CN103376519A - Urgent repair method for special optical cable - Google Patents
Urgent repair method for special optical cable Download PDFInfo
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- CN103376519A CN103376519A CN2012101162610A CN201210116261A CN103376519A CN 103376519 A CN103376519 A CN 103376519A CN 2012101162610 A CN2012101162610 A CN 2012101162610A CN 201210116261 A CN201210116261 A CN 201210116261A CN 103376519 A CN103376519 A CN 103376519A
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- optical cable
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- special optical
- shrink tube
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Abstract
The title of the invention is an urgent repair method for a special optical cable mainly used for an urgent repair of a special optical cable such as a field operation optical cable, a television relaying optical cable and the like. According to the invention, an urgent repair can be made for the special optical cable in a very short time without electric supply to restore an optical channel and mechanical properties thereof so that a fault of the special optical cable can be effectively solved in real time, communication interruption time is shortened and the repaired optical cable can meet repeatedly retractable and reusable requirements. An optical fiber splice is used for splice of optical fibers so that the optical channel can be quickly restored; a single-layer shrinkable tube is used for protecting the splice so that the splice is recyclable and reusable when the optical cable is under repair; and a double-layer shrinkable tube is used for protecting the splice so that heat-shrinking protection can be completed with no power but only a windproof lighter, mechanical strength of the optical cable is restored with tensile resistance of over 1000N and waterproof fire-retardant properties, outer diameter is increased by only about 1mm, the optical cable can be repeatedly retractable on a cable tray, and therefore the problem of urgent repair being difficult for the special optical cable is effectively solved.
Description
One, technical field
The present invention relates to the special optical cable emergency repair method, mainly apply to the repairing of the special optical cables such as optical fiber cable for field operation, television relay optical cable.The present invention can rush to repair special optical cable in lower very short time without the civil power condition, recover optical channel and mechanical property thereof, can effectively solve in real time the special optical cable fault, shorten communication interruption time, optical cable after the reparation can satisfy repeatedly folding and unfolding, reusable requirement.
Two, background technology
It is large that optical fiber communication has message capacity, and the advantages such as loss is low, anti-electromagnetic interference (EMI) are widely used in the professional transmission in the broadbands such as phone, fax, Email, tele-medicine, video request program, are the Main Means of present communications.
Special optical cable is a kind of of communications optical cable, is specially for using the metal free optical fiber cable that designs under fast wiring or the repeatedly folding and unfolding condition under field operations and the complex environment, have lightweight, be convenient for carrying; Tension stress is strong, compressive resistance platform, the ratio of strength to weight are high; Flexibility is good, and is flexible; Oil resistant, wear-resisting, fire-retardant; The characteristics such as the Applicable temperature scope is wide.After damage, fault appear in special optical cable, the domestic present special emergency repair method that also do not have, general employing lays the method that substitutes optical cable and recovers channel, and communication interruption time is longer; Then generally adopt optical fiber splicer to carry out fibre junction for the fault optical cable, adopt connector box protection splicing point, still; after using the connector box protection, external diameter increases decades of times, can't repeatedly folding and unfolding on reel; and physical strength is inadequate, and tensile property is poor, the water proof fire retardant poor performance.
Three, summary of the invention
The present invention adopts the optical fiber connector jointed fiber, can promptly recover optical channel; With the individual layer heat-shrink tube connector is protected, made connector recyclable when repairing optical cable, Reusability; With twolayer firing shrinkage tube splicing point is protected, be need not civil power, recover cable machinery intensity; more than the stretching resistance 1000N, have the water proof fire retardant performance, and external diameter only increases about 1mm; can repeatedly folding and unfolding on reel, effectively solved the repairing difficult problem of special optical cable.
The technical matters that (one) will solve
Special optical cable in use meet accident unavoidably damage, the fracture; because the singularity of its structure; overwhelming majority user lays optical cable to recover communication again; consuming time longer; the time of communication disruption is also longer, and all is to give it up or carry out simply welding usually for old optical cable, does not carry out mechanical protection; again repeatedly folding and unfolding, reuse, cause the huge wasting of resources (the special optical cable price is about 10 yuan/meter).
Adopt the present invention that special optical cable is rushed to repair; can in 5 minutes, recover optical channel; recover the breaking part mechanical protection in 15 minutes; and can be with the splicing point loss control below 0.2dB; satisfy communicating requirement; and the breaking portion mechanical property can recover fully, satisfies fire-retardant, waterproof, tension, the requirement such as wear-resistant.
(2) technical scheme
1, adopts the optical fiber connector jointed fiber, shortened the Communication Block time
After damage, fracture appearred in special optical cable, the special optical cable that again lays 1 kilometer needed the time more than 20 minutes, can not satisfy communication efficiency; And adopt optical fiber connector to continue, only need to divest oversheath, cut aramid fiber yarn, remove beam tube, make fiber end face, several steps such as continue just can recover rapidly optical channel, about about 5 minutes of the operating personnel's connecting time that is skilled in technique, and connecting loss generally can be controlled in below the 0.2dB, can satisfy the transmission demand fully.
2, adopt heat-shrink tube to protect, improved the breaking portion mechanical property
Because about 15 centimetres of strippings generally respectively opened special optical cable oversheath both sides by the needs that continue, continue finish after, nearly 30 centimetres optical fiber has lost the protection of oversheath.The present invention adopts heat-shrink tube that breaking portion is protected, benefit have following some: the one, handled easily under the working environment, does not need power supply in the open air, only just can finish pyrocondensation protection with windproof lighter; The 2nd, physical strength is large, after the heat-shrink tube cooling, has fire-retardant, waterproof, tension, the performance such as wear-resistant, and is consistent with special optical cable oversheath performance; The 3rd, repeatedly folding and unfolding, reuse; after the in the past special optical cable fracture; after generally not taking the safeguard measures such as safeguard measure or employing steel pipe; can't carry out normally folding and unfolding uses; affect result of use, and after adopting the heat-shrink tube protection, it is good to satisfy its flexibility fully; flexible characteristics, are reused repeatedly folding and unfolding.
(3) beneficial effect
1, shortened connecting time, it is ageing to have improved communication support
Use special optical cable repairing tool box repairing fault special optical cable; finish fibre junction, recover about 5 minutes of optical channel time; finish the pyrocondensation of breaking portion and protect about 15 minutes; this than present employing again lay optical cable recover communication greatly shortened the time; greatly improved the ageing of communication support, be specially adapted to the exigent special optical cables of timeliness such as field environment, TV are relayed live, communication line repairing and use.
2, retrieve a large amount of economic losses, had good economic benefits
At present, 1 kilometer special optical cable market price is about 10,000 yuan, in use damage, after the fault such as fracture, there is not preferably restorative procedure, generally all be to use new optical cable instead, the optical cable after the reparation also just uses conditionally, can't quickly retracting, or even abandon, cause a large amount of economic losses to applying unit.And adopt the present invention that special optical cable is rushed to repair, and can recover well its optical transmission performance, can satisfy again its mechanical property requirement, realize repeatedly folding and unfolding, reuse, can retrieve a large amount of economic losses for applying unit.
Four, embodiment
Adopt the present invention to carry out the special optical cable repairing, need to use some fibre junction specific purpose tools.We case related tool, make special optical cable repairing tool box.The tool box mainly comprises optical fiber cutter, heat-shrink tube, optical fiber connector, Muller pincers, tape measure, multifunctional pincer, alcohol pump, windproof lighter etc.; the main optical fiber connector that adopts continues to optical fiber, adopts heat-shrink tube that the breaking portion cable outer sheath is carried out mechanical protection.
1, the preliminary work that continues
(1) cover heat-shrink tube
Put the ES-1 heat-shrink tube (this pipe is bimetallic tube, and two interlayers have hot melt adhesive) of 40 centimeter length from special optical cable breaking part one side, put again the individual layer heat-shrink tube of 15 centimeter length.
(2) open the stripping oversheath
Respectively measure out 15 centimetres with tape measure in the fault points of optical cables both sides, remove cable outer sheath with multifunctional pincer from measuring.
(3) remove aramid fiber yarn
After removing cable outer sheath, be presented at the moment be the center beam tube that aramid fiber yarn surrounds, from oversheath, measure out the aramid fiber yarn of 5 centimeter length, all the other are cut with multifunctional pincer.
2, continue
(1) removes beam tube
With the Muller pincers both sides beam tube is respectively removed about 8 centimetres, exposed optical fiber, clean optical fiber with anhydrous alcohol again, wipe out the ointment on the optical fiber.
(2) preparation fiber end face
Remove 5 centimetres of left and right sides optical fiber coatings with the Muller pincers first, clean with anhydrous alcohol, from inner outside wiping, hear that " quack " sound shows that cleaning is clean when noting wiping.Then make end face with optical fiber cutter, notice that Cutting Length should be consistent with the connector requirement, be generally the 13-14 millimeter, and guarantee that the cutting end face is smooth, smooth.
(3) continue
Optical fiber with well cutting inserts connector one side (naked fibre enters in the connector fully) first, and tighten connector and fix, again another root optical fiber is inserted the connector opposite side, when note inserting action must be gently, want slowly, when the sensation insertion is obstructed, namely connect with opposite side optical fiber, keep optical fiber motionless this moment, tighten connector, complete connection.
3, protection
After two optical fiber all connect with connector, the individual layer heat-shrink tube is moved to the connector place, heated the protection connector to both sides by the centre with lighter.Again outside heat-shrink tube is moved to place's of continuing (do not have the part of oversheath protection should be all in heat-shrink tube), from the centre to the both sides homogeneous heating, heat-shrink tube is shunk with windproof lighter, finish the mechanical protection to special optical cable.
Claims (4)
1. special optical cable emergency repair method; it is characterized in that adopting optical fiber connector to rob logical special optical cable; greatly shortened optical channel release time; connector is outer to be protected with the individual layer heat-shrink tube, has realized recycling of connector, has reduced the repairing expense; splicing point carries out mechanical protection with heat-shrink tube; realize the repeatedly folding and unfolding of special optical cable after the repairing, reused, retrieved a large amount of economic losses.
2. optical fiber connector jointed fiber as claimed in claim 1 is characterized in that and can finish fibre junction within a short period of time, and loss can be controlled in below the 0.2dB, has greatly reduced communication interruption time.
3. individual layer heat-shrink tube as claimed in claim 1 protection connector, it is characterized in that using optical fiber connector to continue before, be inserted in first the individual layer heat-shrink tube, continue and optical fiber connector protected after finishing, realized the Reusability of connector.
4. splicing point as claimed in claim 1 is protected with heat-shrink tube; it is characterized in that using ES-1 heat-shrink tube (bilayer; hot melt adhesive is arranged); adopt windproof lighter heating (need not civil power), can recover well the mechanical property of splicing point, external diameter increases about 2mm after the pyrocondensation; having solved that special optical cable reaches under the harsh and unforgiving environments after the repairing in the open air can't Reusability; the problem of splicing point bad mechanical property, and expense is cheap, only is about 60 yuan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101162610A CN103376519A (en) | 2012-04-20 | 2012-04-20 | Urgent repair method for special optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101162610A CN103376519A (en) | 2012-04-20 | 2012-04-20 | Urgent repair method for special optical cable |
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| Publication Number | Publication Date |
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| CN103376519A true CN103376519A (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101162610A Pending CN103376519A (en) | 2012-04-20 | 2012-04-20 | Urgent repair method for special optical cable |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065998A1 (en) * | 2014-10-29 | 2016-05-06 | 国家电网公司 | Optical cable splicing method |
| CN108631222A (en) * | 2018-03-19 | 2018-10-09 | 柳州钢铁股份有限公司 | Zinc-Oxide Arrester lead cracking restorative procedure |
| CN115079359A (en) * | 2022-05-19 | 2022-09-20 | 中国人民解放军96872部队 | Method for repairing field operation optical cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2401906Y (en) * | 1999-12-15 | 2000-10-18 | 浙江大学 | Multi-core optical fiber thermal condensed reiforcing pipe |
| US7257305B1 (en) * | 2004-09-14 | 2007-08-14 | At&T Corp. | Method and apparatus for removing an isolation closure from a fiber optic cable |
| CN201421509Y (en) * | 2009-04-30 | 2010-03-10 | 上海电信通信设备有限公司 | Stepless fixing device of optical fiber splice |
| CN201464682U (en) * | 2009-07-23 | 2010-05-12 | 上海启鹏化工有限公司 | Optical cable fixation and connection protective tube |
| CN102331602A (en) * | 2011-10-09 | 2012-01-25 | 上海电信工程有限公司 | Cleft grafting method for optical fiber instant interruption service |
| CN202153623U (en) * | 2011-06-13 | 2012-02-29 | 中科英华高技术股份有限公司 | Cable insulation sealing repair belt applied under nuclear power 1E-level K1-type environment |
-
2012
- 2012-04-20 CN CN2012101162610A patent/CN103376519A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2401906Y (en) * | 1999-12-15 | 2000-10-18 | 浙江大学 | Multi-core optical fiber thermal condensed reiforcing pipe |
| US7257305B1 (en) * | 2004-09-14 | 2007-08-14 | At&T Corp. | Method and apparatus for removing an isolation closure from a fiber optic cable |
| CN201421509Y (en) * | 2009-04-30 | 2010-03-10 | 上海电信通信设备有限公司 | Stepless fixing device of optical fiber splice |
| CN201464682U (en) * | 2009-07-23 | 2010-05-12 | 上海启鹏化工有限公司 | Optical cable fixation and connection protective tube |
| CN202153623U (en) * | 2011-06-13 | 2012-02-29 | 中科英华高技术股份有限公司 | Cable insulation sealing repair belt applied under nuclear power 1E-level K1-type environment |
| CN102331602A (en) * | 2011-10-09 | 2012-01-25 | 上海电信工程有限公司 | Cleft grafting method for optical fiber instant interruption service |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065998A1 (en) * | 2014-10-29 | 2016-05-06 | 国家电网公司 | Optical cable splicing method |
| CN108631222A (en) * | 2018-03-19 | 2018-10-09 | 柳州钢铁股份有限公司 | Zinc-Oxide Arrester lead cracking restorative procedure |
| CN115079359A (en) * | 2022-05-19 | 2022-09-20 | 中国人民解放军96872部队 | Method for repairing field operation optical cable |
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Application publication date: 20131030 |