WO2001020378A1 - Mecanisme de blindage pour dispositif d'epissurage de fibres optiques par fusion - Google Patents
Mecanisme de blindage pour dispositif d'epissurage de fibres optiques par fusion Download PDFInfo
- Publication number
- WO2001020378A1 WO2001020378A1 PCT/JP2000/006019 JP0006019W WO0120378A1 WO 2001020378 A1 WO2001020378 A1 WO 2001020378A1 JP 0006019 W JP0006019 W JP 0006019W WO 0120378 A1 WO0120378 A1 WO 0120378A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical fiber
- fiber
- optical fibers
- clamp
- holder
- Prior art date
Links
Classifications
-
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
-
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
Definitions
- the present invention relates to an optical fiber fusion splicer that abuts ends of two coated optical fibers with their coating removed, and heats the abutted portion to fuse the two optical fibers together.
- the present invention relates to an automatic screening mechanism for pulling each optical fiber in a direction opposite to a butt direction after connection to check the strength of a fused portion.
- the optical fiber fusion splicer is equipped with a screening mechanism for performing a tensile test after fusion splicing two optical fibers to confirm the strength (screening) of the fusion spliced part.
- a screening mechanism for performing a tensile test after fusion splicing two optical fibers to confirm the strength (screening) of the fusion spliced part.
- FIG. 6 shows an example of such an optical fiber fusion splicer.
- the optical fiber fusion splicer shown in Fig. 6 has two holder bases D each equipped with a fiber holder C on which two optical fibers B with the coating on the tip A removed for fusion splicing.
- the connection base F having a V-groove E into which the tip A of the optical fiber B set in each of the fiber holders C is fitted, and the optical fiber B fitted into the V-groove E
- a fiber clamp G is provided to press and fix the tip A from above onto the V-groove E, and the drive mechanism (not shown) D is moved in the direction of the arrow a in the figure, and the ends A of the optical fibers B are butted against each other, and the ends A of both butted fibers B are fitted into the V-groove E of the connecting base F.
- the fiber clamp G at the position (standby position) shown in FIG. 6 is rotated in the direction of arrow c in the figure, and the distal end A is connected to the V
- the tip A is heated and fusion-spliced by pressing against the groove E, and then the fiber clamp G is turned in the direction of the arrow d in the figure to return to the standby position.
- the holder table D is moved in the direction of the arrow b in the figure, and each optical fiber B is pulled in the same direction to perform screening.
- the conventional screening mechanism has the following problems.
- An object of the present invention is to automatically start the screening when the fixing of the optical fiber tip portion by the fiber clamp is released, and to eliminate the possibility that the screening is performed while the optical fiber is fixed by the fiber clamp. Provides a screening mechanism for optical fiber fusion splicers that does not forget to screen Is to do.
- One of the screening mechanisms of the optical fiber fusion splicer of the present application is that two optical fibers to be fusion-spliced are held opposite to each other, and two holder tables are arranged between the two holder tables.
- a connection base having a guide groove into which the uncoated ends of the two optical fibers held by the respective holder bases are fitted, and a guide groove that rotates from the standby position to above the guide groove.
- the optical fiber fusion splicer equipped with a fiber clamp that presses the tip of the optical fiber fitted into the guide groove into the guide groove can detect that the pressing of the tip of the optical fiber by the fiber clamp is released.
- one or both of the two holders automatically move to the opposite side of the optical fiber butting direction and pull the optical fiber. It is intended to perform the screening.
- the other is that two optical fibers to be fusion spliced are separately set in two fiber holders, and each fiber holder is mounted on two holder bases. The other one detects that the fiber clamp has returned to the standby position, and detects that the pressing of the tip of the optical fiber by the clamp has been released.
- FIG. 1 is an explanatory perspective view showing a first embodiment of a screening mechanism for an optical fiber fusion splicer according to the present invention.
- Figure 2A is a plan view when the fiber clamp is in the standby position
- Figure 2B is a plan view when the fiber clamp is in the operating position.
- Figure 3 is a perspective view when the fiber clamp is at the standby position.
- FIG. 4 is an explanatory perspective view showing a second embodiment of the screening mechanism of the optical fiber fusion splicer of the present invention.
- FIG. 5 shows a third embodiment of the screening mechanism of the optical fiber fusion splicer of the present invention. Explanatory perspective view showing a state.
- FIG. 6 is an explanatory perspective view showing a screening mechanism of a conventional optical fiber fusion splicer.
- the screening mechanism of the present invention provides an optical fiber fusion splicer equipped with a holder base 2, a connection base 5, and a fiber clamp 6 with a sensor 7 capable of detecting whether or not the fiber clamp 6 has returned to a standby position.
- the sensor 7 detects that the fiber clamp 6 that was in the operating position at the time of fusion splicing has returned to the standby position after fusion splicing
- the holder base 2 automatically moves in a direction opposite to the direction in which the optical fibers 1 abut. Then, the optical fiber 1 is pulled to perform the screening.
- the holder base 2 of the optical fiber fusion splicer is formed in a block shape on which a fiber holder 8 in which S optical fibers 1 to be fusion spliced are set can be mounted.
- Two holders are provided so as to face the upper surface 14 of the connection device main body, and each holder 2 is slidably driven by a drive mechanism (not shown) in the directions of arrows a and b in the figure. is there.
- the optical fiber 1 in the present embodiment is a multi-core tape fiber, and is set in the fiber holder 8 with the coating of the distal end portion 3 of each of the spliced fibers being removed, and the optical fiber 1 is set.
- the tips 3, 3,... Of the optical fibers 1 are abutted against each other.
- connection table 5 is disposed between two opposing holders 2 as shown in FIG. 1, and the two holders 2 are slid in the direction of arrow a to abut each other.
- the end portions 3 of the optical fibers 1 can be fusion-spliced on the connection table 5.
- a plurality of rows of a pair of guide grooves 4 having a V-shaped cross section are formed on the same straight line on the upper surface 15 of the connection base 5, and two guide grooves 4 abutting each guide groove 4 are formed.
- the fiber clamp 6 is erected on the upper surface 14 of the connection device main body as shown in FIG. 1 so as to be rotatable in the directions indicated by arrows c1 and d in the figure, and is rotated in the same direction by a drive mechanism (not shown).
- One end of the arm 21 is fixed to the upper end of the rotating shaft 18, and a pressing member 24 is attached to the lower surface of the other end of the arm 21.
- two fiber clamps 6 are provided, and two optical fibers 1 fitted into the two guide grooves 4 of the connection base 5 and aligned with each other are aligned with the distal ends 3, 3 of the optical fibers 1. ⁇
- Each of ' is pressed against the guide groove 4 from above and can be fixed.
- each optical fiber 1 is fixed by the fiber clamp 6, a discharge occurs between two discharge electrodes (not shown) arranged to face each other with the distal end portions 3, 3,... Of the optical fiber 1 interposed therebetween. Occurs, and the two optical fibers 1 are fusion-spliced by the discharge heat.
- the rotation shafts 18 of the respective fiber clamps 6 are pushed upward in the axial direction to release the fixation of the distal ends 3, 3, ⁇ of the optical fiber 1 by the fiber clamps 6, and then rotate.
- the shaft 18 is rotated in the reverse direction to rotate the respective arms 21 of the two fiber clamps 6 in the direction of arrow d in FIG. 1 to return to the standby position (FIG. 2a).
- a magnet 27 is attached to the lower surface of the arm 21 of the fiber clamp 6 as shown in FIG. 3, and a block block is provided at a position where the arm 21 of the fiber clamp 6 in the standby position crosses as shown in FIG. 30 is installed, and a sensor (magnetic sensor) 7 capable of detecting the magnet 27 attached to the arm 21 crossing the block base 30 is arranged on the upper surface of the block base 30 (FIG. 3). It is possible to determine whether or not the clamp 6 is at the standby position. Specifically, the ends 3, 3 'of the two optical fibers 1 were fitted into the guide grooves 4, 4' of the connection base 5, respectively, and waited at the standby position until the axis alignment was completed. When the fiber clamp 6 rotates in the direction of arrow c in FIG.
- the magnetic sensor 7 cannot detect the magnet 27 attached to the arm 21 and turns OFF. Become. Thereafter, when the fusion splicing is completed and the fiber clamp 6 returns to the standby position (FIG. 2A), the magnetic sensor 7 detects the magnet attached to the arm 21 and becomes ON. Therefore, whether or not the fiber clamp 6 is at the standby position can be determined based on whether the magnetic sensor is ON or OFF.
- the drive mechanism for sliding the holder 2 moves each holder 2 in the direction of the arrow b in FIG. 1 (retreat).
- the screening is performed by pulling the optical fiber 1 mounted on each of them in the same direction with a predetermined force. That is, when the pressing of the tip 3, 3 'of the optical fiber 1 by the fiber clamp 6 is released, the screening is automatically started.
- FIG. 4 A second embodiment of the present invention will be described with reference to FIG.
- the basic configuration of the screening mechanism shown in Fig. 4 is the same as that shown in Figs. The difference is that a mechanical switch (for example, a limit switch) 33 is provided on the upper surface of the block base 30, as shown in FIG. 4, and when the fiber clamp 6 returns to the standby position, the limit switch 3 is moved by the arm 21 of the fiber clamp 6.
- switch 3 When switch 3 is turned on or off by hitting 3, and when the fiber clamp 6 in the standby position is turned to the operating position, the limit switch 33 that was on or off is hit again, and ⁇ FF or ON.
- ⁇ FF or ON When switch 3 is turned on or off by hitting 3, and when the fiber clamp 6 in the standby position is turned to the operating position, the limit switch 33 that was on or off is hit again, and ⁇ FF or ON.
- FIG. 5 A third embodiment of the present invention will be described with reference to FIG.
- the basic configuration of the screening mechanism shown in Fig. 5 is the same as that shown in Figs. The difference is that, as shown in Fig. 5, a light-emitting element (not shown) and a light-receiving element (not shown) that receives light from the light-emitting element inside the connection machine body in which the rotating shaft 18 of the fiber clamp 6 is embedded.
- a light blocking member 39 protruding from the rotating shaft 18 passes between the light emitting element and the light receiving element to block light, thereby rotating the rotating shaft 18.
- the rotation of 18 is detected, and it is possible to determine whether or not the fiber clamp 6 is at the standby position based on the rotation.
- the screen is started when the fiber clamp returns to the standby position.
- the fiber clamp is not always required to be in the standby position. There is no need to wait for the fiber to return to the position, and the screening can be disclosed when the tip of the optical fiber is unlocked by the fiber clamp.
- the optical fiber is held by a fiber holder separate from one holder, and the fiber holder is mounted on one holder. However, one holder and one fiber holder are used. And can be integrated.
- the optical fiber need not be tape-shaped, and may be single-core or multi-core.
- the cross-sectional shape of the guide groove of one holder is not limited to V-shape. Industrial applicability
- the screening mechanism of the optical fiber fusion splicer of the present application is provided with a sensor capable of detecting whether or not the pressing of the tip of the optical fiber by the fiber clamp has been released, and when the release of the pressing is detected by the sensor, Since the holder base moves in the direction opposite to the direction in which the optical fibers are abutted and pulls the optical fiber to perform the screening automatically, the following effects are obtained.
- Screening is performed before the fiber clamp is released from being pressed by the fiber clamp, which damages the fiber, applies excessive force to break the fiber, or lowers the connection strength. There is no fear. Also, do not forget to screen.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00956932A EP1130430A4 (en) | 1999-09-09 | 2000-09-05 | PROTECTIVE SHEATHING MECHANISM FOR A FIBERGLASS SPLICE DEVICE |
CA002349941A CA2349941A1 (en) | 1999-09-09 | 2000-09-05 | Screening mechanism for optical fiber fusion splicing device |
US09/837,078 US6478481B2 (en) | 1999-09-09 | 2001-04-18 | Screening mechanism for optical fiber fusion-splicer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/256017 | 1999-09-09 | ||
JP25601799A JP3345856B2 (ja) | 1999-09-09 | 1999-09-09 | 光ファイバ融着接続機のスクリーニング機構 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/837,078 Continuation US6478481B2 (en) | 1999-09-09 | 2001-04-18 | Screening mechanism for optical fiber fusion-splicer |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001020378A1 true WO2001020378A1 (fr) | 2001-03-22 |
Family
ID=17286763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/006019 WO2001020378A1 (fr) | 1999-09-09 | 2000-09-05 | Mecanisme de blindage pour dispositif d'epissurage de fibres optiques par fusion |
Country Status (5)
Country | Link |
---|---|
US (1) | US6478481B2 (ja) |
EP (1) | EP1130430A4 (ja) |
JP (1) | JP3345856B2 (ja) |
CA (1) | CA2349941A1 (ja) |
WO (1) | WO2001020378A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9901493D0 (sv) * | 1999-04-26 | 1999-04-26 | Ericsson Telefon Ab L M | Fibersvetsningsapparat med uppvärmningsanordning |
WO2007052496A1 (ja) * | 2005-10-31 | 2007-05-10 | Toyota Jidosha Kabushiki Kaisha | 駐車支援装置 |
US8333519B2 (en) * | 2008-08-29 | 2012-12-18 | Adc Telecommunications, Inc. | Splice of fiber optic cables |
DE202009003964U1 (de) * | 2009-03-20 | 2009-05-20 | CCS Technology, Inc., Wilmington | Vorrichtung und Anordnung zum Trennen und Spleißen von Lichtwellenleitern |
US8915659B2 (en) | 2010-05-14 | 2014-12-23 | Adc Telecommunications, Inc. | Splice enclosure arrangement for fiber optic cables |
US8885998B2 (en) | 2010-12-09 | 2014-11-11 | Adc Telecommunications, Inc. | Splice enclosure arrangement for fiber optic cables |
JP5303673B1 (ja) * | 2012-07-06 | 2013-10-02 | 株式会社フジクラ | 光ファイバ融着接続機 |
CN104678497B (zh) * | 2015-03-06 | 2018-07-06 | 国网山东省电力公司青州市供电公司 | 户外光缆熔接工作台 |
CN105739021B (zh) * | 2016-05-03 | 2019-05-24 | 石家庄铁路职业技术学院 | 一种光纤均匀应力施加装置 |
CN106908902A (zh) * | 2017-04-14 | 2017-06-30 | 上海康阔光传感技术股份有限公司 | 光纤熔接机及光纤熔接方法 |
CN109351562A (zh) * | 2018-12-12 | 2019-02-19 | 法尔胜泓昇集团有限公司 | 一种用于光纤光栅与传感器内芯胶粘加热的装置***及其使用方法 |
CN114002773B (zh) * | 2021-11-04 | 2024-02-23 | 藤野(成都)科技有限公司 | 一种光纤放置机构及光纤熔接机 |
CN115097571B (zh) * | 2022-08-03 | 2024-02-13 | 安徽光驰通信设备有限公司 | 一种光纤熔接机整体推进调芯机构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0298310U (ja) * | 1989-01-20 | 1990-08-06 | ||
JPH09127357A (ja) * | 1995-10-31 | 1997-05-16 | Fujikura Ltd | 光ファイバの融着接続機 |
JPH11174263A (ja) * | 1997-12-17 | 1999-07-02 | Sumitomo Electric Ind Ltd | 光ファイバクランプ及び融着接続装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274707A (en) * | 1979-06-14 | 1981-06-23 | Northern Telecom Limited | Apparatus for fusion splicing of optical fibers |
GB8523157D0 (en) * | 1985-09-19 | 1985-10-23 | Bicc Plc | Optical fibre splicing |
US5002351A (en) * | 1988-07-05 | 1991-03-26 | Preformed Line Products Company | Fusion splicer for optical fibers |
JP2761003B2 (ja) | 1988-10-05 | 1998-06-04 | 松下電工株式会社 | 歯刷子 |
US5191632A (en) * | 1991-09-20 | 1993-03-02 | Minnesota Mining And Manufacturing Company | Splice actuator tool |
US5353366A (en) * | 1993-10-05 | 1994-10-04 | Minnesota Mining And Manufacturing Company | Optical fiber splicing station |
CA2116934C (en) * | 1994-03-03 | 2000-08-01 | Murray R. Harman | Method for controlling the contact of optical fibers |
JP3168844B2 (ja) * | 1994-10-13 | 2001-05-21 | 住友電気工業株式会社 | 定偏波光ファイバの融着接続方法 |
US5524163A (en) * | 1994-12-29 | 1996-06-04 | Sumitomo Electric Industries, Ltd. | Apparatus for splicing optical fibers and method for the same |
JP3065271B2 (ja) * | 1997-04-10 | 2000-07-17 | 住友電気工業株式会社 | 融着接続装置 |
SE511820C2 (sv) * | 1997-05-23 | 1999-11-29 | Ericsson Telefon Ab L M | Anordning för hopsvetsning av optiska fibrer |
JP3245850B2 (ja) * | 1997-08-25 | 2002-01-15 | 住友電気工業株式会社 | 光ファイバ心線の被覆除去装置 |
US6088503A (en) * | 1998-02-02 | 2000-07-11 | Ciena Corporation | Optical fiber precision handling tool |
-
1999
- 1999-09-09 JP JP25601799A patent/JP3345856B2/ja not_active Expired - Fee Related
-
2000
- 2000-09-05 CA CA002349941A patent/CA2349941A1/en not_active Abandoned
- 2000-09-05 WO PCT/JP2000/006019 patent/WO2001020378A1/ja not_active Application Discontinuation
- 2000-09-05 EP EP00956932A patent/EP1130430A4/en not_active Withdrawn
-
2001
- 2001-04-18 US US09/837,078 patent/US6478481B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0298310U (ja) * | 1989-01-20 | 1990-08-06 | ||
JPH09127357A (ja) * | 1995-10-31 | 1997-05-16 | Fujikura Ltd | 光ファイバの融着接続機 |
JPH11174263A (ja) * | 1997-12-17 | 1999-07-02 | Sumitomo Electric Ind Ltd | 光ファイバクランプ及び融着接続装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1130430A4 * |
Also Published As
Publication number | Publication date |
---|---|
US6478481B2 (en) | 2002-11-12 |
CA2349941A1 (en) | 2001-03-22 |
EP1130430A1 (en) | 2001-09-05 |
US20010041035A1 (en) | 2001-11-15 |
JP3345856B2 (ja) | 2002-11-18 |
EP1130430A4 (en) | 2003-01-15 |
JP2001083356A (ja) | 2001-03-30 |
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