KR100366053B1 - MT optical connector - Google Patents

MT optical connector Download PDF

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Publication number
KR100366053B1
KR100366053B1 KR1019990021556A KR19990021556A KR100366053B1 KR 100366053 B1 KR100366053 B1 KR 100366053B1 KR 1019990021556 A KR1019990021556 A KR 1019990021556A KR 19990021556 A KR19990021556 A KR 19990021556A KR 100366053 B1 KR100366053 B1 KR 100366053B1
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KR
South Korea
Prior art keywords
core
optical connector
ferrule
optical fiber
housing
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KR1019990021556A
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Korean (ko)
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KR20010001994A (en
Inventor
김종열
홍영표
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삼성전자 주식회사
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Priority to KR1019990021556A priority Critical patent/KR100366053B1/en
Publication of KR20010001994A publication Critical patent/KR20010001994A/en
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Publication of KR100366053B1 publication Critical patent/KR100366053B1/en

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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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3834—Means for centering or aligning the light guide within the ferrule
    • G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
    • G02B6/3839—Means for centering or aligning the light guide within the ferrule using grooves for light guides for a plurality of light guides
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

본 발명은 다심 광섬유를 일체형으로 연결하여 케이블 접속구조를 용이하게 하는 다심 일괄형 광커넥터에 관한 것으로, 이러한 다심 일괄형 광커넥터는 다심 광섬유를 삽입 접착하여 끝면을 연마한 구조이며 양측면에 가이딩할 수 있는 가이드홈이 형성된 페룰 및 페룰을 가이딩하기 위하여 페룰에 형성된 가이드홈에 대응하는 돌출부재가 형성된 하우징을 포함함을 특징으로 한다.The present invention relates to a multi-core packaged optical connector that connects multi-core optical fibers integrally to facilitate a cable connection structure, such a multi-core packaged optical connector is a structure in which the end surface is polished by inserting and bonding a multi-core optical fiber to guide both sides. And a housing having a protruding member corresponding to the guide groove formed in the ferrule in order to guide the ferrule in which the guide groove is formed.

본 발명에 의하면, 다심 일괄형 광커넥터의 구조를 변경하고 어댑터를 사용함으로써 다심 광섬유의 접속이 쉬우며 재접속으로 인한 작업시간 절감이 가능하고, 광접속시 위치고정점의 선점을 통한 구조개선으로 저접속손실을 구현할 수 있다.According to the present invention, by changing the structure of the multi-core package type optical connector and using the adapter, it is easy to connect the multi-core optical fiber, and it is possible to reduce the work time due to the reconnection, and to improve the structure through the preemption of the position fixing point during the optical connection Connection loss can be realized.

Description

다심 일괄형 광커넥터{MT optical connector}Multi-core bulk optical connector {MT optical connector}

본 발명은 광섬유 결합소자에 관한 것으로, 특히 신호원, 검파기 혹은 광섬유와 광섬유를 결합하는 수동소자로 반복결합이 손쉽게 이루어지는 광커넥터에 관한 것이다.The present invention relates to an optical fiber coupling element, and more particularly, to an optical connector in which a repetitive coupling is easily performed by a signal source, a detector, or a passive element combining an optical fiber and an optical fiber.

광커넥터는 커넥터당 접속할 수 있는 광섬유의 수에 따라 ST, SC, FC, EC와 같은 단심 광커넥터와 MT, FDDI와 같은 다심 광커넥터로 구분된다. 그 중 다심 일괄형 광커넥터는 푸쉬-풀 결합방식으로 전송장치용 및 케이블용 구분없이 다중모드 광섬유에 대응하기 위하여 사용한다. 다심 일괄형 광커넥터는 다심 광섬유를 일체형으로 연결하여 케이블 접속구조를 어떻게 용이한 구조를 제작하여 케이블 접속시간 단축 및 설치 방법의 간소화 추진 및 평균접속손실 최저화(0.35db기준)를 위한 구조 형상이 중요하다.Optical connectors are classified into single-core optical connectors such as ST, SC, FC and EC and multi-core optical connectors such as MT and FDDI, depending on the number of optical fibers that can be connected per connector. Among them, the multi-core batch optical connector is a push-pull coupling method, which is used to cope with the multimode optical fiber without the distinction for the transmission device and the cable. Multi-core packaged optical connector has a structure shape for shortening the cable connection time, simplifying the installation method, and minimizing the average connection loss (0.35db standard) by making the structure of the cable connection structure easy by connecting the multi-core optical fiber as an integrated type. It is important.

이러한 사항을 고려해볼 때 융착접속기술에 의한 기계적 슬라이스 기술/현재 적용되고 있는 다심 일괄형 커넥터의 접속구조 방식의 어려움 및 접속시간단축 애로사항으로 인한 접속부의 구조방식의 한계가 있다.Considering these matters, there is a limitation of the connection method due to the difficulty of the connection structure method of the mechanical slice technology by the fusion splicing technology / currently applied multi-core packaged connector and the shortening of the connection time.

도 1은 종래의 다심 일괄형 광커넥터를 도시한 것으로, 광섬유(110), 부트(120), 몸체부(130) 및 가이드 핀(140)으로 이루어진다.FIG. 1 illustrates a conventional multi-core packaged optical connector, and includes an optical fiber 110, a boot 120, a body 130, and a guide pin 140.

광섬유(110)는 정보를 전송하는 수단으로 리본광섬유가 사용된다. 부트(120)는 외부에 노출된 광섬유(110)의 휨이나 비틀림을 방지하기 위한 것이다. 몸체부(130)는 부트(120)를 고정시키는 몸체이다. 가이드 핀(140)은 몸체부(130)를 결합시키는 수단이다.Ribbon optical fiber is used for the optical fiber 110 as a means for transmitting information. Boot 120 is to prevent the bending or twisting of the optical fiber 110 exposed to the outside. Body 130 is a body for fixing the boot (120). The guide pin 140 is a means for coupling the body portion 130.

이러한 다심 일괄형 광커넥터는 외부진동 및 충격으로 인한 가이드 핀(pin)의 크랙 및 빠짐현상이 발생되어 장기적 신뢰성에 문제가 발생한다. 인입된 커넥터 내부 가이드 핀에만 에폭시접착으로 인한 외부 인장력에 한계가 있다. 접속시 위치고정점의 일치화에 애로사항으로 조립접속손실이 높게 발생된다.The multi-core packaged optical connector has a problem of long-term reliability due to cracking and dropping of the guide pin due to external vibration and shock. There is a limit to the external tension due to epoxy bonding only on the guide pin inside the inserted connector. When connecting, the assembly connection loss is high due to the difficulty of matching the position fixing point.

본 발명이 이루고자하는 기술적 과제는 인장력, 충격, 진동등의 신뢰성 특성이 강하며, 저손실 구조인 다심 일괄형 광커넥터를 제공하는데 있다.The technical problem to be achieved by the present invention is to provide a multi-core package type optical connector having a high tensile strength, impact, vibration and reliability characteristics, and a low loss structure.

도 1은 종래의 다심 일광형 광커넥터를 도시한 것이다.1 illustrates a conventional multi-core daylight optical connector.

도 2는 본 발명에 의한 다심 일괄형 광커넥터를 도시한 것이다.Figure 2 shows a multi-core batch optical connector according to the present invention.

도 3은 본 발명에 의한 다심 일괄형 광커넥터 플러그의 페룰을 도시한 것이다.Figure 3 shows a ferrule of a multi-core batch optical connector plug according to the present invention.

도 4는 본 발명에 의한 다심 일괄형 광커넥터를 결합하는 어댑터를 도시한 것이다.Figure 4 illustrates an adapter coupling a multi-core batch optical connector according to the present invention.

도 5는 본 발명에 의한 다심 일괄형 광커넥터를 어댑터에 채결하는 상태를 도시한 것이다.5 is a view showing a state in which a multi-core packaged optical connector according to the present invention is connected to an adapter.

상기 기술적 과제를 해결하기 위한 본 발명에 의한 다심 일괄형 광커넥터는 다심 광섬유를 일체형으로 연결하여 케이블 접속구조를 용이하게 하는 다심 일괄형 광커넥터에 있어서, 상기 다심 광섬유를 삽입 접착하여 끝면을 연마한 구조이며 양측면에 가이딩할 수 있는 가이드홈이 형성된 페룰; 및 상기 페룰을 가이딩하기 위하여 상기 페룰에 형성된 가이드홈에 대응하는 돌출부재가 형성된 하우징을 포함함을 특징으로 한다.Multi-core packaged optical connector according to the present invention for solving the above technical problem is a multi-core packaged optical connector that facilitates the cable connection structure by integrally connecting the multi-core optical fiber, wherein the multi-core optical fiber is inserted and bonded to polish the end surface A ferrule having a structure and having guide grooves capable of guiding at both sides thereof; And a housing in which a protruding member corresponding to the guide groove formed in the ferrule is formed to guide the ferrule.

이하 도면을 참조하여 본 발명을 설명하기로 한다.Hereinafter, the present invention will be described with reference to the drawings.

도 2는 본 발명에 의한 다심 일괄형 광커넥터를 도시한 것으로, 페룰부(210), 하우징(220) 및 리본광섬유(230)로 이루어진다.2 illustrates a multi-core packaged optical connector according to the present invention, and includes a ferrule 210, a housing 220, and a ribbon optical fiber 230.

페룰부(210)는 플라스틱으로 정밀성형되어 있으며, 리본광섬유(230)접속을 위한 핵심형상이다.The ferrule 210 is precision molded from plastic and is a core shape for connecting the ribbon optical fiber 230.

하우징(220)은 내부에 프레임(도면에 도시되지 않음)과 완충장치(도면에 도시되지 않음)를 삽입하는데, 이러한 완충장치는 다심의 광섬유를 갖는 페롤이 안착되거나 하우징(220)을 어댑터에 삽입하고 위치 고정점의 원활한 접속 및 외부충격과 진동에 견딜 수 있도록 한다. 완충장치로는 스프링 핀이 사용되고, 상기 스프링 핀은 어댑터에 연결할 때 텐션(tension)을 주기 위하여 다심광섬유를 갖는 패롤과 하우징(220)사이에 고정시켜 사용된다.The housing 220 inserts a frame (not shown in the figure) and a shock absorber (not shown in the figure) therein, such that the shock absorber seats a ferrule with a multi-core optical fiber or inserts the housing 220 into an adapter. It is able to withstand smooth connection of position fixing point and external shock and vibration. As a shock absorber, a spring pin is used, and the spring pin is fixed between the housing having the multi-core fiber and the housing 220 to give tension when connected to the adapter.

또한 하우징(220)을 보호하기 위하여 보호커버(도면에 도시되지 않음)가 사용된다. 이러한 보호커버는 광커넥터 하우징(200)을 보호할 수 있는 구조로 광 커넥터(200)를 도 4에 도시되는 어댑터(400)에 삽입시 로킹 가이드하며, 보호커버의 내부에 장착된 여러 부품을 보호하고 이들이 외부에 노출되지 않도록 보호한다.In addition, a protective cover (not shown) is used to protect the housing 220. This protective cover is a structure that can protect the optical connector housing 200, the locking guide when the optical connector 200 is inserted into the adapter 400 shown in Figure 4, and protects the various components mounted inside the protective cover And protect them from exposure to the outside.

이러한 다심 일괄형 광커넥터는 다음과 같은 과정을 거쳐 제작된다. 페룰부(210)에 다심 광섬유를 삽입 정렬후 소형부트에 에폭시를 접착하고 몰딩한 후, 하우징(220)내부에 프레임(frame) 및 스프링을 안착한 후 페룰부(210) 삽입후 보호커버 및 여장 코드보호를 위한 케블라링 및 부트를 사용하여 에폭시 도포후 몰딩한다.This multi-core packaged optical connector is manufactured through the following process. After inserting the multi-core fiber into the ferrule 210 and aligning and molding the epoxy in the small boot, and then mounting the frame and spring in the housing 220, after inserting the ferrule 210 and the protective cover and the dressing code Mold after epoxy application using kevlar and boot for protection.

도 3은 본 발명에 의한 다심 일괄형 광커넥터의 페룰부를 도시한 것이다. 페룰(310)은 단면구조가 직사각형 구조이며 양측면에 가이딩할 수 있는 반원형의 가이드홈(320)이 형성되어 있다. 광섬유(330)는 휨이나 비틀림에 의한 광손실을 방지하기 위하여 고무(rubber) 재질의 부트(boot)로 덮혀있다.Figure 3 shows a ferrule portion of a multi-core batch optical connector according to the present invention. Ferrule 310 has a rectangular cross-sectional structure is formed with a semicircular guide groove 320 that can be guided on both sides. The optical fiber 330 is covered with a boot made of rubber to prevent light loss due to bending or twisting.

상술한 본 발명에 의한 다심 일괄형 광커넥터를 결합하기 위해서는 어탭터가 사용되어야 한다.An adapter must be used to couple the multi-core packaged optical connector according to the present invention described above.

도 4는 본 발명에 의한 다심형 광커넥터를 결합하기 위한 어댑터를 도시한 것이다.Figure 4 shows an adapter for coupling a multi-core optical connector according to the present invention.

어댑터(400)는 다심 일괄형 광커넥터(200)를 접속할 수 있는 구조이며, 광섬유의 접속방법을 간편하게 할 수 있으며 재질은 플라스틱으로 제작되어 탄성이 강한재질로 외부 환경에 적합한 구조로 다량의 광섬유를 터미네이팅 및 접속할 수 있 다.Adapter 400 is a structure that can be connected to the multi-core package type optical connector 200, it is easy to connect the optical fiber and the material is made of plastic material is a strong elastic material suitable for the external environment with a large amount of optical fiber Termination and connection can be made.

어댑터(400)는 다심 일괄형 광커넥터(200)를 결합할 수 있는 잠금장치(도면에 도시되지 않음)와 다심 일괄형 광커넥터(200)를 밀착하여 축 방향으로 정렬하는 슬리브(도면에 도시되지 않음)로 구성되어 있다. 잠금장치는 푸시-풀방식의 체결장치로서, 어댑터(400)에 다심 일괄형 광커넥터(200)가 채결시 채결상태를 유지시켜 준다. 슬리브는 축 등의 외주에 끼워 사용하는 길쭉한 커플링 볼트 통 모양의 부품으로 어댑터(400)내부에 삽입되어 고정되며, 본 발명에 의한 다심 일괄형 광커넥터(200)의 접속으로 광접속손실 및 반사손실을 최대화할 수 있도록 하는 기능이며 재질은 동합금이나 지르코니아를 사용하며 정밀도를 높일 수 있도록 하였다. 또한 어댑터(400)는 내부에 슬리브를 안착후 초음파 융착기로 열융착한후 외관고정용 판스프링을 부착하였다.Adapter 400 is a sleeve (not shown in the drawing) that can couple the multi-core packaged optical connector 200 and a sleeve (not shown in the figure) in close contact with the multi-core packaged optical connector 200 in alignment in the axial direction Not configured). The locking device is a push-pull fastening device, which maintains the connection state when the multi-core batch optical connector 200 is connected to the adapter 400. The sleeve is an elongated coupling bolt tubular component that is inserted into an outer circumference such as an shaft and inserted into the adapter 400 to be fixed. The sleeve is connected to the multi-core packaged optical connector 200 according to the present invention, and the optical connection loss and reflection It is the function to maximize the loss and the material is made of copper alloy or zirconia to increase the precision. In addition, the adapter 400 was mounted on the sleeve therein and then heat-sealed with an ultrasonic welding machine, and then attached to the external spring fixing plate spring.

도 5는 본 발명에 의한 다심 일괄형 광커넥터가 어댑터에 결합되는 상태를 도시한 것이다.Figure 5 illustrates a state in which the multi-core batch optical connector according to the present invention is coupled to the adapter.

다심 일괄형 광커넥터(200)는 어댑터(400)의 일측과 타측에 결합되어 사용되므로 광접속이 용이하다.Since the multi-core batch optical connector 200 is used by being coupled to one side and the other side of the adapter 400, the optical connection is easy.

본 발명에 의하면, 다심 일괄형 광커넥터의 구조를 변경하고 어댑터를 사용함으로써 다심 광섬유의 접속이 쉬우며 재접속으로 인한 작업시간 절감이 가능하고, 광접속시 위치고정점의 선점을 통한 구조개선으로 저접속손실을 구현할 수 있다.According to the present invention, by changing the structure of the multi-core package type optical connector and using the adapter, it is easy to connect the multi-core optical fiber, and it is possible to reduce the work time due to the reconnection, and to improve the structure through the preemption of the position fixing point during the optical connection Connection loss can be realized.

Claims (5)

다심 광섬유를 일체형으로 연결하여 케이블 접속구조를 용이하게 하는 다심 일괄형 광커넥터에 있어서,In the multi-core package type optical connector that connects the multi-core optical fiber integrally to facilitate the cable connection structure, 상기 다심 광섬유를 삽입 접착하여 끝면을 연마한 구조이며 양측면에 가이딩할 수 있는 가이드홈이 형성된 페룰; 및A ferrule having a structure in which an end surface is polished by inserting and attaching the multi-core optical fiber and having guide grooves capable of guiding on both sides; And 일체형이고, 양측 내벽에 상기 페룰을 가이딩하기 위하여 상기 페룰에 형성된 가이드홈에 대응하는 돌출부재가 형성된 하우징을 포함함을 특징으로 하는 다심 일괄형 광커넥터.And a housing having an integral type and a protruding member corresponding to the guide groove formed in the ferrule for guiding the ferrules on both inner sidewalls. 제1항에 있어서,The method of claim 1, 상기 하우징이 결합되는 어댑터를 더 구비함을 특징으로 하는 다심 일괄형 광커넥터.And a housing to which the housing is coupled. 제2항에 있어서, 상기 어댑터는The method of claim 2, wherein the adapter 내부에 슬리브 및 외관 고정용 판스프링이 부착됨을 특징으로 하는 다심 일괄형 광커넥터.Multi-core packaged optical connector, characterized in that the sleeve and the plate spring for fixing the exterior is attached to the inside. 제1항에 있어서, 상기 하우징은The method of claim 1, wherein the housing 내부에 완충장치를 삽입함을 특징으로 하는 다심 일괄형 광커넥터.Multi-core packaged optical connector, characterized in that the buffer is inserted inside. 삭제delete
KR1019990021556A 1999-06-10 1999-06-10 MT optical connector KR100366053B1 (en)

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KR101499261B1 (en) * 2008-03-28 2015-03-05 호시덴 가부시기가이샤 Optical connector

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KR20030033901A (en) * 2001-10-25 2003-05-01 주식회사케이텍정보통신 Interface apparatus for optical fiber
EP2788805A4 (en) 2011-12-09 2015-11-04 Hewlett Packard Development Co Optical connections
WO2020081439A1 (en) 2018-10-15 2020-04-23 Corning Research & Development Corporation Ferrules including keying features and fiber optic junctions including the same

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US5619604A (en) * 1996-02-26 1997-04-08 Alcoa Fujikura Limited Multi-fiber optical connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619604A (en) * 1996-02-26 1997-04-08 Alcoa Fujikura Limited Multi-fiber optical connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101499261B1 (en) * 2008-03-28 2015-03-05 호시덴 가부시기가이샤 Optical connector

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