JP2012084434A - Laminated flat harness - Google Patents

Laminated flat harness Download PDF

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Publication number
JP2012084434A
JP2012084434A JP2010230680A JP2010230680A JP2012084434A JP 2012084434 A JP2012084434 A JP 2012084434A JP 2010230680 A JP2010230680 A JP 2010230680A JP 2010230680 A JP2010230680 A JP 2010230680A JP 2012084434 A JP2012084434 A JP 2012084434A
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flat cable
core
laminated
flat
thickness direction
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JP5535027B2 (en
Inventor
Kenji Enomoto
憲嗣 榎本
Masanori Yamazaki
正則 山▲崎▼
Sachiyuki Hirayama
祥之 平山
Manabu Kojima
学 小島
Yasushi Higashida
康司 東田
Takenobu Miura
武宣 三浦
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Furukawa Electric Co Ltd
Furukawa Automotive Systems Inc
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Furukawa Electric Co Ltd
Furukawa Automotive Systems Inc
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • H01B13/01254—Flat-harness manufacturing
    • 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
    • H01B7/0009—Details relating to the conductive cores
    • H01B7/0018—Strip or foil conductors

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  • Insulated Conductors (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

PROBLEM TO BE SOLVED: To achieve suitable shield performance without using a metal shield pipe, and also to facilitate routing.SOLUTION: A laminated flat harness 1 comprises in a manner laminated in the thickness direction: two outer flat cables 4, 4 on the upper and lower sides each of which is made of wide conductors 7, 7 for high current or a ground circuit arranged in parallel in a belt-like insulation coating 8 with a predetermined gap in the width direction; a multi-core flat cable 5 which is arranged between the outer flat cables 4, 4, and which is made by laminating, in the thickness direction, five-core flat cables 9 including narrow conductors 10, 10 for a current circuit or a signal circuit arranged in parallel in a belt-like insulation coating 11 with a predetermined gap in the width direction; and insulation spacers 6, 6 each of which is interposed between the outer flat cables 4, 4 and the multi-core flat cable 5, and which have a relative permeability of 1 or higher and a relative dielectric constant of 3 or higher.

Description

本発明は、複数のフラットケーブルを厚み方向に積層して構成される積層フラットハーネスの構成に関する。   The present invention relates to a configuration of a laminated flat harness constituted by laminating a plurality of flat cables in the thickness direction.

例えば自動車のスライドドアの給電装置等には、丸線のワイヤハーネスに比べて高い屈曲性を有するフラットケーブルが用いられるが、このフラットケーブルを厚み方向に複数積層した積層フラットハーネスとして自動車内に配索することもある。このような積層フラットハーネスにおいても、高周波電流による電磁ノイズの影響を防止するためにシールドが必要な場合があるが、このシールド手段として、例えば特許文献１には、ワイヤハーネスの中間部を金属製のパイプからなるメインシールド部で被覆し、インバータ装置と接続される端部には、筒状網組部材と接続用パイプとを含む変形可能なサブシールド部で被覆するシールド管の構成が開示されている。また、特許文献２には、ワイヤハーネスを被覆する金属製の筒状部材の端部に螺旋状の接続ネジ部を形成し、これをコネクタハウジングの導入部に形成された雌ネジ部に螺合させて接続するシールド管の構成が開示されている。なお、筒状部材の間には、屈曲用蛇腹部を断続的に形成して、ワイヤハーネスの経路に沿って任意に屈曲可能としている。   For example, a power supply device for a sliding door of an automobile uses a flat cable having higher flexibility than a round wire harness. However, the flat cable is arranged in the automobile as a laminated flat harness in which a plurality of flat cables are laminated in the thickness direction. There is also a search. Even in such a laminated flat harness, there is a case where a shield is necessary to prevent the influence of electromagnetic noise due to a high-frequency current. As this shielding means, for example, in Patent Document 1, an intermediate portion of a wire harness is made of metal. A configuration of a shield pipe covered with a deformable sub-shield part including a cylindrical netting member and a connecting pipe is disclosed at an end part connected with the inverter device and covered with a main shield part made of a pipe. ing. In Patent Document 2, a spiral connection screw portion is formed at an end portion of a metal cylindrical member covering the wire harness, and this is screwed into a female screw portion formed at an introduction portion of the connector housing. The structure of the shield pipe to be connected is disclosed. In addition, the bellows part for bending is intermittently formed between the cylindrical members, and can be arbitrarily bent along the path of the wire harness.

特開２００４−１７１９５２号公報JP 2004-171952 A 特開２００９−１２３４６１号公報JP 2009-123461 A

上記従来のシールド管は金属製であるため、重量が大きくて取り扱い性が悪く、車両の床下等に沿わせて取り付ける際には、ブラケット等の取付部材を介して取り付ける必要があって配置スペースも大きくなっていた。また、定位置に高精度の取り付けが要求されることで作業に手間も掛かっていた。さらに、蛇腹部を設けたりしても柔軟性には限界があるため、一定の車種に適用が制限され、汎用性が低くなっていた。
特に、配索対象が積層フラットハーネスの場合、全体の断面形状が矩形や四角形となるため、シールド管の形成や屈曲が難しく、金属製のシールド管によるシールドが困難となっていた。 Since the above conventional shield tube is made of metal, it is heavy and unhandled, and when it is installed along the floor of the vehicle, it must be attached via an attachment member such as a bracket, and the installation space is also large. It was getting bigger. In addition, since high-precision mounting is required at a fixed position, work is troublesome. Furthermore, even if the bellows portion is provided, there is a limit in flexibility, so that application is limited to a certain vehicle type, and versatility is low.
In particular, when the wiring object is a laminated flat harness, the entire cross-sectional shape is rectangular or quadrangular, so that it is difficult to form and bend the shield tube, and it is difficult to shield with a metal shield tube.

そこで、本発明は、金属製のシールド管を用いなくても好適なシールド性能が得られ、配索も容易に行えて汎用性にも優れる積層フラットハーネスを提供することを目的としたものである。   Accordingly, an object of the present invention is to provide a laminated flat harness that can obtain suitable shielding performance without using a metal shield tube, can be easily routed, and is excellent in versatility. .

上記目的を達成するために、請求項１に記載の発明は、帯状の絶縁被覆内に大電流用或いはアース回路用の幅広導体を２芯以上幅方向に所定間隔をおいて並設してなる上下２つの外側フラットケーブルと、両外側フラットケーブルの間に配置され、帯状の絶縁被覆内に電流回路或いは信号回路用の幅狭導体を２芯以上幅方向に所定間隔をおいて並設したフラットケーブルをその厚み方向に複数積層してなる多芯コアフラットケーブルと、各外側フラットケーブルと多芯コアフラットケーブルとの間にそれぞれ介在され、比透磁率１以上、比誘電率３以上の絶縁スペーサと、を厚み方向に積層したことを特徴とするものである。
上記目的を達成するために、請求項２に記載の発明は、帯状の絶縁被覆内に大電流用或いはアース回路用の幅広導体を２芯以上幅方向に所定間隔をおいて並設してなる上下２つの外側フラットケーブルと、両外側フラットケーブルの間に配置され、帯状の絶縁被覆内に電流回路或いは信号回路用の幅狭導体を幅方向及び厚み方向にそれぞれ２芯以上所定間隔をおいて並設してなる多芯コアフラットケーブルと、各外側フラットケーブルと多芯コアフラットケーブルとの間にそれぞれ介在され、比透磁率１以上、比誘電率３以上の絶縁スペーサと、を厚み方向に積層したことを特徴とするものである。
請求項３に記載の発明は、請求項１又は２の構成において、平面視で外側フラットケーブルの幅広導体の全体幅内に、多芯コアフラットケーブルの幅狭導体が少なくとも２芯以上収まるようにしたことを特徴とするものである。
請求項４に記載の発明は、請求項１乃至３の何れかの構成において、積層された外側フラットケーブルと多芯コアフラットケーブルと絶縁スペーサとの全体外周をシート状或いはネット状の絶縁体で覆うことを特徴とするものである。
請求項５に記載の発明は、請求項１乃至４の何れかの構成において、積層された外側フラットケーブルと多芯コアフラットケーブルと絶縁スペーサとを蛇腹構造の合成樹脂管に挿通させたことを特徴とするものである。 In order to achieve the above object, the invention described in claim 1 is characterized in that a wide conductor for a large current or a ground circuit is arranged in parallel in a band-shaped insulating coating at predetermined intervals in the width direction. Flat which is arranged between two upper and lower outer flat cables and both outer flat cables, and a narrow conductor for a current circuit or a signal circuit is arranged in parallel at a predetermined interval in the width direction in a strip-shaped insulation coating. Insulating spacers having a relative magnetic permeability of 1 or more and a relative dielectric constant of 3 or more, each of which is interposed between a multi-core flat cable formed by laminating a plurality of cables in the thickness direction, and each outer flat cable and the multi-core flat cable. Are laminated in the thickness direction.
In order to achieve the above object, the invention according to claim 2 is formed by arranging two or more wide conductors for a large current or a ground circuit in a strip-shaped insulating coating in parallel at a predetermined interval in the width direction. It is arranged between two upper and lower outer flat cables, and both outer flat cables, and a narrow conductor for a current circuit or a signal circuit is placed in a strip-shaped insulation coating at a predetermined interval of two or more cores in the width direction and the thickness direction, respectively. A multicore core flat cable arranged in parallel, and an insulating spacer interposed between each outer flat cable and the multicore core flat cable, each having a relative permeability of 1 or more and a relative permittivity of 3 or more in the thickness direction. It is characterized by being laminated.
According to a third aspect of the present invention, in the configuration of the first or second aspect, at least two or more narrow conductors of the multicore core flat cable can be accommodated in the entire width of the wide conductor of the outer flat cable in a plan view. It is characterized by that.
According to a fourth aspect of the present invention, in the configuration of any one of the first to third aspects, the entire outer periphery of the laminated outer flat cable, multi-core flat cable, and insulating spacer is made of a sheet-like or net-like insulator. It is characterized by covering.
According to a fifth aspect of the present invention, in the configuration of any one of the first to fourth aspects, the laminated outer flat cable, multi-core flat cable, and insulating spacer are inserted through a synthetic resin tube having a bellows structure. It is a feature.

請求項１及び２に記載の発明によれば、金属管や金属網組等のシールド部材を用いなくてもシールド効果を得ることができる。
また、厚み方向で可撓性を維持しているので、自動車内での配索も容易に行えて汎用性にも優れたものとなる。
請求項３に記載の発明によれば、請求項１又は２の効果に加えて、より好適なシールド性能を得ることができる。
請求項４に記載の発明によれば、請求項１乃至３の何れかの効果に加えて、絶縁体の採用によって絶縁の信頼性が高まる。
請求項５に記載の発明によれば、請求項１乃至４の何れかの効果に加えて、外管の採用により、積層体が保護されて取り扱い性が向上する。 According to invention of Claim 1 and 2, even if it does not use shield members, such as a metal pipe and a metal net assembly, a shielding effect can be acquired.
In addition, since flexibility is maintained in the thickness direction, the wiring in the automobile can be easily performed and the versatility is excellent.
According to invention of Claim 3, in addition to the effect of Claim 1 or 2, more suitable shield performance can be obtained.
According to the invention described in claim 4, in addition to the effect of any one of claims 1 to 3, the reliability of the insulation is enhanced by the use of the insulator.
According to the fifth aspect of the present invention, in addition to the effect of any one of the first to fourth aspects, the adoption of the outer tube protects the laminate and improves the handleability.

形態１の積層フラットハーネスの説明図である。It is explanatory drawing of the lamination | stacking flat harness of the form 1. FIG. 形態１の積層フラットハーネスの横断面図である。It is a cross-sectional view of the laminated flat harness of Mode 1. 形態２の積層フラットハーネスの横断面図である。It is a cross-sectional view of the laminated flat harness of form 2. （Ａ）〜（Ｃ）はそれぞれ比較例の積層フラットハーネスの横断面図である。(A)-(C) is a cross-sectional view of the lamination | stacking flat harness of a comparative example, respectively. シールド性能の測定結果を示すグラフである。It is a graph which shows the measurement result of shield performance.

以下、本発明の実施の形態を図面に基づいて説明する。
［形態１］
図１，２に積層フラットハーネスの一例を示す。積層フラットハーネス１において、２は横断面が扁平矩形状となる外管で、一般にコルゲートチューブと称される蛇腹構造の合成樹脂管の一方の短手面に、長手方向の全長に亘ってスリット３を形成したものである。これにより、スリット３のある短手面が合成樹脂の弾性を利用して開閉可能となる。
外管２の内部には、上下一対の外側フラットケーブル４，４と、両外側フラットケーブル４，４の間に配置される多芯コアフラットケーブル５と、両外側フラットケーブル４，４と多芯コアフラットケーブル５との間に介在される絶縁スペーサ６，６とが、厚み方向（図１，２の上下方向）に積層された状態で挿通している。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Form 1]
An example of a laminated flat harness is shown in FIGS. In the laminated flat harness 1, reference numeral 2 denotes an outer tube having a flat rectangular cross section. A slit 3 extends over the entire length in the longitudinal direction on one short surface of a synthetic resin tube having a bellows structure generally called a corrugated tube. Is formed. Thereby, the short side with the slit 3 can be opened and closed using the elasticity of the synthetic resin.
Inside the outer tube 2 are a pair of upper and lower outer flat cables 4, 4, a multicore core flat cable 5 disposed between both outer flat cables 4, 4, and both outer flat cables 4, 4 and multicore. Insulating spacers 6 and 6 interposed between the core flat cable 5 are inserted in a state where they are stacked in the thickness direction (vertical direction in FIGS. 1 and 2).

まず、外側フラットケーブル４は、板状である一対の幅広導体７，７を左右（図１，２の左右方向）に並設してその周囲を絶縁被覆８で被覆した帯状で、大電流用或いはアース回路用に使用される。
また、多芯コアフラットケーブル５は、板状である５つの幅狭導体１０，１０・・を等間隔で左右に並設してその周囲を絶縁被覆１１で被覆した帯状の５芯フラットケーブル９，９・・を厚み方向に４枚積層して形成されている。この多芯フラットケーブル５は、電流回路或いは信号回路用に使用される。
そして、絶縁スペーサ６は、ポリエチレンやポリプロピレン等の合成樹脂製のシート又はネット状のもので、比透磁率μs（絶縁スペーサの透磁率μと真空の透磁率μＯとの比）が１以上、比誘電率εr（絶縁スペーサの誘電率εと真空の誘電率εＯとの比）が３以上のものが使用される。 First, the outer flat cable 4 is in the form of a strip in which a pair of wide conductors 7 and 7 having a plate shape are arranged side by side in the left and right directions (the left and right directions in FIGS. 1 and 2) and the periphery thereof is covered with an insulating coating 8. Or it is used for an earth circuit.
The multi-core flat cable 5 is a strip-shaped 5-core flat cable 9 in which five narrow conductors 10, 10... Are arranged side by side at equal intervals and the periphery thereof is covered with an insulating coating 11. , 9... Are stacked in the thickness direction. This multi-core flat cable 5 is used for a current circuit or a signal circuit.
The insulating spacer 6 is a sheet or net made of a synthetic resin such as polyethylene or polypropylene, and has a relative magnetic permeability μs (ratio of the magnetic permeability μ of the insulating spacer and the magnetic permeability μ O of vacuum) of 1 or more. Those having a relative dielectric constant εr (ratio of dielectric constant ε of insulating spacer and dielectric constant ε O of vacuum) of 3 or more are used.

こうして上下の外側フラットケーブル４，４の間に絶縁スペーサ６，６を介して多芯コアフラットケーブル５を配置した状態で、全体をさらに合成樹脂製のシート状或いはネット状の絶縁体１２で覆って一つの積層体とし、この積層体をスリット３を介して外管２内に納めれば、積層フラットハーネス１が得られる。
この状態で、ここでは外側フラットケーブル４の２つの幅広導体７，７を合わせた左右の全体幅Ｈ内に、平面視で多芯コアフラットケーブル５の全ての幅狭導体１０，１０・・が収まるようになっている。 In this way, the multi-core core flat cable 5 is disposed between the upper and lower outer flat cables 4 and 4 via the insulating spacers 6 and 6, and the whole is further covered with a synthetic resin sheet-like or net-like insulator 12. If this laminated body is placed in the outer tube 2 through the slit 3, the laminated flat harness 1 can be obtained.
In this state, all the narrow conductors 10, 10,... Of the multi-core flat cable 5 are seen in plan view within the overall left and right width H of the two wide conductors 7, 7 of the outer flat cable 4. It comes to fit.

以上の如く構成された積層フラットハーネス１においては、帯状の絶縁被覆８内に大電流用或いはアース回路用の幅広導体７，７を幅方向に所定間隔をおいて並設してなる上下２つの外側フラットケーブル４，４と、外側フラットケーブル４，４の間に配置され、帯状の絶縁被覆１１内に電流回路或いは信号回路用の幅狭導体１０，１０を幅方向に所定間隔をおいて並設した５芯フラットケーブル９をその厚み方向に積層してなる多芯コアフラットケーブル５と、外側フラットケーブル４と多芯コアフラットケーブル５との間にそれぞれ介在され、比透磁率１以上、比誘電率３以上の絶縁スペーサ６，６とを厚み方向に積層したことで、金属管や金属網組等のシールド部材を用いなくてもシールド効果を得ることができる。
また、厚み方向で可撓性を維持しているので、自動車内での配索も容易に行えて汎用性にも優れたものとなる。 In the laminated flat harness 1 configured as described above, two wide conductors 7, 7 for large current or ground circuit are arranged in parallel at a predetermined interval in the width direction in a strip-shaped insulation coating 8. The outer flat cables 4, 4 are arranged between the outer flat cables 4, 4, and the narrow conductors 10, 10 for the current circuit or signal circuit are arranged in the strip-shaped insulating coating 11 at a predetermined interval in the width direction. The multi-core flat cable 5 formed by laminating the provided 5-core flat cable 9 in the thickness direction, and the outer flat cable 4 and the multi-core flat cable 5 are respectively interposed, and have a relative magnetic permeability of 1 or more. By laminating insulating spacers 6 and 6 having a dielectric constant of 3 or more in the thickness direction, a shielding effect can be obtained without using a shielding member such as a metal tube or a metal net assembly.
In addition, since flexibility is maintained in the thickness direction, the wiring in the automobile can be easily performed and the versatility is excellent.

特にここでは、平面視で外側フラットケーブル４の幅広導体７，７の全体幅Ｈ内に、多芯コアフラットケーブル５の幅狭導体１０が全て収まるようにしているので、より好適なシールド性能を得ることができる。
また、外側フラットケーブル４と多芯コアフラットケーブル５と絶縁スペーサ６との積層体の全周を絶縁体１２で覆っているので、絶縁の信頼性が高まり、さらに外管２に挿通したことで、積層体が保護されて取り扱い性も向上する。 In particular, since the narrow conductors 10 of the multi-core flat cable 5 are all contained within the overall width H of the wide conductors 7 and 7 of the outer flat cable 4 in plan view, more favorable shielding performance can be obtained. Obtainable.
In addition, since the entire circumference of the laminate of the outer flat cable 4, the multi-core flat cable 5 and the insulating spacer 6 is covered with the insulator 12, the reliability of the insulation is improved and the outer tube 2 is inserted into the outer tube 2. The laminate is protected and the handleability is improved.

［形態２］
次に、本発明の他の形態を説明する。但し、形態１と同じ構成部には同じ符号を付して重複する説明は省略する。
図３に示す積層フラットハーネス１ａにおいては、多芯コアフラットケーブル１３の構成が形態１と異なる。ここで使用される多芯コアフラットケーブル１３は、板状の幅狭導体１４，１４・・を所定間隔で左右方向にに４つ、上下方向に４つそれぞれ並設してその周囲を絶縁被覆１５で帯状に被覆してなる１６芯のフラットケーブルとなっている。この多芯フラットケーブル１３も電流回路或いは信号回路用に使用される。この状態で、ここでは外側フラットケーブル４の２つの幅広導体７，７を合わせた左右の全体幅Ｈ内に、多芯コアフラットケーブル１３の中心側の左右２列の幅狭導体１４，１４が収まるようになっている。 [Form 2]
Next, another embodiment of the present invention will be described. However, the same components as those in the first embodiment are denoted by the same reference numerals and redundant description is omitted.
In the laminated flat harness 1 a shown in FIG. 3, the configuration of the multicore core flat cable 13 is different from that of the first embodiment. The multi-core flat cable 13 used here has four plate-like narrow conductors 14, 14... Arranged at predetermined intervals in the left-right direction and four in the up-down direction, and the periphery is insulated. 15 is a 16-core flat cable coated in a strip shape. This multi-core flat cable 13 is also used for a current circuit or a signal circuit. In this state, here, the two narrow left and right conductors 14 and 14 on the center side of the multi-core flat cable 13 are within the overall left and right width H of the two wide conductors 7 and 7 of the outer flat cable 4. It comes to fit.

以上の如く構成された積層フラットハーネス１ａにおいても、帯状の絶縁被覆８内に大電流用或いはアース回路用の幅広導体７，７を幅方向に所定間隔をおいて並設してなる上下２つの外側フラットケーブル４，４と、両外側フラットケーブル４，４の間に配置され、帯状の絶縁被覆１１内に電流回路或いは信号回路用の幅狭導体１０を幅方向及び厚み方向にそれぞれ４芯ずつ所定間隔をおいて並設してなる多芯コアフラットケーブル１３と、各外側フラットケーブル４と多芯コアフラットケーブル１３との間にそれぞれ介在され、比透磁率１以上、比誘電率３以上の絶縁スペーサ６，６と、を厚み方向に積層したことで、金属管や金属網組等のシールド部材を用いなくてもシールド効果を得ることができる。
また、厚み方向で可撓性を維持しているので、自動車内での配索も容易に行えて汎用性にも優れたものとなる。 Also in the laminated flat harness 1a configured as described above, two upper and lower wide conductors 7 and 7 are arranged in parallel in the width direction at a predetermined interval in the strip-shaped insulating coating 8 in the width direction. The outer flat cables 4 and 4 are arranged between the outer flat cables 4 and 4, and a narrow conductor 10 for a current circuit or a signal circuit is disposed in a strip-shaped insulating coating 11 in four cores in the width direction and the thickness direction, respectively. A multicore core flat cable 13 arranged in parallel at a predetermined interval, and interposed between each outer flat cable 4 and the multicore core flat cable 13, each having a relative permeability of 1 or more and a relative permittivity of 3 or more. Since the insulating spacers 6 and 6 are laminated in the thickness direction, a shielding effect can be obtained without using a shielding member such as a metal tube or a metal net assembly.
In addition, since flexibility is maintained in the thickness direction, the wiring in the automobile can be easily performed and the versatility is excellent.

なお、上記形態１において、多芯コアフラットケーブルを形成するフラットケーブルの幅狭導体は５芯に限らないし、積層するフラットケーブルの数も適宜変更可能である。同様に形態２の多芯コアフラットケーブルも、幅狭導体の上下左右の配列数や形状は変更して差し支えない。
また、上記形態１，２に共通して、外側フラットケーブルの幅広導体の数や幅、絶縁スペーサの形態等も適宜変更可能である。さらに、積層体を覆う絶縁体や外管は省略することもできる。 In the first aspect, the narrow conductor of the flat cable forming the multi-core flat cable is not limited to five cores, and the number of flat cables to be stacked can be changed as appropriate. Similarly, in the multi-core flat cable of the form 2, the number and shape of the narrow conductors in the vertical and horizontal directions may be changed.
In addition, in common with the first and second embodiments, the number and width of the wide conductors of the outer flat cable, the configuration of the insulating spacer, and the like can be appropriately changed. Furthermore, an insulator and an outer tube that cover the laminated body can be omitted.

外側フラットケーブルとして、７ｍｍ幅、０．１４ｍｍ厚の幅広導体を２枚並設した２芯フラットケーブルを２枚使用し、この２芯フラットケーブルの間に、１．８ｍｍ幅、０．１４ｍｍ厚の幅狭導体を５枚並設した５芯フラットケーブルを４枚積層してなる多芯コアフラットケーブルを配置し、外管として平型コルゲートチューブを、絶縁スペーサとしてネット状のポリプロピレンを使用して積層フラットハーネス（ａ）を作製した。
また、外側フラットケーブルとして、７ｍｍ幅、０．１４ｍｍ厚の幅広導体を２枚並設した２芯フラットケーブルを２枚使用し、この２芯フラットケーブルの間に、多芯コアフラットケーブルとして、１．８ｍｍ幅、０．１４ｍｍ厚の幅狭導体を上下左右に４列ずつ並設した１６芯フラットケーブルを配置し、外管として平型コルゲートチューブを、絶縁スペーサとしてネット状のポリプロピレンを使用して積層フラットハーネス（ｂ）を作製した。 As the outer flat cable, two two-core flat cables in which two wide conductors having a width of 7 mm and a thickness of 0.14 mm are arranged are used, and a 1.8 mm width and a thickness of 0.14 mm are interposed between the two-core flat cables. A multi-core flat cable, which is a stack of four 5-core flat cables with 5 narrow conductors arranged side by side, is placed, using a flat corrugated tube as the outer tube and a net-like polypropylene as the insulating spacer. A flat harness (a) was produced.
In addition, as the outer flat cable, two 2-core flat cables having two wide conductors of 7 mm width and 0.14 mm thickness arranged in parallel are used, and a multi-core flat cable between the 2-core flat cables is 1 A 16-core flat cable in which 4 rows of narrow conductors with a width of 8 mm and a thickness of 0.14 mm are arranged side by side in four rows, up and down, left and right, flat corrugated tubes as outer tubes, and net-like polypropylene as insulating spacers A laminated flat harness (b) was produced.

一方、比較例として、積層フラットハーネス（ａ）の構造に対して、図４（Ａ）に示すように上側の外側フラットケーブル４の幅広導体７を幅方向の中心に１芯のみ設けた積層フラットハーネス（ｃ）と、同図（Ｂ）に示すように上下の外側フラットケーブル４，４の幅広導体７を幅方向の一方に偏らせてそれぞれ１芯のみ設けた積層フラットハーネス（ｄ）と、同図（Ｃ）に示すように上下の外側フラットケーブル４，４の幅広導体７，７を互いに異なる幅方向の一方に偏らせてそれぞれ１芯のみ設けた積層フラットハーネス（ｅ）とをそれぞれ作製し、各シールド性能を比較した、測定結果を図５に示す。   On the other hand, as a comparative example, with respect to the structure of the laminated flat harness (a), as shown in FIG. 4 (A), a laminated flat in which the wide conductor 7 of the upper outer flat cable 4 is provided in the center in the width direction. Harness (c) and a laminated flat harness (d) in which the wide conductors 7 of the upper and lower outer flat cables 4 and 4 are biased to one side in the width direction as shown in FIG. As shown in FIG. 5C, the laminated flat harnesses (e) each having only one core are prepared by biasing the wide conductors 7 and 7 of the upper and lower outer flat cables 4 and 4 to one of the different width directions. And the measurement result which compared each shield performance is shown in FIG.

上記形態１，２の実施例である積層フラットハーネス（ａ）（ｂ）は何れも１０ｋＨｚ〜１ＧＨｚの帯域に亘って高いシールド性能を有しているが、比較例である積層フラットハーネス（ｃ）〜（ｅ）は、１０ＭＨｚ〜１ＧＨｚの高周波帯域でシールド性能が劣り（特に積層フラットハーネス（ｅ）では全周波数帯域に亘ってシールド性能が劣る）、十分なシールド性能が得られないことがわかった。   The laminated flat harnesses (a) and (b) which are examples of the above-described modes 1 and 2 have high shielding performance over a band of 10 kHz to 1 GHz, but the laminated flat harness (c) which is a comparative example. ~ (E) is inferior in shielding performance in a high frequency band of 10 MHz to 1 GHz (especially in laminated flat harness (e), the shielding performance is inferior over the entire frequency band), and it has been found that sufficient shielding performance cannot be obtained. .

１，１ａ・・積層フラットハーネス、２・・外管、３・・スリット、４・・外側フラットケーブル、５，１３・・多芯コアフラットケーブル、６・・絶縁スペーサ、７・・幅広導体、８，１１，１５・・絶縁被覆、９・・５芯フラットケーブル、１０，１４・・幅狭導体、１２・・絶縁体、Ｈ・・幅広導体の全体幅。   1, 1a ... Laminated flat harness 2. Outer tube 3. Slit 4. Outer flat cable 5,13 ... Multi-core flat cable 6, ... Insulating spacer 7 ... Wide conductor, 8, 11, 15 ... insulation coating, 9 ... 5-core flat cable, 10, 14 ... narrow conductor, 12 .... insulator, H ... wide conductor overall width.

Claims (5)

帯状の絶縁被覆内に大電流用或いはアース回路用の幅広導体を２芯以上幅方向に所定間隔をおいて並設してなる上下２つの外側フラットケーブルと、
両前記外側フラットケーブルの間に配置され、帯状の絶縁被覆内に電流回路或いは信号回路用の幅狭導体を２芯以上幅方向に所定間隔をおいて並設したフラットケーブルをその厚み方向に複数積層してなる多芯コアフラットケーブルと、
各前記外側フラットケーブルと多芯コアフラットケーブルとの間にそれぞれ介在され、比透磁率１以上、比誘電率３以上の絶縁スペーサと、
を厚み方向に積層したことを特徴とする積層フラットハーネス。 Two upper and lower outer flat cables formed by arranging two or more wide conductors for large current or ground circuit in a strip-shaped insulation coating in parallel in the width direction at a predetermined interval;
A plurality of flat cables arranged in the thickness direction between two outer flat cables and having two or more narrow conductors for current circuits or signal circuits arranged in parallel at a predetermined interval in the width direction in a strip-shaped insulation coating. Multi-core core flat cable made by stacking,
An insulating spacer interposed between each of the outer flat cable and the multi-core flat cable, having a relative permeability of 1 or more and a relative permittivity of 3 or more;
A laminated flat harness characterized by laminating layers in the thickness direction. 帯状の絶縁被覆内に大電流用或いはアース回路用の幅広導体を２芯以上幅方向に所定間隔をおいて並設してなる上下２つの外側フラットケーブルと、
両前記外側フラットケーブルの間に配置され、帯状の絶縁被覆内に電流回路或いは信号回路用の幅狭導体を幅方向及び厚み方向にそれぞれ２芯以上所定間隔をおいて並設してなる多芯コアフラットケーブルと、
各前記外側フラットケーブルと多芯コアフラットケーブルとの間にそれぞれ介在され、比透磁率１以上、比誘電率３以上の絶縁スペーサと、
を厚み方向に積層したことを特徴とする積層フラットハーネス。 Two upper and lower outer flat cables formed by arranging two or more wide conductors for large current or ground circuit in a strip-shaped insulation coating in parallel in the width direction at a predetermined interval;
A multi-core which is arranged between both the outer flat cables, and in which a narrow conductor for a current circuit or a signal circuit is arranged in parallel in the width direction and the thickness direction at a predetermined interval in the width direction and the thickness direction in a strip-shaped insulation coating. Core flat cable,
An insulating spacer interposed between each of the outer flat cable and the multi-core flat cable, having a relative permeability of 1 or more and a relative permittivity of 3 or more;
A laminated flat harness characterized by laminating layers in the thickness direction. 平面視で前記外側フラットケーブルの幅広導体の全体幅内に、前記多芯コアフラットケーブルの前記幅狭導体が少なくとも２芯以上収まるようにしたことを特徴とする請求項１又は２に記載の積層フラットハーネス。   3. The laminated structure according to claim 1, wherein the narrow conductor of the multi-core flat cable is accommodated in at least two cores within the entire width of the wide conductor of the outer flat cable in a plan view. Flat harness. 積層された前記外側フラットケーブルと多芯コアフラットケーブルと絶縁スペーサとの全体外周をシート状或いはネット状の絶縁体で覆うことを特徴とする請求項１乃至３の何れかに記載の積層フラットハーネス。   The laminated flat harness according to any one of claims 1 to 3, wherein the outer periphery of the laminated outer flat cable, multicore core flat cable, and insulating spacer is covered with a sheet-like or net-like insulator. . 積層された前記外側フラットケーブルと多芯コアフラットケーブルと絶縁スペーサとを蛇腹構造の合成樹脂管に挿通させたことを特徴とする請求項１乃至４の何れかに記載の積層フラットハーネス。   The laminated flat harness according to any one of claims 1 to 4, wherein the laminated outer flat cable, multicore core flat cable, and insulating spacer are inserted through a synthetic resin pipe having a bellows structure.
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