CN108387987A - A kind of layer-twisted optical fiber ribbon cable - Google Patents
A kind of layer-twisted optical fiber ribbon cable Download PDFInfo
- Publication number
- CN108387987A CN108387987A CN201810415528.3A CN201810415528A CN108387987A CN 108387987 A CN108387987 A CN 108387987A CN 201810415528 A CN201810415528 A CN 201810415528A CN 108387987 A CN108387987 A CN 108387987A
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- optical fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 56
- 239000000835 fiber Substances 0.000 claims abstract description 51
- 239000003063 flame retardant Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 239000002674 ointment Substances 0.000 claims description 27
- 229910003460 diamond Inorganic materials 0.000 claims description 22
- 239000010432 diamond Substances 0.000 claims description 22
- 239000002199 base oil Substances 0.000 claims description 20
- 239000002562 thickening agent Substances 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 11
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical group C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- 239000010779 crude oil Substances 0.000 claims description 7
- 150000002191 fatty alcohols Chemical class 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 229920002401 polyacrylamide Polymers 0.000 claims description 7
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 7
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 7
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 37
- 230000003287 optical effect Effects 0.000 description 20
- 239000000463 material Substances 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 235000006708 antioxidants Nutrition 0.000 description 6
- 239000003431 cross linking reagent Substances 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical group CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 239000004250 tert-Butylhydroquinone Substances 0.000 description 5
- 235000019281 tert-butylhydroquinone Nutrition 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000004760 aramid Substances 0.000 description 3
- 229920003235 aromatic polyamide Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- 239000006254 rheological additive Substances 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- -1 triallyl isocyanuric acid Ester Chemical class 0.000 description 1
- QVTVDJWJGGEOGX-UHFFFAOYSA-N urea;cyanide Chemical compound N#[C-].NC(N)=O QVTVDJWJGGEOGX-UHFFFAOYSA-N 0.000 description 1
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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses a kind of layer-twisted optical fiber ribbon cable, including optical fiber portion and the first metallic strength member, the optical fiber portion is five, and described five optical fiber portions are evenly distributed in insulating layer, and portion in a insulating layer is arranged in first metallic strength member；Water blocking layer is set outside the insulating layer, inner sheath is set outside the water blocking layer, enhancement layer is set outside the inner sheath, oversheath is set outside the enhancement layer；The optical fiber portion includes holding part and fibre ribbon, the fibre ribbon periphery is coated with inner insulating layer, and the fibre ribbon is arranged in rectangular channel, and filled layer is arranged between the rectangular channel and fibre ribbon, shielded layer is set outside rectangular channel, strengthening core is set between rectangular channel and shielded layer.Tensile resistance of the present invention and block-water performance are good, and have good flame retardant effect, and transmission capacity is big, speed is fast and anti-interference is good, are suitble to set up the occasion of fairly large network.
Description
Technical field
The present invention relates to a kind of fiber optic cables, more particularly, to a kind of layer-twisted optical fiber ribbon cable.
Background technology
Optical-fibre communications obtains the advantages that with its information capacity, big, good confidentiality, lightweight are small, non-relay segment distance is long
Extensive use, throughout industries such as communication, traffic, industry, medical treatment, education, aerospace and computers, and to wider deeper
Level development.The application of optical fiber just brings deep effect and changes to the life of the mankind.Its intensity of existing fiber optic cable
It is all insufficient with tensile capacity, all there is the hidden danger to fracture in flexing process and cable both ends, had a single function, now
There are many inconvenience in signals transmission, and product usually requires be furnished with light and electric two kinds of cables simultaneously, but optical fiber is usually not
Bend-resistance can cause optical fiber to be lost.
The patent of invention that publication No. is CN105542366 discloses a kind of optical fiber ribbon resin, fibre ribbon and central tubular light
Fibre ribbons optical cable, by Loose tube, the protective layer being coated on outside Loose tube, the reinforcer outside protective layer, by protective layer and reinforcement
The restrictive coating that part envelopes has plurality of ribbons in Loose tube, has multifiber in every fibre ribbon and by multifiber
The optical fiber ribbon resin that integral coating is lived, the water preventing ability of the optical cable is preferable, but multifiber its stretch-proof after integral coating side by side
Performance is poor.
Publication No. is that the patent of invention of CN 104570252 discloses a kind of optical fibre band optical cable, and Loose tube includes fibre ribbon
Body and the Loose tube tube body for enveloping optical fiber ribbon body, optical fiber ribbon body is left by fibre ribbon laminated body and positioned at fibre ribbon laminated body,
The fibre ribbon of right both sides is constituted, and fibre ribbon laminated body is stacked on top of one another successively by plurality of ribbons and is formed.The optical cable is by fibre ribbon
The optical fiber ribbon body formed after stacking is constituted, and its bending and stretch-resistance are poor after plurality of ribbons stacking.
Optical cable in the long-term use, due to the erosion of moisture and moisture, can cause transmission performance to decline, influence it just
It is often used.In optical cable production, the material water-proof material of cable core mainly has two major classes：One kind is the factice for filling that blocks water, and another kind of is to block water
Band, water blocking yarn.It, can since optical cable water-blocking factice for filling can play preferable waterproof, moisture-proof, buffering and cementation in production
It is good by property, it is easy to maintain, therefore be used widely in optical cable production.Optical cable factice for filling is divided into fiber paste from utility function
With cable cream, optical cable factice for filling is to want one of material in optical cable production, it is filled in optical cable loose tube, cable core, cable core and sheath
Between, sealing, waterproof, damp proof insulation, stress buffer protection and other booster actions are played, optical fiber is protected not corroded by Environmental Water,
Prevent moisture from penetrating into optical cable.
It is very inflammable since principal component is oily matter in existing ointment, and fire spreading is exceedingly fast.Once optical cable occurs
Fire behavior can bring great threat to communications facility and personal safety as well as the property safety.Therefore, to ensure the low cigarette of requirement, halogen-free flameproof field
Communication equipment and network reliability service, it is necessary to conscientiously solve optical cable meet fire burning, drippage caused by fire hazard,
And optical cable easily discharges a large amount of black dense smokes and toxic gas in burning fire, and secondary environmental pollution and personnel is caused to flee from
The problems such as difficult.
Invention content
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of layer-twisted optical fiber ribbon cable, to
Improve the intensity, stretch-resistance and flame retardant property of entire optical fiber ribbon cable.
In order to achieve the above objectives, the present invention uses following technical scheme：
A kind of layer-twisted optical fiber ribbon cable, wherein including optical fiber portion and the first metallic strength member, the optical fiber portion is five,
Five optical fiber portions are evenly distributed in insulating layer, and portion in a insulating layer is arranged in first metallic strength member；It is described exhausted
Water blocking layer is set outside edge layer, inner sheath is set outside the water blocking layer, enhancement layer, the enhancement layer peripheral hardware are set outside the inner sheath
Set oversheath；The optical fiber portion includes holding part and fibre ribbon, and the holding part is diamond shape framework, and the diamond intracoelomic cavity is set
The second metallic strength member is set, PE bed courses are set outside second metallic strength member；The diamond shape framework includes first side, second
Side, third side and four side are respectively provided with rectangle on the first side, second side, third side and four side
Slot, the fibre ribbon are arranged in rectangular channel；It is respectively provided on the first side, second side, third side and four side
Opening, the opening are connected to rectangular channel；Filled layer is set between rectangular channel and fibre ribbon；Pine set is set outside the holding part
Pipe.
Preferably, it is respectively provided with fin on the first side, second side, third side and four side.
Preferably, lug boss is arranged in the external side of the diamond.
Preferably, gasket for packing is arranged in the diamond intracoelomic cavity.
Preferably, PE sheaths are set outside first metallic strength member.
Preferably, shielded layer is set outside the Loose tube.
Preferably, fire-retardant ointment is provided in the Loose tube, the fire-retardant ointment includes component mass parts：
78-85 parts of base oil,
9-12 parts of complex thickener,
0.8-1.5 parts of fire retardant,
0.5-0.8 parts of antioxidant；
The base oil is to add hydrogen paraffine base crude oil/hydrotreated naphthenic base oil miscella, mass ratio 2-2.5:3-4.2；
The complex thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, mass ratio 5-6:7-8；
The fire retardant is Triallyl isocyanurate and nanometer glass putty, mass ratio 90-100:0.15-0.2.
Preferably, the antioxidant is tert-butylhydroquinone.
The beneficial effects of the invention are as follows：
Ribbon fiber is arranged in the rectangular channel of holding part the present invention, forms a kind of novel ribbon fiber structure, adopts
With the structure, buckle resistance of the invention can be greatly improved with tensile resistance, and performance is stablized, and reliability is high.Holding part uses
Soft silica gel material is made, and the filled layer being made of polyacrylic resin material is arranged in the gap between rectangular channel and fibre ribbon, subtracts
Few gap between fibre ribbon and rectangular channel, while filled layer can also protect fibre ribbon, and fibre ribbon is avoided to be shaken in rectangular channel
Generate abrasion or damage.Holding part is diamond shape framework, and the rectangle of placement location fibre ribbon is all provided in every side of diamond shape framework
Slot increases the tensile resistance of optical fiber, and since holding part is diamond shape made of soft silica gel material, is stretched in optical fiber
Or when bending, the cavity in diamond body is extruded, and fibre ribbon deforms upon in rectangular channel, compared with the existing technology in list
Root fibre ribbon or plurality of ribbons integral coating, when optical fiber is stretched or bends, very due to the gap in fibre ribbon clad
Small, drawing force or folding force act directly on fibre ribbon, and structure stretch-resistance using the present invention and buckle resistance can be more preferable.
Curved fins are respectively provided on every side of holding part of the present invention, fin one end is arranged on side, and the other end is outstanding
Sky, hanging part are arranged from opening in rectangular channel in the top of opening, fibre ribbon and filled layer, and fin is being wrapped for Loose tube
Opening is sealed when covering holding part, filled layer and fibre ribbon is avoided to enter Loose tube from opening；And fin uses curved fins,
The material of fin is silica gel material, and silica gel material is softer, when Loose tube coats holding part, is arranged in curved fins and side
Lug boss avoids and generates offset between holding part and Loose tube, improves stability.
The present invention is respectively provided with strengthening core in holding part and insulating layer, increases the intensity and stretch-resistance of entire optical fiber
Energy；There are physical isolation and protection between every fibre ribbon and each optical fiber portion, avoids mutually going here and there around enhancing between fibre ribbon
The stability of signal transmission through fiber.The present invention is set using multilayer proofing structure, and enhancement layer uses aramid yarn, improves optical cable
Overall performance extends the service life of optical cable.Transmission capacity of the present invention is big, loss is small, the strong, long lifespan of electromagnetism interference etc.
Advantage can be widely used for the occasion of the special optical cables such as communication, fire-fighting, hospital, institute, enterprise.
The fire-retardant ointment of the present invention is according to the fire-retardant principle of heat cross-linking, using Triallyl isocyanurate as heat cross-linking
Agent belongs to macromolecule reaction type fire retardant, and after ointment temperature increases, thermal cross-linking agent crosslinks, and hinders inflammable low molecule
Substance release, it is fire-retardant efficient in time；For nanometer glass putty as crosslinking catalyst, nm-class catalyst can be dispersed in lotion
In, compatibility is good, and ointment basic property will not be caused to decline；Thickener selects complex thickener for polyacrylamide/fatty alcohol
Polyoxyethylene ether, thickening of the complex thickener as oiliness object, rheology modifier, substantially can with all active matter compatibilities and
Efficiency does not change, and with the increase and decrease of the additive amount in oily matter, the consistency of product has great plasticity, after thickening
Product there is extremely strong stability, not will produce lamination below 100° centigrade, not will produce under room temperature and return dilute phenomenon；
Base oil selection plus hydrogen paraffine base crude oil/hydrotreated naphthenic base oil miscella, saturated hydrocarbon content is high, and thermo oxidative stability is excellent, volatilization
Spend low, viscosity temperature characteristic is good, good with cable material compatibility.
The fire-retardant ointment of the present invention influences smaller, the fire-retardant ointment physical basis manufactured after use to the physical property of material
Performance will not be deteriorated, and partial properties, which are also obtained, to be significantly improved；The fire-retardant ointment compatibility is good, and each ingredient is evenly dispersed；It incite somebody to action this
It is toasted for 24 hours at 80 DEG C of fire-retardant ointment, completely not drip；Processing technology is feasible, can be used using traditional technique.
The fire-retardant ointment of the present invention has significant flame retardant effect, LOI to reach 50% or more, and the test result of flame retardant property is general
All over be higher than reference standard, it is nonflammable；Release amount of smoke is few, and smoke density is very low, and smog toxicity is small；Ointment is entirely free of halogen
Plain ingredient, high temperature not drip are applicable to indoor or densely populated place, good environmental protection.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 3 is the structural schematic diagram in optical fiber portion of the present invention.
In figure：1- optical fiber portion, 2- metallic strength members, 3-PE sheaths, 4- insulating layers, 5- water blocking layers, 6- inner sheaths, 7- reinforce
Layer, 8- oversheaths, 9- gasket for packings, 101- holding parts, 102- rectangular channels, 103- fibre ribbons, 104- metallic strength members, 105-PE pads
Layer, 106- gasket for packings, 107- lug bosses, 108- fins, 109- Loose tubes, 110- shielded layers.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in Figure 1, the present invention provides a kind of layer-twisted optical fiber ribbon cable, including optical fiber portion 1 and metallic strength member 2, optical fiber
Portion 1 is five, and five optical fiber portions 1 are evenly distributed in insulating layer 4.The setting of metallic strength member 2 is in 4 middle part of insulating layer, insulating layer 4
Inner sheath 6 is arranged outside water blocking layer 5 for outer setting water blocking layer 5, and enhancement layer 7 is arranged outside inner sheath 6, oversheath 8 is arranged outside enhancement layer 7,
Enhancement layer 7 uses aramid yarn.
As shown in figure 3, optical fiber portion 1 includes holding part 101 and fibre ribbon 103, holding part 101 is diamond shape framework, diamond
Metallic strength member 104 and gasket for packing 106 is arranged in intracoelomic cavity, and PE bed courses 105 are arranged outside metallic strength member 104.Diamond shape framework includes
First side, second side, third side and four side, on first side, second side, third side and four side
Rectangular channel 102 is set, and fibre ribbon 103 is arranged in rectangular channel 102, first side, second side, third side and four side
On be respectively provided with opening, opening is connected to rectangular channel 102, and filled layer, fibre ribbon 103 are arranged between rectangular channel 102 and fibre ribbon 103
And filled layer is arranged through opening in rectangular channel 102.104 outer cladding PE bed courses 105 of metallic strength member, avoid metallic strength member
104 are in direct contact with holding part 101, wear holding part 101.The fire-retardant ointment of filling in holding part 101.
The holding part 101 of the present invention is made of soft silica gel material, the gap between rectangular channel 102 and fibre ribbon 103
The filled layer being made of polyacrylic resin material is set, reduces the gap between fibre ribbon and rectangular channel, while filled layer also may be used
Fibre ribbon bending is protected, fibre ribbon is avoided to shake generation abrasion or damage in rectangular channel.Holding part 101 is soft silica gel material system
At diamond shape, when optical fiber is stretched or bends, the cavity in diamond body is extruded, and fibre ribbon 103 is in rectangular channel 102
It inside deforms upon, diamond shape is parallelogram, and design feature can both horizontally and vertically deform upon, and fibre ribbon is curved
It is hardly damaged when folding, stretch-resistance and buckle resistance can be strong.
It is respectively provided with fin on the first side of 101 diamond of holding part, second side, third side and four side
108, fin 108 is curved fins, and 108 one end of fin is arranged on side, and the other end is hanging, and hanging part is in the upper of opening
Side, opening is for installation fibre ribbon when processing and filled layer, and when coating holding part 101, fin 108 is pressed on Loose tube 109
Opening is sealed, filled layer and fibre ribbon is avoided to enter inner sheath from opening by opening.
Lug boss 107 is arranged in the external side of diamond in the present invention.The material of fin 108 be silica gel material, silica gel material compared with
Soft, when Loose tube 109 coats holding part 101, the lug boss 107 being arranged in curved fins and side avoids holding part 101
Offset is generated between Loose tube 109, improves stability；To avoid interfering with each other between each optical fiber portion, in Loose tube 109
Outer setting shielded layer 110.
The present invention uses multilayer proofing structure, enhancement layer that aramid yarn, water blocking layer is used to maintain good waterproof effect, carry
The high overall performance of optical fiber, extends the service life of optical fiber.
Embodiment 2：
As shown in Fig. 2, the present embodiment difference from example 1 is that：Gasket for packing is set between each optical fiber portion 1
9, the gap in each optical fiber portion 1 is reduced, gasket for packing 9 also functions to the effect of protection simultaneously.It can also be set between each optical fiber portion 1
Steel wire strengthening core is set, to improve the structural strength of entire optical cable.
Embodiment 3
A kind of fire-retardant ointment, including component mass parts：78 parts of base oil, 9 parts of complex thickener, 0.8 part of fire retardant, antioxygen
0.5 part of agent.
The base oil is to add hydrogen paraffine base crude oil/hydrotreated naphthenic base oil miscella, mass ratio 2:3；The composite thickening
Agent is polyacrylamide/fatty alcohol polyoxyethylene ether, mass ratio 5:7；The fire retardant be Triallyl isocyanurate and
Nanometer glass putty, mass ratio 90:0.15, wherein Triallyl isocyanurate is thermal cross-linking agent, and nanometer glass putty is catalyst；It is anti-
Oxidant is tert-butylhydroquinone.
1 fire-retardant ointment flame retardant property table of embodiment：
Embodiment 4
A kind of fire-retardant ointment, including component mass parts：80 parts of base oil, 10 parts of complex thickener, 1.1 parts of fire retardant resist
0.6 part of oxidant.
The base oil is to add hydrogen paraffine base crude oil/hydrotreated naphthenic base oil miscella, mass ratio 2.1:3.4；It is described compound
Thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, mass ratio 5.4:7.3；The fire retardant is triallyl isocyanide
Urea acid esters and nanometer glass putty, mass ratio 93:0.17, wherein Triallyl isocyanurate is thermal cross-linking agent, and nanometer glass putty is
Catalyst；Antioxidant is tert-butylhydroquinone.
5 fire-retardant ointment flame retardant property table of embodiment：
Embodiment 6
A kind of fire-retardant ointment, including component mass parts：82 parts of base oil, 11 parts of complex thickener, 1.3 parts of fire retardant resist
0.7 part of oxidant.
The base oil is to add hydrogen paraffine base crude oil/hydrotreated naphthenic base oil miscella, mass ratio 2.3:3-3.8；It is described multiple
Conjunction thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, mass ratio 5.7:7.7；The fire retardant is that triallyl is different
Cyanurate and nanometer glass putty, mass ratio 97:0.19, wherein Triallyl isocyanurate is thermal cross-linking agent, nanometer glass putty
For catalyst；Antioxidant is tert-butylhydroquinone.
3 fire-retardant ointment flame retardant property table of embodiment：
Embodiment 7
A kind of fire-retardant ointment, including component mass parts：85 parts of base oil, 12 parts of complex thickener, 1.5 parts of fire retardant resist
0.8 part of oxidant.
The base oil is to add hydrogen paraffine base crude oil/hydrotreated naphthenic base oil miscella, mass ratio 2.5:4.2；It is described compound
Thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, mass ratio 6:8；The fire retardant is triallyl isocyanuric acid
Ester and nanometer glass putty, mass ratio 100:0.2, wherein Triallyl isocyanurate is thermal cross-linking agent, and nanometer glass putty is catalysis
Agent；Antioxidant is tert-butylhydroquinone.
8 fire-retardant ointment flame retardant property table of embodiment：
Integrated embodiment test result, fire-retardant ointment of the invention have significant flame retardant effect, LOI to reach 50% or more,
The test result of flame retardant property is generally higher than reference standard；Release amount of smoke is few, and smoke density is very low, and smog toxicity is small, complete
It is halogen-free ingredient entirely.
Each fire-retardant ointment key property table of embodiment：
The fire-retardant ointment of the present invention is smaller on the influence of the physical property of material, and partial properties, which are also obtained, to be significantly improved；It will
It is toasted for 24 hours at this fire-retardant 80 DEG C of ointment, completely not drip.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical scheme of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of layer-twisted optical fiber ribbon cable, it is characterised in that：Including optical fiber portion and the first metallic strength member, the optical fiber portion is five
A, five optical fiber portions are evenly distributed in insulating layer, and portion in a insulating layer is arranged in first metallic strength member；It is described
Water blocking layer is set outside insulating layer, inner sheath is set outside the water blocking layer, enhancement layer is set outside the inner sheath, outside the enhancement layer
Oversheath is set；The optical fiber portion includes holding part and fibre ribbon, and the holding part is diamond shape framework, the diamond intracoelomic cavity
Second metallic strength member is set, PE bed courses are set outside second metallic strength member；The diamond shape framework includes first side,
Dual side-edge, third side and four side are respectively provided with square on the first side, second side, third side and four side
Shape slot, the fibre ribbon are arranged in rectangular channel；It is all provided on the first side, second side, third side and four side
Opening is set, the opening is connected to rectangular channel；Filled layer is set between rectangular channel and fibre ribbon；Pine set is set outside the holding part
Pipe.
2. a kind of layer-twisted optical fiber ribbon cable according to claim 1, it is characterised in that：The first side, second side,
It is respectively provided with fin on third side and four side.
3. a kind of layer-twisted optical fiber ribbon cable according to claim 1, it is characterised in that：The external side setting of diamond is convex
The portion of rising.
4. a kind of layer-twisted optical fiber ribbon cable according to claim 1, it is characterised in that：The diamond intracoelomic cavity setting is filled out
Fill rope.
5. a kind of layer-twisted optical fiber ribbon cable according to claim 1, it is characterised in that：The first metallic strength member peripheral hardware
Set PE sheaths.
6. a kind of layer-twisted optical fiber ribbon cable according to claim 1, it is characterised in that：Shielding is set outside the Loose tube
Layer.
7. a kind of layer-twisted optical fiber ribbon cable according to claim 1, it is characterised in that：Between the Loose tube and holding part
It is provided with fire-retardant ointment, the fire-retardant ointment includes component mass parts：
78-85 parts of base oil,
9-12 parts of complex thickener,
0.8-1.5 parts of fire retardant,
0.5-0.8 parts of antioxidant；
The base oil is to add hydrogen paraffine base crude oil/hydrotreated naphthenic base oil miscella, mass ratio 2-2.5:3-4.2；
The complex thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, mass ratio 5-6:7-8；
The fire retardant is Triallyl isocyanurate and nanometer glass putty, mass ratio 90-100:0.15-0.2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415528.3A CN108387987B (en) | 2018-05-03 | 2018-05-03 | Layer stranded type ribbon optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415528.3A CN108387987B (en) | 2018-05-03 | 2018-05-03 | Layer stranded type ribbon optical cable |
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| CN108387987A true CN108387987A (en) | 2018-08-10 |
| CN108387987B CN108387987B (en) | 2024-05-03 |
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| CN201810415528.3A Active CN108387987B (en) | 2018-05-03 | 2018-05-03 | Layer stranded type ribbon optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022027885A1 (en) * | 2020-08-07 | 2022-02-10 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical fiber cable having special-shaped structure |
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|---|---|---|---|---|
| JP2008076897A (en) * | 2006-09-22 | 2008-04-03 | Fujikura Ltd | Optical fiber cable |
| CN103744151A (en) * | 2014-01-02 | 2014-04-23 | 常熟市谷雷特机械产品设计有限公司 | Optical unit and optical cable using the same |
| CN106324779A (en) * | 2016-11-03 | 2017-01-11 | 北京亨通斯博通讯科技有限公司 | Special optical fiber ribbon cable for communication |
| CN206696503U (en) * | 2017-05-19 | 2017-12-01 | 陕西理工大学 | A kind of ribbon cables |
| CN208026931U (en) * | 2018-05-03 | 2018-10-30 | 陕西理工大学 | A kind of layer-twisted optical fiber ribbon cable |
-
2018
- 2018-05-03 CN CN201810415528.3A patent/CN108387987B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008076897A (en) * | 2006-09-22 | 2008-04-03 | Fujikura Ltd | Optical fiber cable |
| CN103744151A (en) * | 2014-01-02 | 2014-04-23 | 常熟市谷雷特机械产品设计有限公司 | Optical unit and optical cable using the same |
| CN106324779A (en) * | 2016-11-03 | 2017-01-11 | 北京亨通斯博通讯科技有限公司 | Special optical fiber ribbon cable for communication |
| CN206696503U (en) * | 2017-05-19 | 2017-12-01 | 陕西理工大学 | A kind of ribbon cables |
| CN208026931U (en) * | 2018-05-03 | 2018-10-30 | 陕西理工大学 | A kind of layer-twisted optical fiber ribbon cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022027885A1 (en) * | 2020-08-07 | 2022-02-10 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical fiber cable having special-shaped structure |
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| CN108387987B (en) | 2024-05-03 |
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