KR20210086206A - Rollable ribbon optical fiber and method for manufacturing the same - Google Patents

Rollable ribbon optical fiber and method for manufacturing the same Download PDF

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KR20210086206A
KR20210086206A KR1020190179989A KR20190179989A KR20210086206A KR 20210086206 A KR20210086206 A KR 20210086206A KR 1020190179989 A KR1020190179989 A KR 1020190179989A KR 20190179989 A KR20190179989 A KR 20190179989A KR 20210086206 A KR20210086206 A KR 20210086206A
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optical fiber
optical
optical fibers
rollable ribbon
rollable
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KR1020190179989A
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Korean (ko)
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조근식
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대한광통신 주식회사
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating

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  • Light Guides In General And Applications Therefor (AREA)

Abstract

Provided is a rollable ribbon optical fiber, which includes a connection member for connecting optical fibers of an optical fiber array along the longitudinal direction of the optical fibers. Some of the optical fibers of the optical fiber array are in contact with the adjacent optical fibers, and other parts of the optical fibers are not in contact with the adjacent optical fibers. No outermost surface of the optical fiber array is defined by the connection member. The rollable ribbon optical fiber can be reversibly wound 6 to 9 times with a width reduced by 50% or more compared to the unfolded state.

Description

롤러블 리본 광섬유 및 그 제조방법{Rollable ribbon optical fiber and method for manufacturing the same}Rollable ribbon optical fiber and method for manufacturing the same

본 발명은 광섬유 케이블에 관한 것으로서, 보다 상세하게는, 초고속 네트워크망에 적합한 고밀도 광섬유 (high density optical fiber) 실장이 가능하도록 광섬유가 접이식 형태의 롤러블 (rollable) 리본 (ribbon) 광섬유 제조에 관한 것이다.The present invention relates to an optical fiber cable, and more particularly, to a rollable ribbon optical fiber in which the optical fiber is foldable to enable mounting of a high-density optical fiber suitable for a high-speed network network. .

현재 광통신 전송망에서는 광 신호를 이용하여 정보를 전송 및 교환하여, 종래의 전기신호를 이용한 전송방식보다 전송속도가 빠르고 전송용량이 크며, 케이블이 소형 및 경량이며 전자기장에 영향을 받지 않은 장점 등으로 널리 사용하고 있다. 이러한 광통신 전송망에 사용되는 광케이블은 광섬유를 통하여 광신호를 전달하지만, 광섬유는 모재인 유리봉에서 인출하여 제작되는 방법으로 그 자체로서는 매우 취약하여, 외부의 기계적, 환경적인 요인으로부터 보호하기 위하여 여러 방법으로 제작되며 사용용도 및 위치에 다르다.In the current optical communication transmission network, information is transmitted and exchanged using optical signals, and the transmission speed is faster than the conventional transmission method using electrical signals, the transmission capacity is large, the cable is small and lightweight, and it is widely used due to the advantages of not being affected by electromagnetic fields. are using The optical cable used in this optical communication transmission network transmits the optical signal through the optical fiber, but the optical fiber is produced by pulling out the glass rod, which is the base material, and is very fragile in itself. It is manufactured and differs according to the purpose of use and location.

이러한 광케이블은 대표적으로 루스튜브형 광케이블을 주로 사용하고 있는데, 일반적인 구조는 복수의 착색된 광섬유를 젤리 및/또는 방수재와 함께 루스튜브에 넣고, 이러한 루스튜브를 중심인장선 위에 SZ방향으로 꼬은 후 외부 피복을 한다. 또 다른 대표적인 구조로는 복수의 착색된 광섬유를 일렬로 배열하고 리본테이프 형태의 갖춘 리본 광섬유를 젤리 및/또는 방수재와 함께 루스튜브에 넣고, 이러한 루스튜브를 중심인장선 위에 SZ방향으로 꼬은 후 외부 피복을 하거나, 슬롯트 홈에 젤리 및/또는 방수재를 넣고 외부 피복을 하는 광케이블이다. These optical cables typically use a loose tube type optical cable. The general structure is to put a plurality of colored optical fibers in a loose tube together with jelly and/or a waterproofing material, twist these loose tubes in the SZ direction on a central tension line, and then cover the outside. do As another representative structure, a plurality of colored optical fibers are arranged in a line, a ribbon optical fiber equipped in the form of a ribbon tape is put in a loose tube together with jelly and/or waterproofing material, and after twisting this loose tube in the SZ direction on a central tension line, the external It is an optical cable that is coated or coated with jelly and/or waterproofing material in the slotted groove.

또한 이러한 광케이블은 초고속 네트워크망의 트렁크 피더용, 간선용 및 인입용 광케이블로 구분할 수 있고, 이러한 용도의 광케이블은 동심형, 8자형, 플랫형 등의 모양으로 제작되며, 주로 전신주를 경유하여 댁내까지 광케이블을 연결하기 위한 FTTx (Fiber To The Curve/Buliding/Home) 네트워크용으로 사용되는데, 설치 위치 및 방법에 기인한 기계적, 환경적 요인으로 광케이블내 광섬유에 영향을 미쳐 광 전송이 불가능한 광섬유의 벤딩, 파단 등의 심각한 사태가 발생하기도 한다.In addition, these optical cables can be divided into optical cables for trunk feeders, trunk lines, and inlets of high-speed network networks. Optical cables for these purposes are manufactured in concentric, figure 8, flat, etc. It is used for FTTx (Fiber To The Curve/Buliding/Home) network to connect optical cables. Mechanical and environmental factors due to the installation location and method affect the optical fiber in the optical cable, so bending of the optical fiber that is impossible to transmit, Serious situations such as breakage may occur.

따라서 이러한 외부의 기계적, 환경적 요인에서도 안정적인 광 전송이 구현 및 유지될 수 있도록 종래의 광케이블에서 개선된 구조 및 형태의 것이 요구된다.Therefore, an improved structure and form of the conventional optical cable is required so that stable optical transmission can be implemented and maintained even in these external mechanical and environmental factors.

본 발명은, 전술한 종래기술의 문제를 해결하기 위한 것으로서, 기존 광통신망, 특히 초고속 네트워크망에서 피더 (feeder) 및 분배용으로 사용되는 광섬유 케이블이 고밀도(high density)의 광섬유를 케이블 내에 실장이 가능하도록 적용될 수 있는 롤러블 리본 광섬유를 제공하는 것을 목적으로 한다.The present invention is to solve the problems of the prior art described above, in an existing optical communication network, particularly, a fiber optic cable used for feeder and distribution in a high-speed network network by mounting a high-density optical fiber in the cable. An object of the present invention is to provide a rollable ribbon optical fiber that can be applied as possible.

또한, 기계적, 환경적 특성에 따른 광케이블의 광학적 특성에 영향을 주지 않는 케이블 구조 및 관련 원,부자재를 사용하여 안정적인 특성을 제공하는 것을 목적으로 한다.In addition, it aims to provide stable characteristics by using a cable structure that does not affect the optical characteristics of optical cables according to mechanical and environmental characteristics and related raw and subsidiary materials.

전술한 과제를 해결하기 위하여, 롤러블 리본 광섬유로서, 피복된 광섬유가 일렬로 배열된 광섬유 배열; 및, 광섬유들의 길이방향을 따라, 상기 광섬유 배열의 광섬유를 서로 연결시키는 연결부재를 포함하며, 상기 광섬유 배열의 광섬유 중의 일부는 인접하는 광섬유와 접촉하고, 광섬유 중의 다른 일부는 인접하는 광섬유와 접촉하지 않으며, 상기 광섬유 배열의 어느 최외곽 표면도 상기 연결부재에 의하여 한정되지 않고, 펼쳐진 상태에 비하여 50% 이상 폭이 감소된 상태로 6회 내지 9회 가역적으로 감을 수 있는 롤러블 리본 광섬유가 제공된다.In order to solve the above problems, a rollable ribbon optical fiber comprising: an optical fiber array in which coated optical fibers are arranged in a line; and a connecting member for connecting the optical fibers of the optical fiber array to each other along the longitudinal direction of the optical fibers, wherein some of the optical fibers of the optical fiber array are in contact with the adjacent optical fibers, and other parts of the optical fibers are not in contact with the adjacent optical fibers. There is provided a rollable ribbon optical fiber that can be reversibly wound 6 to 9 times in a state in which any outermost surface of the optical fiber arrangement is not limited by the connection member, and the width is reduced by 50% or more compared to the unfolded state .

본 발명의 제조방법에 따른 롤러블 리본 광섬유를 적용하면, 케이블내 고밀도 (high desity) 실장이 가능하므로 종래의 케이블보다 외경을 더 작게, 중량은 경량으로 취급이 용이하다.When the rollable ribbon optical fiber according to the manufacturing method of the present invention is applied, high-density mounting in the cable is possible, so the outer diameter is smaller than that of a conventional cable, and the weight is light and easy to handle.

도 1은 종래의 리본 광섬유의 구조를 도시하는 도면.
도 2는 본 발명의 일실시예에 따른 롤러블 리본 광섬유의 구조를 도시하는 단면도.
도 3은 본 발명에 따른 롤러블 리본 광섬유의 사시도.
1 is a view showing the structure of a conventional ribbon optical fiber.
2 is a cross-sectional view showing the structure of a rollable ribbon optical fiber according to an embodiment of the present invention.
3 is a perspective view of a rollable ribbon optical fiber according to the present invention.

본 발명에 대한 구체적인 내용은 아래와 같이 상세하게 설명하지만, 한정된 해석의 의미는 아니며 다양한 변경이 있을 수 있다.The specific content of the present invention will be described in detail as follows, but it is not meant to be a limited interpretation and various changes may be made.

도 1은 종래의 리본 광섬유의 단면도이다. 도시된 바와 같이 종래의 리본 광섬유는 개개 광섬유(10)를 일렬로 배열한 후 외측면 전체에 경화용 수지(20)를 도포하고 UV 경화기를 통과하여 경화시킴으로써 제조된다.1 is a cross-sectional view of a conventional ribbon optical fiber. As shown, the conventional ribbon optical fiber is manufactured by arranging individual optical fibers 10 in a line, applying a curing resin 20 to the entire outer surface, and curing it through a UV curing machine.

도 2는 본 발명의 일실시예에 따른 롤러블 리본 광섬유의 단면도이다.2 is a cross-sectional view of a rollable ribbon optical fiber according to an embodiment of the present invention.

도시된 실시에에서, 롤러블 리본 광섬유(100)는 복수의 광섬유(10a, 10b)가 일렬로 배열되고, 연결부재(110)는 광섬유의 길이방향을 따라 광섬유들을 서로 연결한다. 일부의 광섬유(10a)는 인접하는 광섬유와 접촉하지 않으며, 다른 일부의 광섬유(10b)는 인접하는 광섬유와 접촉한다.In the illustrated embodiment, in the rollable ribbon optical fiber 100, a plurality of optical fibers 10a and 10b are arranged in a line, and the connecting member 110 connects the optical fibers to each other along the longitudinal direction of the optical fiber. Some optical fibers 10a do not contact adjacent optical fibers, and other optical fibers 10b contact adjacent optical fibers.

각 광섬유는 코팅외경이 180~260㎛ 이하의 직경을 가지는 것이 바람직하며, ITU-T에서 규정하는 G.652, G.653, G.654, G.655, G.656, G.657 규격을 만족한다. 각각의 광섬유는 서로 식별이 가능하도록 여러 가지 색상 또는 필요 시 색상에 줄띠(stripe)나 링(ring) 마킹으로 코팅될 수 있다.Each optical fiber preferably has a coating outer diameter of 180~260㎛ or less, and meets the G.652, G.653, G.654, G.655, G.656, G.657 standards specified by ITU-T. Satisfies. Each optical fiber may be coated with a stripe or ring marking in various colors or, if necessary, in a color to be able to identify each other.

연결부재(110)는 수지 소재로 형성되고, 영률(Young's Modulus)이 10~100MPa이며, UV 조사 또는 열에 의하여 경화된다. 연결부재(110)의 소재는 롤러블 리본 광섬유가 펼쳐진 상태에 비하여 50% 이상 폭이 감소된 상태로 6회 내지 9회 가역적으로 감을 수 있도록 하는 특성을 갖는다.The connecting member 110 is formed of a resin material, has a Young's Modulus of 10 to 100 MPa, and is cured by UV irradiation or heat. The material of the connection member 110 has a characteristic that allows the rollable ribbon optical fiber to be reversibly wound 6 to 9 times with a width reduced by 50% or more compared to the unfolded state.

도 3은 본 발명에 따른 롤러블 리본 광섬유의 사시도이다. 3 is a perspective view of a rollable ribbon optical fiber according to the present invention.

도시된 바로 부터 알 수 있듯이, 롤러블 리본 광섬유의 최외곽 표면은 어느 쪽도 연결부재(110)에 의하여 한정되지 않는다. 즉, 최외곽 표면의 일부는 광섬유의 외부 표면에 의하여 한정되고, 다른 일부는 연결부재에 의하여 한정된다.As can be seen from the diagram, the outermost surface of the rollable ribbon optical fiber is not limited by the connecting member 110 in either case. That is, part of the outermost surface is defined by the outer surface of the optical fiber, and the other part is defined by the connecting member.

본 발명은 초고속 네트워크망에서 광통신 신호를 전달하여 데이터 센터간 고속, 대용량전송이 가능하고, 유,무선인터넷 등을 널리 사용할 수 있도록 하며, 특히 도심내 한정된 공간의 관로(duct)내 광섬유의 집적도를 높여 고밀도화 함으로써 효율성을 높인다.The present invention enables high-speed and large-capacity transmission between data centers by transmitting optical communication signals in a high-speed network network, and enables the widespread use of wired and wireless Internet, etc., and especially improves the density of optical fibers in a duct in a limited space in the city center. Increase the efficiency by increasing the density and increasing the density.

10, 10a, 10b : 광섬유
20 : 경화 수지
30 : 종래의 리본 광섬유
100 : 롤러블 리본 광섬유
110 : 연결부재
10, 10a, 10b: optical fiber
20: cured resin
30: conventional ribbon optical fiber
100: rollable ribbon optical fiber
110: connecting member

Claims (1)

롤러블 리본 광섬유로서,
피복된 광섬유가 일렬로 배열된 광섬유 배열; 및,
광섬유들의 길이방향을 따라, 상기 광섬유 배열의 광섬유를 서로 연결시키는 연결부재
를 포함하며,
상기 광섬유 배열의 광섬유 중의 일부는 인접하는 광섬유와 접촉하고, 광섬유 중의 다른 일부는 인접하는 광섬유와 접촉하지 않으며,
상기 광섬유 배열의 어느 최외곽 표면도 상기 연결부재에 의하여 한정되지 않고,
펼쳐진 상태에 비하여 50% 이상 폭이 감소된 상태로 6회 내지 9회 가역적으로 감을 수 있는
롤러블 리본 광섬유.
A rollable ribbon optical fiber comprising:
an optical fiber array in which the coated optical fibers are arranged in a line; and;
A connecting member for connecting the optical fibers of the optical fiber array to each other along the longitudinal direction of the optical fibers
includes,
Some of the optical fibers of the optical fiber array are in contact with the adjacent optical fibers, and other parts of the optical fibers do not contact the adjacent optical fibers,
Any outermost surface of the optical fiber array is not limited by the connecting member,
It can be reversibly wound 6 to 9 times with a width reduced by more than 50% compared to the unfolded state.
Rollable Ribbon Fiber.
KR1020190179989A 2019-12-31 2019-12-31 Rollable ribbon optical fiber and method for manufacturing the same KR20210086206A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023075483A1 (en) * 2021-10-28 2023-05-04 엘에스전선 주식회사 Optical cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023075483A1 (en) * 2021-10-28 2023-05-04 엘에스전선 주식회사 Optical cable

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