CN85109060A - 光缆 - Google Patents

光缆 Download PDF

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Publication number
CN85109060A
CN85109060A CN85109060.5A CN85109060A CN85109060A CN 85109060 A CN85109060 A CN 85109060A CN 85109060 A CN85109060 A CN 85109060A CN 85109060 A CN85109060 A CN 85109060A
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CN
China
Prior art keywords
optical cable
strength core
core components
around
pod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN85109060.5A
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English (en)
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CN1004588B (zh
Inventor
艾伦·詹姆斯·皮科克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telephone Cables Ltd
Original Assignee
Telephone Cables Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telephone Cables Ltd filed Critical Telephone Cables Ltd
Publication of CN85109060A publication Critical patent/CN85109060A/zh
Publication of CN1004588B publication Critical patent/CN1004588B/zh
Expired legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/4434—Central member to take up tensile loads
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4407—Optical cables with internal fluted support member
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/441—Optical cables built up from sub-bundles
    • G02B6/4413—Helical structure

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Communication Cables (AREA)

Abstract

为在用于气密系统的光缆中提供额外气流空间，高强芯部件外面涂上其表面具有纵槽的塑料层。光学部件包括一个或多个光学纤维宽松地置于一管中，然后将管绞绕于高强芯的周围。

Description

本发明涉及至具有一光学部件之类型的光缆，它螺旋状地绕于一高强芯部件（central    strength    member）并其外包有一外保护层，所说光学部件的每一均包括一个或多个宽松地置于一管内的光学纤维。这种光缆将在其后被称为“已述型”（of    the    type    specified）光缆。
已述型光缆尤其适于安装于气密系统中。然而，在此种系统中，中继站间的距离须使其间的空气阻力最小。因而本发明的目的为在光缆内提供额外空间，以便空气沿光缆纵轴方向流动，光缆之外层由绞合光学部件间气隙提供气路。
本发明提供已述型光缆，其中高强芯部件上涂有一其表面具有纵向槽的塑料层，纵向槽提供气体通路。
塑料层最好沿高强芯部件四周向外凸出。光缆也可包括最少一个电导体，它也螺旋地绕于高强芯部件上。光缆也可包括多个光学部件和电导体，它们交互地绞在一起，导体可为塑料绝缘的铜导体，它可为单线一股，二线一股或四线一股。
在外保护层外还可有一层。
根据本发明的一光缆的一实施方案将通过一实例并参考附图充分描述。所说光缆包括多个光学纤维1，它们宽松地置于塑料管2内，构成光学部件。在本实施方案中，一塑料管中有三光学纤维1，图中共示出九个塑料管。
塑料管2螺旋状地绕一高强芯部件3上，高强芯部件3涂有一塑料凸出4，沿其纵向有若干纵槽5。纵槽5使沿光缆流动的空气多于沿塑料管2间气隙流动的空气。
塑料管2绞合在高强芯部件3的四周，该管2最后置于最少一保护层6内。虽然仅示出一保护层，但当然也可根据需要采用具有不同特性的保护层。
一或多个光学部件可由电导体代替，它可为具有任何所需形状的绝缘铜导体，当然最好具有与光学部件一样的外直径。

Claims (4)

1、一具有一或多个光学部件的光缆，它螺旋状地绕于一高强芯部件并外包一外保护层，其特征为高强芯部件外涂有一表面纵槽的塑料层纵槽为气体提供通路。
2、权利要求1中所要求的光缆还包括一或多个同样螺旋状地绕于高强芯部件的导体。
3、权利要求2所要求的光缆还包括多个光学部件和多个电导体，它们相互绕在一起。
4、上述一权利要求的光缆，其中带槽塑料层沿高强芯部件向外凸出。
CN85109060.5A 1984-12-19 1985-12-14 光缆 Expired CN1004588B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8432122 1984-12-19
GB848432122A GB8432122D0 (en) 1984-12-19 1984-12-19 Optical cables

Publications (2)

Publication Number Publication Date
CN85109060A true CN85109060A (zh) 1986-06-10
CN1004588B CN1004588B (zh) 1989-06-21

Family

ID=10571465

Family Applications (1)

Application Number Title Priority Date Filing Date
CN85109060.5A Expired CN1004588B (zh) 1984-12-19 1985-12-14 光缆

Country Status (4)

Country Link
EP (1) EP0186992B1 (zh)
CN (1) CN1004588B (zh)
DE (1) DE3572041D1 (zh)
GB (2) GB8432122D0 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784461A (en) * 1986-11-04 1988-11-15 Northern Telecom Limited Optical cable with improved strength
US5157752A (en) * 1991-10-24 1992-10-20 Northern Telecom Limited Optical fiber cable with intermingled water blocking means and method of making same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805276A (en) * 1951-06-22 1957-09-03 Western Electric Co High-frequency transmission cables
GB1043234A (en) * 1962-06-20 1966-09-21 Ass Elect Ind Improvements relating to electric cables
DE2163351A1 (de) * 1971-12-21 1973-06-28 Bbc Brown Boveri & Cie Biegsames einleiter-stromkabel
FR2388931A1 (fr) * 1977-04-27 1978-11-24 Lignes Telegraph Telephon Procede de fabrication d'elements de cablage comportant des fibres optiques par machine verticale
GB1601003A (en) * 1978-03-15 1981-10-21 Bicc Ltd Optical cable
JPS54130037A (en) * 1978-03-31 1979-10-09 Kokusai Denshin Denwa Co Ltd Optical fiber sea bottom cable and method of fabricating same
CA1093877A (en) * 1978-06-07 1981-01-20 Frederick D. King Optical waveguide cables
DE2855588A1 (de) * 1978-12-22 1980-07-03 Aeg Telefunken Kabelwerke Kabelanlage fuer nachrichten- und datenuebertragung
FR2460492A1 (fr) * 1979-06-28 1981-01-23 Cables De Lyon Geoffroy Delore Cable sous-marin a fibres optiques
FR2497963A1 (fr) * 1981-01-09 1982-07-16 Cables De Lyon Geoffroy Delore Procede de fabrication de cable a fibres optiques
CA1185468A (en) * 1981-10-06 1985-04-16 Northern Telecom Limited Optical cables
GB2123164B (en) * 1982-06-11 1986-01-15 Standard Telephones Cables Ltd Optical fibre cables
DE3225581C2 (de) * 1982-07-08 1986-09-11 Siemens AG, 1000 Berlin und 8000 München Nachrichtenkabel für Druckgasüberwachung
GB2123978B (en) * 1982-07-12 1985-09-11 Telephone Cables Ltd Optical fibre cable

Also Published As

Publication number Publication date
DE3572041D1 (en) 1989-09-07
CN1004588B (zh) 1989-06-21
EP0186992B1 (en) 1989-08-02
GB2169098A (en) 1986-07-02
GB2169098B (en) 1988-09-14
GB8432122D0 (en) 1985-01-30
GB8530480D0 (en) 1986-01-22
EP0186992A1 (en) 1986-07-09

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