆する第２の絶縁体を有する通信ケーブルが複数本並行して配置されて束ねられ、
    　前記複数本の通信ケーブルにおける隣接する通信ケーブルは、前記一対の信号導体の配置方向が互いに直交して配置された集合ケーブル。     A pair of signal conductors, each coated with a first insulator, and a plurality of communication cables having a second insulator covering the pair of signal conductors are arranged and bundled in parallel.
    The adjacent communication cables in the plurality of communication cables are collective cables in which the pair of signal conductors are arranged orthogonally to each other.
  2. 　前記複数本の通信ケーブルは、集合ケーブルの短手方向断面において、一直線的に配置された請求項１に記載の集合ケーブル。 The collective cable according to claim 1, wherein the plurality of communication cables are arranged in a straight line in a cross section in the lateral direction of the collective cable.
  3. 　前記複数本の通信ケーブルは、集合ケーブルの短手方向断面において、平面的に配置された請求項１に記載の集合ケーブル。 The collective cable according to claim 1, wherein the plurality of communication cables are arranged in a plane in a cross section in the lateral direction of the collective cable.
  4. 　前記複数本の通信ケーブルそれぞれは、前記第１の絶縁体と前記第２の絶縁体との隙間に、前記第１の絶縁体と前記第２の絶縁体と密接して配置され、前記一対の信号導体の間の距離を維持する、絶縁物からなる保持体を備えた請求項１から請求項３のいずれか１項に記載の集合ケーブル。 Each of the plurality of communication cables is arranged in close contact with the first insulator and the second insulator in the gap between the first insulator and the second insulator, and the pair of communication cables are arranged in close contact with each other. The collective cable according to any one of claims 1 to 3, further comprising a retainer made of an insulator that maintains a distance between signal conductors.
  5. 　前記一対の信号導体それぞれは、複数本の導体線により構成された請求項１から請求項４のいずれか１項に記載の集合ケーブル。 The collective cable according to any one of claims 1 to 4, wherein each of the pair of signal conductors is composed of a plurality of conductor wires.
  6. 　前記複数の通信ケーブルを被覆し、前記複数の通信ケーブルを保護するシースを備えた請求項１から請求項５のいずれか１項に記載の集合ケーブル。 The collective cable according to any one of claims 1 to 5, further comprising a sheath that covers the plurality of communication cables and protects the plurality of communication cables.
  7. 　前記シースの周囲を被覆するシールド導体を備えた請求項６に記載の集合ケーブル。 The collective cable according to claim 6, further comprising a shield conductor that covers the periphery of the sheath.
PCT/JP2020/016902 2020-04-17 2020-04-17 Cable assembly WO2021210169A1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09288915A (en) * 1996-04-24 1997-11-04 Hitachi Cable Ltd Fluorine-containing-elastomer-covered wire or cable
US6566607B1 (en) * 1999-10-05 2003-05-20 Nordx/Cdt, Inc. High speed data communication cables
JP2014191883A (en) * 2013-03-26 2014-10-06 Hitachi Metals Ltd LAN cable
US9099220B2 (en) * 2010-08-27 2015-08-04 Belden Inc. Flat type cable for high frequency applications
JP2020017436A (en) * 2018-07-26 2020-01-30 株式会社フジクラ Twist pair cable, and communication cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09288915A (en) * 1996-04-24 1997-11-04 Hitachi Cable Ltd Fluorine-containing-elastomer-covered wire or cable
US6566607B1 (en) * 1999-10-05 2003-05-20 Nordx/Cdt, Inc. High speed data communication cables
US9099220B2 (en) * 2010-08-27 2015-08-04 Belden Inc. Flat type cable for high frequency applications
JP2014191883A (en) * 2013-03-26 2014-10-06 Hitachi Metals Ltd LAN cable
JP2020017436A (en) * 2018-07-26 2020-01-30 株式会社フジクラ Twist pair cable, and communication cable

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