CN110456469A - Optical cable for optical cable production loses analog component - Google Patents

Optical cable for optical cable production loses analog component Download PDF

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Publication number
CN110456469A
CN110456469A CN201910586660.5A CN201910586660A CN110456469A CN 110456469 A CN110456469 A CN 110456469A CN 201910586660 A CN201910586660 A CN 201910586660A CN 110456469 A CN110456469 A CN 110456469A
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China
Prior art keywords
optical cable
optical
simulation
main body
optical fiber
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CN201910586660.5A
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CN110456469B (en
Inventor
杨喜海
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Hangzhou Futong Communication Technology Co Ltd
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Hangzhou Futong Communication Technology Co Ltd
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Priority to CN201910586660.5A priority Critical patent/CN110456469B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479Manufacturing methods of optical cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479Manufacturing methods of optical cables
    • G02B6/4486Protective covering

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The invention discloses a kind of optical cables for optical cable production to lose analog component, including simulation optical cable part, Temperature Humidity Sensor, pressure sensor and connector;Simulation optical cable part includes simulating optical cable main body and a pair of of seal head positioned at simulation optical cable main body both ends;Simulating optical cable main body includes the second optical fiber, and surrounding layer is cased with outside the second fiber outer surface;Connector is to include housing in the dead ring and connection dead ring of surrounding layer outer surface and the fixing piece for simulating optical cable part, and dead ring is equipped with clamping part and compatible with clamping part is snapped portion;Simulation optical cable main body both ends have the sealing block being connected with surrounding layer, and sealing block is equipped with the through-hole passed through convenient for the second optical fiber.When the application is for detecting bending and it is in high-temperature, high humidity regions, the temperature and humidity of optical cable or generation bending generate the optical property of tension and the second optical fiber;So that by detection simulation optical cable part the case where not dismantling optical cable, on the spot or the damage of the first optical fiber of online evaluation.

Description

Optical cable for optical cable production loses analog component
It is on October 20th, 2017 that the application, which is the applying date, application No. is 201710985127.7, entitled " optical cable Production technology " divisional application.
Technical field
The present invention relates to the production technology manufacturing fields of optical cable, and in particular to a kind of production technology of optical cable.
Background technique
With the continuous development of optical communication technique and industry, optical sensing replace conditional electronic sensing technology coal mine, The various industries such as electric power, security against fire and people's livelihood field are all widely used.Fibre optical sensor and conditional electronic sense Device compares, and has the advantages that a series of: high sensitivity, corrosion-resistant, transmission capacity is big, anti-electromagnetic interference capability is strong, structure is simple Just, small in size, light-weight, little power consumption etc..Optical cable (optical fiber cable) is to meet optics, machinery or environment Performance specification and manufacture, it is using one or more optical fiber being placed in cladding sheath as transmission medium and can be single The communications cable component solely or in groups used.Optical cable is mainly made of optical fiber and plastic protective sleeve pipe and plastic peel, Without the noble metals such as gold, silver, copper, general non-recovery value in optical cable.Optical cable is a certain number of optical fiber according to certain way group The stranding heart is surrounded by sheath, some also cladding outer jackets, to realize a kind of communication line of optical signal transmission outside.Optical cable is served as reasons The cable that optical fiber (optical transmission carrier) is formed by certain technique.The basic structure of optical cable is usually by cable core, reinforces steel A few part compositions such as silk, filler and sheath, according further to needing, there are also anti-organic solvent layer, buffer layer, insulated metal conducting wires Equal components.
Existing optical cable is easy to happen optical fiber hydrogen loss in the region use that some temperature are high, humidity is high, generally requires to one Determine region reload temperature, moisture control unit, but sixty-four dollar question is can not to assess optical cable under rugged environment, part Optical fiber damage;The case where optical cable is bent frequent occurrence in use simultaneously, more than the bending meeting of certain limit Influence the performance of optical fiber, can damage as online evaluation on the spot, equally directly affect the service life of optical cable.
Summary of the invention
In view of the above-mentioned problems, proposing a kind of production technology of optical cable, solving existing optical cable can not comment the present invention on the spot Estimate optical fiber hydrogen loss occurs and loses the defect of rear damage.
The technical solution adopted by the present invention is as follows:
A kind of production technology of optical cable, comprising the following steps:
1) unwrapping wire process: the first optical fiber is respectively placed on active actinobacillus frame, releases the first optical fiber;
2) fiber paste coats process: will release the first optical fiber by fiber paste coating equipment, carries out coating fiber paste;
3) injection step: by igelite by extrusion molding, covering polyvinyl chloride is molded in the first optical fiber appearance and is formed Sheath obtains optical cable intermediate;
4) optical cable loses analog component production process: the second optical fiber will be respectively placed on active actinobacillus frame, release second Second fiber cut is carried out coating fiber paste by the second optical fiber of truncation by fiber paste coating equipment by optical fiber;By temperature and humidity Sensor and pressure sensor are fixed on the second optical fiber side coated with fiber paste, and Temperature Humidity Sensor and pressure sensor point Not parallel second outer fiber is placed;Covering polychlorostyrene second is molded in the second optical fiber, Temperature Humidity Sensor and pressure sensor appearance Alkene forms surrounding layer;Both ends exceptionally covering is cut out, second optic fibre end at both ends is exposed;Sealing block is inserted into both ends surrounding layer Fiber paste surface, and make the second optic fibre end pass through through-hole;Outer circular edge is adhered on the end face of surrounding layer, in outer circular edge The sealing margin for having processed the first groove and the second groove is inserted in side;Seal head is loaded onto outside outer circular edge, obtains light Cable loses analog component middleware;
5) fixing piece one end: being adhered to the bottom of simulation optical cable part middleware by installation procedure, and the other end is adhered to expansion Dead ring middle part;Dead ring is coated on optical cable intermediate, and clamping part and the portion of being snapped mutually buckle realization and fix, Obtain optical cable finished product;
Wherein, it includes simulation optical cable part, Temperature Humidity Sensor, pressure biography that the optical cable in the step 4), which loses analog component, Sensor and connector;The simulation optical cable part includes simulating optical cable main body and a pair of of sealing positioned at simulation optical cable main body both ends Head;The simulation optical cable main body includes the second optical fiber, and surrounding layer is cased with outside second fiber outer surface;The temperature and humidity sensing Device and pressure sensor are mounted in the surrounding layer of lower end, and the data line and pressure sensing of the second optical fiber, Temperature Humidity Sensor The data line of device stretches out the both sides of the face of simulation optical cable main body respectively, and the simulation optical cable part both ends have the annular of evagination outer Edge, the outer circular edge are threadedly engaged with seal head, are equipped with silica gel margin on the inside of the outer circular edge, the silicagel pad is first Hold the cambered surface with indent, the other end has the first groove compatible with the second optical fiber and compatible with data line second recessed Slot;First optical fiber and the second optical fiber are identical optical fiber;
The connector is to include housing in the dead ring of surrounding layer outer surface and connection dead ring and simulation optical cable part Fixing piece, the dead ring are equipped with clamping part and compatible with clamping part are snapped portion;Simulation optical cable main body both ends With the sealing block being connected with surrounding layer, there is the through-hole passed through convenient for the second optical fiber on the sealing block.
The present invention loses analog component by the optical cable for installing additional on optical cable for simulating the first optical fiber and its sheath, and It simulates and installs Temperature Humidity Sensor and pressure sensor in optical cable main body additional, for detection in bending, and be in high-temperature, height Humidity regions, the temperature and humidity of optical cable or the optical property that bending generation tension and the second optical fiber occurs;So that not dismantling light The case where cable by detection simulation optical cable part, on the spot or the damage of the first optical fiber of online evaluation.Production of the invention Simple process, cost is relatively low.
Optionally, the production technology of the optical cable further includes cooling process, and the cooling process is located at after injection step, The operation of cooling process are as follows: cold air is used, jacket surface is purged, so that the temperature of jacket outer surface is down to room temperature, Obtain optical cable intermediate after cooling.
Optionally, the temperature of the cold air is 15 ± 5 DEG C.
Optionally, laying tension is respectively 120 ± 10g in the step 1).
The dynamic viscosity of the fiber paste is greater than or equal to 4000mpas.
Optionally, the flammable index of the fiber paste is greater than or equal to 300 DEG C.
Optionally, the cambered surface bottom of the silica gel margin has smooth circular platform;The cambered surface week of the silica gel margin Increasing on wall with evagination rubs component.
Optionally, the clamping part is fixture block, and the portion of being snapped is card slot.
The beneficial effects of the present invention are: the present invention on optical cable by installing the light for simulating the first optical fiber and its sheath additional Cable loses analog component, and installs Temperature Humidity Sensor and pressure sensor additional in simulation optical cable main body, is bending for detecting When, and it is in high-temperature, high humidity regions, the temperature and humidity of optical cable or the light that bending generation tension and the second optical fiber occurs Learn performance;So that by detection simulation optical cable part the case where not dismantling optical cable, on the spot or online evaluation the first optical fiber Damage.Production technology of the invention is easy, and cost is relatively low.
Detailed description of the invention:
Fig. 1 is the flow chart of the production technology of the optical cable of the embodiment of the present invention one;
Fig. 2 is the structural schematic diagram of the optical cable of the embodiment of the present invention one;
Fig. 3 is that the optical cable of the optical cable of the embodiment of the present invention one loses analog component the schematic diagram of the section structure;
Fig. 4 is the silicagel pad end surface structural schematic diagram of the optical cable of the embodiment of the present invention one;
Fig. 5 is the dead ring deployed configuration schematic diagram of the optical cable of the embodiment of the present invention one.
Each appended drawing reference in figure are as follows:
1, the first optical fiber;2, sheath;3, optical cable loses analog component;4, optical cable part is simulated;5, Temperature Humidity Sensor;6, it presses Force snesor;7, main body is simulated;8, seal head;9, fiber paste;10, the second optical fiber;11, surrounding layer;12, data line;13, annular is outer Edge;14, silica gel margin;15, the first groove;16, the second groove;17, sealing block;18, dead ring;19, fixing piece;20, it buckles Portion;21, it is snapped portion;22, through-hole;23, circular platform;24, increase the component that rubs;25, connector.
Specific embodiment:
Below with reference to each attached drawing, the present invention will be described in detail.
The dynamic viscosity of fiber paste refers in 25 DEG C, D=50S in the present invention-1Under conditions of data.
Embodiment one: the invention discloses a kind of production technology of optical cable (see attached drawings 1,2,3,4,5), including following step It is rapid:
1) unwrapping wire process: the first optical fiber 1 is respectively placed on active actinobacillus frame, releases the first optical fiber 1, laying tension difference For 120 ± 10g;
2) fiber paste coats process: will release the first optical fiber 1 by 9 coating equipment of fiber paste, carries out coating fiber paste 9;
3) injection step: by igelite by extrusion molding, covering polyvinyl chloride is molded in 1 appearance of the first optical fiber and is formed Sheath 2 obtains optical cable intermediate;
4) cooling process: using 15 ± 5 DEG C of cold air, purge to 2 surface of sheath, so that 2 outer surface of sheath Temperature is down to room temperature, obtains optical cable intermediate after cooling;
5) optical cable loses analog component production process: the second optical fiber 10 will be respectively placed on active actinobacillus frame, release the Second optical fiber 10 is truncated two optical fiber 10, by the second optical fiber 10 of truncation by 9 coating equipment of fiber paste, carries out coating fiber paste 9;Temperature Humidity Sensor 5 and pressure sensor 6 are fixed on 10 side of the second optical fiber coated with fiber paste 9, and temperature and humidity sensing Device 5 is distinguished with pressure sensor 6 to be placed outside parallel second optical fiber 10;It is passed in the second optical fiber 10, Temperature Humidity Sensor 5 and pressure 6 appearance of sensor injection molding covering polyvinyl chloride forms surrounding layer 11;Both ends exceptionally covering 11 is cut out, second optical fiber at both ends is exposed 10 ends;Sealing block 17 is inserted to 9 surface of fiber paste of both ends surrounding layer 11, and 10 end of the second optical fiber is made to pass through through-hole 22; Outer circular edge 13 is adhered on the end face of surrounding layer 11, is inserted on the inside of outer circular edge 13 and has been processed the first groove 15 and second The sealing margin of groove 16;Seal head 8 is loaded onto outside outer circular edge 13, is obtained optical cable and is lost 3 middleware of analog component;
6) 19 one end of fixing piece: being adhered to the bottom of simulation 4 middleware of optical cable part by installation procedure, and the other end is adhered to exhibition The middle part for the dead ring 18 opened;Dead ring 18 is coated on optical cable intermediate, and clamping part 20 and be snapped portion 21 mutually block Button, which is realized, to be fixed, and optical cable finished product is obtained;
Wherein, it includes simulation optical cable part 4, Temperature Humidity Sensor 5, pressure sensing that optical cable of the invention, which loses analog component 3, Device 6 and connector 25;The simulation optical cable part 4 includes simulation optical cable main body and a pair of of sealing positioned at simulation optical cable main body both ends First 8;The simulation optical cable main body includes the second optical fiber 10, is cased with surrounding layer 11 outside 10 outer surface of the second optical fiber;The temperature Humidity sensor 5 and pressure sensor 6 are mounted in the surrounding layer 11 of lower end, and the number of the second optical fiber 10, Temperature Humidity Sensor 5 According to the data line 12 of line 12 and pressure sensor 6 respectively stretch out simulation optical cable main body both sides of the face, described 4 liang of simulation optical cable part The outer circular edge 13 with evagination is held, the outer circular edge 13 is threadedly engaged with seal head 8, installs on the inside of the outer circular edge 13 There is silica gel margin 14, described 14 one end of silica gel margin has the cambered surface of indent, and the other end has compatible with the second optical fiber 10 First groove 15 and second groove 16 compatible with data line 12;First optical fiber 1 and the second optical fiber 10 are identical light It is fine;
The connector 25 is to include housing in the dead ring 18 of 11 outer surface of surrounding layer and connection dead ring 18 and simulation The fixing piece 19 of optical cable part 4, the dead ring 18 are equipped with clamping part 20 and compatible with clamping part 20 are snapped portion 2120; The simulation optical cable main body both ends have the sealing block 17 being connected with surrounding layer 11, have on the sealing block 17 and are convenient for the second light The through-hole 22 that fibre 10 passes through.
The present invention loses analog component 3 by installing the optical cable for being used to simulate the first optical fiber 1 and its sheath 2 additional on optical cable, And Temperature Humidity Sensor 5 and pressure sensor 6 are installed additional in simulation optical cable main body, for detection in bending, and in height Temperature, high humidity regions, the temperature and humidity of optical cable or the optical property that bending generation tension and the second optical fiber 10 occurs;So that By detection simulation optical cable part 4 the case where not dismantling optical cable, on the spot or the damage of the first optical fiber of online evaluation 1. Production technology of the invention is easy, and cost is relatively low.
Wherein the dynamic viscosity of the fiber paste 9 is greater than or equal to 4000mpas.Wherein, the flammable index of the fiber paste 9 More than or equal to 300 DEG C.Wherein, the cambered surface bottom of the silica gel margin 14 has smooth circular platform 23;The silicagel pad Increasing on first 14 cambered surface peripheral wall with evagination rubs component 24.Wherein, the clamping part 20 is fixture block, and the portion 21 that is snapped is Card slot.
When the present invention is implemented, Risk Assessment Report is evaluated according to the use environment of the production technology to optical cable, in high temperature Humidity or bending place, which install optical cable additional, loses analog component, in monitoring, dismantles seal head, tests the second optical fiber using detection device Optical property and Temperature Humidity Sensor and pressure sensor numerical value.
The above description is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content Field similarly includes within the scope of the present invention.

Claims (3)

1. a kind of optical cable for optical cable production loses analog component, which is characterized in that including simulating optical cable part, temperature and humidity sensing Device, pressure sensor and connector;The simulation optical cable part includes simulating optical cable main body and positioned at simulation optical cable main body both ends A pair of of seal head;The simulation optical cable main body includes the second optical fiber, and surrounding layer is cased with outside second fiber outer surface;The temperature Humidity sensor and pressure sensor are mounted in the surrounding layer of lower end, and the data line of the second optical fiber, Temperature Humidity Sensor and The data line of pressure sensor stretches out the both sides of the face of simulation optical cable main body respectively, and the simulation optical cable part both ends have evagination Outer circular edge, the outer circular edge are threadedly engaged with seal head, are equipped with silica gel margin, the silica gel on the inside of the outer circular edge Margin one end has the cambered surface of indent, and the other end has the first groove compatible with the second optical fiber and compatible with data line Second groove;
The connector is to include housing in the dead ring of surrounding layer outer surface and connection dead ring and the fixation for simulating optical cable part Part, the dead ring are equipped with clamping part and compatible with clamping part are snapped portion;Simulation optical cable main body both ends have The sealing block being connected with surrounding layer, the sealing block are equipped with the through-hole passed through convenient for the second optical fiber.
2. the optical cable for optical cable production loses analog component as described in claim 1, which is characterized in that the silica gel margin Cambered surface bottom have smooth circular platform;Increasing on the cambered surface peripheral wall of the silica gel margin with evagination rubs component.
3. the optical cable for optical cable production loses analog component as described in claim 1, which is characterized in that the clamping part is Fixture block, the portion of being snapped are card slot.
CN201910586660.5A 2017-10-20 2017-10-20 Optical cable breakage simulation component for optical cable production Expired - Fee Related CN110456469B (en)

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CN201710985127.7A CN107783234B (en) 2017-10-20 2017-10-20 The production technology of optical cable
CN201910586660.5A CN110456469B (en) 2017-10-20 2017-10-20 Optical cable breakage simulation component for optical cable production

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1609645A (en) * 2004-11-25 2005-04-27 长飞光纤光缆有限公司 Mixed optical cable with sensing and communication function and producing method thereof
CN201765351U (en) * 2010-05-18 2011-03-16 华北电力大学(保定) Seawater temperature profile measuring optical cable based on FBG (fiber bragg grating) principle
CN105044864A (en) * 2015-07-21 2015-11-11 江苏通光海洋光电科技有限公司 Intelligent submarine cable with invisibly implanted sensing fiber in cable core insulating layer
CN105974544A (en) * 2016-07-25 2016-09-28 长飞光纤光缆股份有限公司 Sensing-communication composite optical cable
WO2017001826A1 (en) * 2015-06-29 2017-01-05 Optasense Holdings Limited Monitoring of power cables with distributed fibre optic sensing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202196210U (en) * 2011-08-11 2012-04-18 江苏亨通光电股份有限公司 Multifunctional induction optical cable
CN205139433U (en) * 2015-10-22 2016-04-06 中国船舶重工集团公司第七一五研究所 A distributing type optical cable of meeting an emergency for monitoring of structure surface strain

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1609645A (en) * 2004-11-25 2005-04-27 长飞光纤光缆有限公司 Mixed optical cable with sensing and communication function and producing method thereof
CN201765351U (en) * 2010-05-18 2011-03-16 华北电力大学(保定) Seawater temperature profile measuring optical cable based on FBG (fiber bragg grating) principle
WO2017001826A1 (en) * 2015-06-29 2017-01-05 Optasense Holdings Limited Monitoring of power cables with distributed fibre optic sensing
CN105044864A (en) * 2015-07-21 2015-11-11 江苏通光海洋光电科技有限公司 Intelligent submarine cable with invisibly implanted sensing fiber in cable core insulating layer
CN105974544A (en) * 2016-07-25 2016-09-28 长飞光纤光缆股份有限公司 Sensing-communication composite optical cable

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CN110456469B (en) 2020-06-12
CN107783234A (en) 2018-03-09

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