CN106842463A - Filling type optical cable - Google Patents
Filling type optical cable Download PDFInfo
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- CN106842463A CN106842463A CN201710238416.0A CN201710238416A CN106842463A CN 106842463 A CN106842463 A CN 106842463A CN 201710238416 A CN201710238416 A CN 201710238416A CN 106842463 A CN106842463 A CN 106842463A
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- Prior art keywords
- filling type
- optical cable
- type optical
- optical fiber
- cable
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- 230000003287 optical effect Effects 0.000 title claims abstract description 66
- 239000013307 optical fiber Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 41
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 24
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- -1 Polybutylene terephthalate Polymers 0.000 claims description 28
- 239000004743 Polypropylene Substances 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000011152 fibreglass Substances 0.000 claims description 11
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- CQOZJDNCADWEKH-UHFFFAOYSA-N 2-[3,3-bis(2-hydroxyphenyl)propyl]phenol Chemical compound OC1=CC=CC=C1CCC(C=1C(=CC=CC=1)O)C1=CC=CC=C1O CQOZJDNCADWEKH-UHFFFAOYSA-N 0.000 claims description 3
- VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 claims description 3
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 2
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 8
- 230000006641 stabilisation Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000002674 ointment Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000006071 cream Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920001038 ethylene copolymer Polymers 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 125000000687 hydroquinonyl group Chemical class C1(O)=C(C=C(O)C=C1)* 0.000 description 2
- 239000013308 plastic optical fiber Substances 0.000 description 2
- ACOGMWBDRJJKNB-UHFFFAOYSA-N acetic acid;ethene Chemical group C=C.CC(O)=O ACOGMWBDRJJKNB-UHFFFAOYSA-N 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 239000002699 waste material Substances 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
- G02B6/4429—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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- 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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4483—Injection or filling devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention relates to a kind of filling type optical cable; including cable core and the external protection for being coated on cable core periphery; cable core includes reinforcing element; it is arranged on one or more optical fiber bundle tubes of reinforcing element periphery; and the inner protective layer formed by the removing reinforcing element and the ethylene-vinyl acetate copolymer material of the remaining space of one or more optical fiber bundle tubes that are filled in external protection, at least one optical fiber is provided with inside one or more optical fiber bundle tubes.Filling type optical cable of the present invention, Stability Analysis of Structures and with good bending and lateral pressure resistant performance.
Description
Technical field
The present invention relates to optical-fibre communications optical cable technology field, more particularly to a kind of filling type optical cable.
Background technology
Recently as continuing to develop for China's fiber optic network communication, the demand of optical fiber cable is increasing, to optical cable
Technical requirements also more and more higher.Ordinary optical cable is related to the aspects such as the construction and maintenance of optical cable and generally takes in the process of running
Substantial amounts of time and efforts, existing optical cable mainly divides filled type optical cable, Full-dry optical cable and half dry type optical cable, wherein filled type
Optical cable and half dry type optical cable are all filled using ointment, construction continue and follow-up maintenance in terms of more waste time and energy, and ointment
Many inconvenience are brought in terms of construction maintenance, is not easily cleaned, easily pollute environment.Dry type cable is added in cable core structure
The element such as gasket for packing and bundle yarn, makes cable core structure stabilization.Material requirements of this structure to pricking yarn is high, and unfavorable material is easy
Causing the transmission performance of optical fiber reduces, in some instances it may even be possible to cause communication disruption.
Also portion of techniques attempts to be improved cable configuration and material, but it is stability in optical cable, optical property, curved
The aspects such as Qu Nengli are always not fully up to expectations.Therefore, a kind of brand-new cable material that can solve the problem that above problem is expected in market.
The content of the invention
Present invention seek to address that above mentioned problem, the present invention provides a kind of brand-new filling type optical cable, not only with stabilization jail
Solid cable core structure and environment will not be polluted, while easy construction.The purpose of the present invention is by following technical side
What case was realized.
A kind of filling type optical cable, including cable core and the external protection for being coated on cable core periphery, cable core include reinforcing element, if
One or more optical fiber bundle tubes and inner protective layer in reinforcing element periphery are put, inner protective layer is by ethene-vinyl acetate copolymerization
The remaining space that thing material is filled in removing reinforcing element and one or more optical fiber bundle tubes in external protection is formed, one or many
At least one optical fiber is provided with inside root optical fiber bundle tubes.
It is preferred that, polymerized ethylene content is 80-82wt% in ethylene-vinyl acetate copolymer material, and VAM contains
It is 17.2-20wt% to measure, antioxidant 0-0.8wt%.It is further preferred that the content of antioxidant is 0.1-0.15wt%.Most preferably, institute
It is one or more in phenolic antioxidant, including hydroquinones, thiobisphenol and triphenol to state antioxidant.
It is preferred that, the fusing point of ethylene-vinyl acetate copolymer material is 75~85 DEG C, and melt flow rate (MFR) is 2.3-3.3g/
10min。
It is preferred that, optical fiber bundle tubes are many, and multifiber beam tube is around the stranded setting of reinforcing element, the strand of multifiber beam tube
Conjunction pitch is 60-70mm.
It is preferred that, optical fiber bundle tubes are one, are set along the length direction of filling type optical cable.
It is preferred that, external protection includes water blocking layer and is coated on the oversheath of water blocking layer periphery, and oversheath is poly- selected from high density
One kind of ethene sheath, medium density polyethylene sheath, linear low density polyethylene (LLDPE) sheath and low smoke and zero halogen material guards；Strengthen unit
Part is selected from the one kind in steel wire, steel strand wires, fiberglass, and one or more optical fiber bundle tubes is polybutylene terephthalate (PBT) beam tube
Or modified polypropylene plastic beam tube.
It is preferred that, external protection also includes armor, and armor cladding is arranged between water blocking layer and oversheath.
It is preferred that, the number of optical fiber bundle tubes is 1~12.
Filling type optical cable of the invention has the advantages that：
1. the use of ointment is eliminated, is easy to construct and is safeguarded, reduced due to the environmental pollution that ointment causes.
2. Stability Analysis of Structures, construction safety, due to not containing bundle yarn material, can avoid being made because yarn-binding tension is unstable
Into cable core situation about being stabbed.
3. production efficiency is higher, compared to existing technologies, can greatly reduce due to change gasket for packing and prick yarn when
Between.
4. cable core structure of the invention is stable and with good bending and lateral pressure resistant performance.
5. optical cable core of the invention, can form full filling between all of space of cable core, and packing material can
Closely cladding is formed between water-blocking element and optical fiber bundle tubes, so as to ensure the longitudinal water-blocking effect in optical cable core.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows the sectional view of the filling type optical cable according to embodiment of the present invention.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these implementation methods are able to be best understood from the disclosure, and can be by this public affairs
The scope opened it is complete convey to those skilled in the art.
According to the embodiment of the present invention, there is provided the filling type optical cable of following embodiment form.
Embodiment one
As shown in figure 1, filling type optical cable 1 includes cable core and is coated on the water blocking layer 3 and low smoke and zero halogen of cable core periphery successively
Material oversheath 4.Cable core is included as the steel wire and a modified polypropylene plastic light for being arranged on steel wire periphery of reinforcing element 1
The ethene of fine beam tube 2 and the remaining space for removing steel wire and modified polypropylene plastic beam tube by being filled in inside water blocking layer 3-
The inner protective layer 5 that acetate ethylene copolymer material X1 materials are formed, between ethylene-vinyl acetate copolymer material X1 and steel wire,
Additional seal is not set between ethylene-vinyl acetate copolymer material X1 and modified polypropylene plastic beam tube.Modified polypropylene plastic light
Optical fiber is provided with fine beam tube, modified polypropylene plastic optical fiber bundle tubes inner fiber periphery is coated with fine cream, modified polypropylene plastic light
Fine beam tube is set along the length direction of optical cable.
Ethylene-vinyl acetate copolymer material X1 includes：The polyethylene of 80wt% and the VAM of 20wt%.Should
The fusing point of ethylene-vinyl acetate copolymer material X1 is 80 DEG C, and melt flow rate (MFR) is 2.3g/10min.
Following detection experiment is carried out to filling type optical cable 1 according to the requirement of YD/T 901-2009 standards, result of the test is as follows：
Lateral pressure resistant ability is detected：Experimental technique according to standard requirement is tested, the lateral pressure resistant ability of filling type optical cable 1
It it is 1500 Ns, more than 1000 Ns of standard requirement, and optical fiber is without obvious additional attenuation.
Shock resistance is detected：Required according to standard, impact load standard requirement 450g, 1 meter of weight height impacts 5 times,
When carrying out actual tests to filling type optical cable 1, keep load request constant, 1.2 meters of weight height impacts 10 times, and optical fiber is without bright
Aobvious remnants additional attenuations, cable jacket is flawless without ftractureing.
High temperature performance is tested：When the degree of high temperature+60 and low temperature -40 are spent, the optical fiber attenuation of filling type optical cable 1 is without substantially change
Change, meet test requirements document.
Conclusion：The structural behaviour stabilization of filling type optical cable 1, mechanical performance and environmental performance are good, fully meet YD/T
The standard requirement of 901-2009.
Embodiment two
Filling type optical cable 2 includes cable core and is coated on successively outside the water blocking layer of cable core periphery and linear low density polyethylene (LLDPE) to protect
Set.Cable core includes the steel strand wires as reinforcing element and four polybutylene terephthalate (PBT)s around the stranded setting of steel strand wires
Optical fiber bundle tubes and the residue by being filled in water blocking layer inside removing steel strand wires and polybutylene terephthalate (PBT) optical fiber bundle tubes
The inner protective layer that the ethylene-vinyl acetate copolymer material X2 in space is formed, ethylene-vinyl acetate copolymer material X2 is twisted with steel
Additional seal is not set between line, between ethylene-vinyl acetate copolymer material X2 and benzene dicarboxylic acid butanediol ester optical fiber bundle tubes.Benzene
Optical fiber and fine cream are provided with dioctyl phthalate butanediol ester optical fiber bundle tubes as filling.Benzene dicarboxylic acid butanediol ester optical fiber bundle tubes it is stranded
Pitch is 60mm.
Ethylene-vinyl acetate copolymer material X2 includes：82wt% polyethylene, 17.2wt% VAMs and
The thiobisphenol of 0.8wt%.The fusing point of ethylene-vinyl acetate copolymer material X2 is 75 DEG C, and melt flow rate (MFR) is 3.3g/
10min。
Following detection experiment is carried out to filling type optical cable 2 according to the requirement of YD/T 901-2009 standards, result of the test is as follows：
Lateral pressure resistant ability is detected：Experimental technique according to standard requirement is tested, the lateral pressure resistant ability of filling type optical cable 2
It it is 1700 Ns, more than 1000 Ns of standard requirement, and optical fiber is without obvious additional attenuation.
Shock resistance is detected：Required according to standard, impact load standard requirement 450g, 1 meter of weight height impacts 5 times.
When carrying out actual tests to filling type optical cable 2, keep load request constant, 1.3 meters of weight height impacts 10 times, and optical fiber is without bright
Aobvious remnants additional attenuations, cable jacket is flawless without ftractureing.
High temperature performance is tested：When the degree of high temperature+60 and low temperature -40 are spent, the optical fiber attenuation of filling type optical cable 2 is without substantially change
Change, meet test requirements document.
Conclusion：The structural behaviour stabilization of filling type optical cable 2, mechanical performance and environmental performance are good, fully meet YD/T
The standard requirement of 901-2009.
Embodiment three
Filling type optical cable 3 includes cable core and is coated on water blocking layer, armor and the medium density polyethylene of cable core periphery successively
Oversheath.Cable core is included as the fiberglass and the six roots of sensation modified polypropylene plastic optical fiber for being arranged on fiberglass periphery of reinforcing element
Beam tube and the ethyl vinyl acetate by being filled in the remaining space of water blocking layer inside removing fiberglass and modified polypropylene plastic beam tube
The inner protective layer that ethylene copolymer materials X3 materials are formed, ethylene-vinyl acetate copolymer material X3 and fiberglass are poly- with modified
Additional seal is not set between Acrylic plastic beam tube.Optical fiber and fine cream are provided with modified polypropylene plastic beam tube as filling.It is modified poly-
The twisting pitch of Acrylic plastic beam tube is 70mm.
Ethylene-vinyl acetate copolymer material X3 includes：82wt% polyethylene, 17.9wt% VAMs and
The hydroquinones of 0.1wt%.The fusing point of ethylene-vinyl acetate copolymer material X3 is 85 DEG C, and melt flow rate (MFR) is 2.7g/
10min。
Following detection experiment is carried out to filling type optical cable 3 according to the requirement of YD/T 901-2009 standards, result of the test is as follows：
Lateral pressure resistant ability is detected：Experimental technique according to standard requirement is tested, the lateral pressure resistant ability of filling type optical cable 3
It it is 1800 Ns, more than 1000 Ns of standard requirement, and optical fiber is without obvious additional attenuation.
Shock resistance is detected：Required according to standard, impact load standard requirement 450g, 1 meter of weight height impacts 5 times.
When carrying out actual tests to filling type optical cable 3, keep load request constant, 1.5 meters of weight height impacts 10 times, and optical fiber is without bright
Aobvious remnants additional attenuations, cable jacket is flawless without ftractureing.
High temperature performance is tested：When the degree of high temperature+60 and low temperature -40 are spent, the optical fiber attenuation of filling type optical cable 3 is without substantially change
Change, meet test requirements document.
Conclusion：The structural behaviour stabilization of filling type optical cable 3, mechanical performance and environmental performance are good, fully meet YD/T
The standard requirement of 901-2009.
Example IV
Filling type optical cable 4 includes cable core and is coated on water blocking layer, armor and the high density polyethylene (HDPE) of cable core periphery successively
Oversheath.Cable core is included as the fiberglass and 12 modified polypropylene plastic light for being arranged on fiberglass periphery of reinforcing element
Fine beam tube and the ethene-vinegar by being filled in the remaining space of water blocking layer inside removing fiberglass and modified polypropylene plastic beam tube
The inner protective layer that sour ethylene copolymer materials X4 materials are formed, ethylene-vinyl acetate copolymer material X4 and fiberglass and modified
Additional seal is not set between polypropylene plastics beam tube.Optical fiber and fine cream are provided with modified polypropylene plastic beam tube as filling.12
Root modified polypropylene plastic beam tube is set along the length direction of optical cable, and 12 modified polypropylene plastic beam tubes are equally spacedly
The periphery of fiberglass is distributed in, and surrounds toroidal.
Ethylene-vinyl acetate copolymer material X4 includes：82wt% polyethylene, 17.85wt% VAMs,
The triphenol of 0.15wt%.The fusing point of ethylene-vinyl acetate copolymer material X4 is 81 DEG C, and melt flow rate (MFR) is 3.0g/
10min。
Following detection experiment is carried out to filling type optical cable 4 according to the requirement of YD/T 901-2009 standards, result of the test is as follows：
Lateral pressure resistant ability is detected：Experimental technique according to standard requirement is tested, the lateral pressure resistant ability of filling type optical cable 4
It it is 2000 Ns, more than 1000 Ns of standard requirement, and optical fiber is without obvious additional attenuation.
Shock resistance is detected：Required according to standard, impact load standard requirement 450g, 1 meter of weight height impacts 5 times.
When carrying out actual tests to filling type optical cable 4, keep load request constant, 2 meters of weight height impacts 10 times, and optical fiber is without obvious
Remaining additional attenuation, cable jacket is flawless without ftractureing.
High temperature performance is tested：When the degree of high temperature+60 and low temperature -40 are spent, the optical fiber attenuation of filling type optical cable 4 is without substantially change
Change, meet test requirements document.
Conclusion：The structural behaviour stabilization of filling type optical cable 4, mechanical performance and environmental performance are good, fully meet YD/T
The standard requirement of 901-2009.
In sum, filling type optical cable of the invention in external protection by injecting ethylene-vinyl acetate copolymer material
Material replaces gasket for packing and pricks yarn or ointment, the structure of optical cable is more stablized, and improve the environmental-protecting performance of optical cable itself.Due to
The physical property of ethylene-vinyl acetate copolymer material, enhances shock resistance and the lateral pressure resistant performance of optical cable, wherein anti-side pressure energy
Power is up to 2000N.Further, since will not be produced between ethylene-vinyl acetate copolymer material and optical fiber bundle tubes and reinforcing element
Infiltration, therefore be not required to especially set sealer sealing.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (10)
1. a kind of filling type optical cable, including cable core and the external protection for being coated on cable core periphery, it is characterised in that cable core includes adding
Strong element (1), is arranged on one or more optical fiber bundle tubes (2) and inner protective layer (5) of the reinforcing element (1) periphery, institute
State inner protective layer (5) by ethylene-vinyl acetate copolymer material be filled in external protection remove reinforcing element (1) and one or
The remaining space of multifiber beam tube (2) is formed, and at least one optical fiber is provided with inside described one or more optical fiber bundle tubes (2).
2. filling type optical cable as claimed in claim 1, it is characterised in that
Polymerized ethylene content is 80-82wt% in ethylene-vinyl acetate copolymer material, and the content of VAM is 17.2-
20wt%, antioxidant 0-0.8wt%.
3. filling type optical cable as claimed in claim 2, it is characterised in that
The content of antioxidant is 0.1-0.15wt%.
4. such as the filling type optical cable of Claims 2 or 3, it is characterised in that the antioxidant is selected from by hydroquinones, thiobisphenol
The group constituted with triphenol.
5. filling type optical cable as claimed in claim 1, it is characterised in that
The fusing point of ethylene-vinyl acetate copolymer material is 75~85 DEG C, and melt flow rate (MFR) is 2.3-3.3g/10min.
6. filling type optical cable as claimed in claim 1, it is characterised in that
The optical fiber bundle tubes (2) are many, and the multifiber beam tube (2) is around reinforcing element (1) stranded setting, described many
The twisting pitch of optical fiber bundle tubes (2) is 60-70mm.
7. filling type optical cable as claimed in claim 1, it is characterised in that
The optical fiber bundle tubes (2) are one, are set along the length direction of the filling type optical cable.
8. filling type optical cable as claimed in claim 1, it is characterised in that
The external protection includes water blocking layer (3) and is coated on the oversheath (4) of the water blocking layer (3) periphery, the oversheath
(4) protected selected from high density polyethylene (HDPE) sheath, medium density polyethylene sheath, linear low density polyethylene (LLDPE) sheath and low smoke and zero halogen material
One kind of set；
The reinforcing element (1) is selected from the one kind in steel wire, steel strand wires, fiberglass, described one or more optical fiber bundle tubes (2)
Polybutylene terephthalate (PBT) beam tube or modified polypropylene plastic beam tube.
9. filling type optical cable as claimed in claim 7, it is characterised in that
External protection also includes armor, and armor cladding is arranged between water blocking layer (3) and oversheath (4).
10. filling type optical cable as claimed in claim 1, it is characterised in that
The number of the optical fiber bundle tubes (2) is 1~12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238416.0A CN106842463A (en) | 2017-04-13 | 2017-04-13 | Filling type optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238416.0A CN106842463A (en) | 2017-04-13 | 2017-04-13 | Filling type optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106842463A true CN106842463A (en) | 2017-06-13 |
Family
ID=59147630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710238416.0A Pending CN106842463A (en) | 2017-04-13 | 2017-04-13 | Filling type optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106842463A (en) |
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| CN103709494A (en) * | 2013-12-26 | 2014-04-09 | 上海至正道化高分子材料有限公司 | Low-smoke halogen-free flame-retardant tight buffer material for optical fiber and preparation method thereof |
| CN104749730A (en) * | 2015-04-23 | 2015-07-01 | 吴俊� | Method for manufacturing layer-stranded optical cable |
| CN206906643U (en) * | 2017-04-13 | 2018-01-19 | 通鼎互联信息股份有限公司 | Filling type optical cable |
-
2017
- 2017-04-13 CN CN201710238416.0A patent/CN106842463A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104671A (en) * | 1983-11-16 | 1986-12-17 | 标准电话电报公共有限公司 | Oil-resistant and flame-retardant compositions |
| CN101702049A (en) * | 2009-11-30 | 2010-05-05 | 苏州亨利通信材料有限公司 | Scratch-resistant environment-friendly low-smoke halogen-free flame-retardant sheath material for special optical cable |
| CN103163613A (en) * | 2013-04-18 | 2013-06-19 | 江苏长飞中利光纤光缆有限公司 | Optical cable for remote radio head and manufacturing method of optical cable |
| CN103709494A (en) * | 2013-12-26 | 2014-04-09 | 上海至正道化高分子材料有限公司 | Low-smoke halogen-free flame-retardant tight buffer material for optical fiber and preparation method thereof |
| CN104749730A (en) * | 2015-04-23 | 2015-07-01 | 吴俊� | Method for manufacturing layer-stranded optical cable |
| CN206906643U (en) * | 2017-04-13 | 2018-01-19 | 通鼎互联信息股份有限公司 | Filling type optical cable |
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Application publication date: 20170613 |