CN204154931U - Water resisting optical fiber - Google Patents
Water resisting optical fiber Download PDFInfo
- Publication number
- CN204154931U CN204154931U CN201420572746.5U CN201420572746U CN204154931U CN 204154931 U CN204154931 U CN 204154931U CN 201420572746 U CN201420572746 U CN 201420572746U CN 204154931 U CN204154931 U CN 204154931U
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- Prior art keywords
- optical fiber
- outside
- water
- blocking layer
- coat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 239000013307 optical fiber Substances 0.000 title claims abstract description 112
- 230000000903 blocking effect Effects 0.000 claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical group ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 3
- 238000004040 coloring Methods 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 15
- 230000002787 reinforcement Effects 0.000 description 13
- 239000002674 ointment Substances 0.000 description 9
- 238000012856 packing Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 239000006071 cream Substances 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 241001463139 Vitta Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The utility model belongs to technical field of cables, especially relates to water resisting optical fiber, it comprise be positioned at central authorities fibre core, be positioned at covering outside fibre core, be positioned at the coat outside covering; It is characterized in that having outside coat having outside the first water blocking layer, the first water blocking layer to have outside the second water blocking layer, the second water blocking layer outside moisture barrier, moisture barrier and there is outer coat, outside outer coat, there is dyed layer; The invention also discloses the optical cable using this optical fiber.The utility model has following main beneficial effect: water resisting optical fiber block-water effect is good, tension stress is large; Use the optical cable of this water resisting optical fiber produce more convenient, cost is lower, more favor by the producer, proofer and user.
Description
Technical field
The utility model belongs to technical field of cables, especially relates to water resisting optical fiber.
Background technology
Optical fiber is as the main carriers of communication, and use amount increases day by day; Current optical fiber is mainly used in field of signal transmissions, as mobile phone signal, TV signal, control signal, prison Kong signal etc., optical fiber conventional is at present silica-based optical fiber, optical fiber mainly lose part be fibre core, core diameter is usually at about 9 μm, and what the core diameter of multimode optical fiber was conventional is 50 μm and 62.5 μm; Also there is covering outward at fibre core, outside covering, there is coat.Because the core diameter of optical fiber is relatively thin, and contain a large amount of hydrogen ions and hydroxide ion in air or in water, easy and silica bound, causes the fracture of fibre core or perhaps the fracture of optical fiber, affects the transmission of light signal.For this reason, carried out constantly research and protection around protection optical fiber in optical cable industry, as contacted with ointment by optical fiber, having made optical fiber be immersed in ointment, itself and moisture being isolated, so just achieves protection.But, this mode, need a large amount of ointment on the one hand, the use of ointment causes the significant wastage of the pollution of environment, resource, causes cost and remains high; More very, usually can optical fiber be inserted in Loose tube, in Loose tube, fill fine cream, then also fill greasy for preventing water by around the Loose tube of outside, isolate moisture further.Cause the increasing of cost, and ointment environment is unfriendly, more difficult removal during use, therefore, all brings great inconvenience to production manufacturer and user.
Utility model content
In order to solve the problem, the purpose of this utility model discloses a kind of water resisting optical fiber, and further, the utility model uses the optical cable of this optical fiber by disclosing, they realize by the following technical solutions.
Water resisting optical fiber, it comprise be positioned at central authorities fibre core, be positioned at covering outside fibre core, be positioned at the coat outside covering; It is characterized in that having outside coat having outside the first water blocking layer, the first water blocking layer to have outside the second water blocking layer, the second water blocking layer outside moisture barrier, moisture barrier and there is outer coat.
Water resisting optical fiber, it comprise be positioned at central authorities fibre core, be positioned at covering outside fibre core, be positioned at the coat outside covering; It is characterized in that having outside coat having outside the first water blocking layer, the first water blocking layer to have outside the second water blocking layer, the second water blocking layer outside moisture barrier, moisture barrier and there is outer coat, outside outer coat, there is dyed layer.
Water resisting optical fiber described above, is characterized in that described dyed layer is that integral coating is distributed in outside outer coat, or is distributed in outside outer coat so that the mode of strip local is coated.
Water resisting optical fiber described above, it is characterized in that described dyed layer be integral coating be distributed in outside outer coat time, dyed layer is same color.
Water resisting optical fiber described above, it is characterized in that described dyed layer be with the mode of strip local coated be distributed in outside outer coat time, dyed layer has one or more, and when having many, dyed layer has at least two kinds of colors.
Water resisting optical fiber described above, is characterized in that the diameter of described fibre core is 7.0 ~ 12.0 μm or 62.5 ± 5 μm or 50.0 ± 2.5 μm.
Water resisting optical fiber described above, is characterized in that the diameter of described covering is 125.0 ± 2.0 μm.
Water resisting optical fiber described above, is characterized in that the diameter of described interior coat is 200.0 ± 10.0 μm.
Water resisting optical fiber described above, is characterized in that the thickness of described first water blocking layer is 30.0 ± 5.0 μm.
Water resisting optical fiber described above, is characterized in that the thickness of described moisture barrier is 20.0 ± 5.0 μm.
Water resisting optical fiber described above, is characterized in that the thickness of described second water blocking layer is 30.0 ± 5.0 μm.
Water resisting optical fiber described above, is characterized in that the thickness of described outer coat is 40.0 ± 5.0 μm.
Water resisting optical fiber described above, is characterized in that the thickness of described dyed layer is 5.0 ± 1.5 μm.
Water resisting optical fiber described above, is characterized in that the material of described fibre core, covering is the material of optical fiber in prior art; The material of described interior coat, outer coat is the material of coat in prior art.
Water resisting optical fiber described above, it is characterized in that described first water blocking layer is the hot melt adhesive or by weight of synthesis of polymer material, be made up of following raw material: polyacrylic resin: 95 ~ 100 parts, fineness is the water-proofing powder of below 300 orders: 1 ~ 3 part, model be 3091 commercially available ultra-violet curing agent: 3 ~ 5 parts, model is the commercially available ultraviolet initiator of UV500: 8 ~ 12 parts.
Water resisting optical fiber described above, is characterized in that the material of described moisture barrier is tygon or polypropylene or nylon.
Water resisting optical fiber described above, is characterized in that the material of described second water blocking layer is polyurethane.
Water resisting optical fiber described above, is characterized in that the material of described dyed layer is optical fiber ultra-violet curing coloring printing ink.
A kind of optical cable, it includes Loose tube, the separation layer be positioned at outside Loose tube, the restrictive coating that is positioned at reinforcement outside separation layer, reinforcement and separation layer enveloped, it is characterized in that described Loose tube inside has many water resisting optical fibers described above, in Loose tube except optical fiber not containing other filler.
A kind of optical cable, it includes many Loose tube, Loose tube is positioned at outside reinforcement, separation layer Loose tube and reinforcement enveloped, be positioned at restrictive coating outside separation layer, it is characterized in that described Loose tube inside has many water resisting optical fibers described above, in Loose tube except optical fiber not containing other filler; The material that blocks water is there is not in the gap that separation layer, Loose tube, reinforcement are formed.
A kind of optical cable, it includes at least one gasket for packing, at least one Loose tube, Loose tube and gasket for packing are positioned at outside reinforcement, separation layer Loose tube, gasket for packing and reinforcement enveloped, be positioned at restrictive coating outside separation layer, it is characterized in that described Loose tube inside has many water resisting optical fibers described above, in Loose tube except optical fiber not containing other filler; The material that blocks water is there is not in the gap that separation layer, Loose tube, gasket for packing, reinforcement are formed.
In the utility model, water resisting optical fiber is when containing dyed layer, nominal diameter is only 325 μm, slightly overstriking compared with the optical fiber nominal diameter required in prior art 245 μm, in applicant is to prior art, nearly ten thousand optical fiber pass photodistributed research, and when coat diameter is 180 μm, the transfer efficiency of light reaches 99.98%, therefore, require coat diameter to be 245 μm to be completely the consideration in order to mechanical properties; Interior coat diameter is reduced to 200 μm of nominal values by applicant, does not almost affect for light transmissioning efficiency; After adopting the structure of the application, the optical property of optical fiber, mechanical property are up to state standards the requirement of GB9771 completely, and some mechanical performance index completely outstripped the required value of GB9771; Optical fiber at-10 DEG C ~+85 DEG C, temperature-humidity special ring additional attenuation absolute value≤0.05dB/km under relative humidity; 23 DEG C, 365 days immersion additional attenuation absolute value≤0.03dB/km; 85 DEG C, 85% relative humidity, 180 days damp and hot additional attenuation absolute value≤0.05dB/km; 85 DEG C of xeothermic aging additional attenuation absolute value≤0.05dB/km; Off-line screening tension force >=14.6N; Optical fiber reaches extremely excellent block-water performance and block-water effect.
When the water resisting optical fiber of the application is used in optical cable, although the overall diameter of optical fiber slightly increases, but owing to not needing to fill fine cream in Loose tube, block water fibre, water-proofing powders etc. block water material, and the stretching resistance of optical fiber is larger, therefore the overall diameter of Loose tube can reduce by 10 ~ 20%, speed of production can increase by 40 ~ 60%, integrated cost saving 8 ~ 15% compared with of the prior art of Loose tube, in optical cable, because Loose tube outside no longer needs to fill other material that blocks water, therefore, cost obviously reduces, production efficiency significantly improves, production scene is cleaner and tidier, eliminate the buying of the material especially ointment class that blocks water, make environment more friendly, during inspection, the paper removing ointment is no longer needed during use, therefore, more by the producer, proofer, liking of user's construction party.
In the utility model, because the overall diameter of water resisting optical fiber increases, dyed layer is made not need to resemble in the prior art, integral coating must be adopted to be distributed in mode outside outer coat, and can adopt in the coated mode be distributed in outside outer coat in the mode of strip local, such dyed layer only can have one or more, and when having many, dyed layer has at least two kinds of colors; Article one, also can realize time clearly offering an explanation and producing easily, when two, can by being combined to form the difference of different fiber different colours combination; And the optical fiber of 245 μm of nominal diameters in prior art, cannot accomplish at present to carry out painted differentiation in the mode of strip, and colour circle can only be adopted distinguish.
Therefore, the utility model has following main beneficial effect: water resisting optical fiber block-water effect is good, tension stress is large; Use the optical cable of this water resisting optical fiber produce more convenient, cost is lower, more favor by the producer, proofer and user.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the embodiment 1 of the utility model water resisting optical fiber.
Fig. 2 is the cross-sectional structure schematic diagram of the embodiment 2 of the utility model water resisting optical fiber.
Fig. 3 is the cross-sectional structure schematic diagram of the embodiment 3 of the utility model water resisting optical fiber.
Fig. 4 is the cross-sectional structure schematic diagram of the embodiment 4 of the utility model water resisting optical fiber.
Fig. 5 is the cross-sectional structure schematic diagram of the optical cable using water resisting optical fiber in the utility model embodiment 5.
Fig. 6 is the cross-sectional structure schematic diagram of the optical cable using water resisting optical fiber in the utility model embodiment 6.
Embodiment
embodiment 1
Ask for an interview Fig. 1, water resisting optical fiber 10, it comprise be positioned at central authorities fibre core 1, be positioned at covering 2 outside fibre core, be positioned at the coat 3 outside covering; It is characterized in that having outside coat having outside the first water blocking layer 4, first water blocking layer to have outside the second water blocking layer 6, second water blocking layer outside moisture barrier 5, moisture barrier and there is outer coat 7.
embodiment 2
Ask for an interview Fig. 2, water resisting optical fiber 10, it comprise be positioned at central authorities fibre core 1, be positioned at covering 2 outside fibre core, be positioned at the coat 3 outside covering; It is characterized in that having outside coat having outside the first water blocking layer 4, first water blocking layer to have outside the second water blocking layer 6, second water blocking layer outside moisture barrier 5, moisture barrier and there is outer coat 7, there is outside outer coat dyed layer 8; Described dyed layer is that integral coating is distributed in outside outer coat; Dyed layer is same color.
embodiment 3
Ask for an interview Fig. 3, water resisting optical fiber 10, substantially with embodiment 2, difference is that described dyed layer 8 is distributed in outside outer coat so that the mode of strip local is coated; Dyed layer has one.
embodiment 4
Ask for an interview Fig. 4, water resisting optical fiber described above, it is characterized in that described dyed layer 8 is distributed in outside outer coat so that the mode of strip local is coated, dyed layer has two, and dyed layer has at least two kinds of different colours.
Certainly, dyed layer can also be many, and dyed layer has at least two kinds of colors.
Further, dyed layer can be same color, passes through the differentiation that vitta width distribution realizes different fiber.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the diameter of described fibre core is 7.0 ~ 12.0 μm or 62.5 ± 5 μm or 50.0 ± 2.5 μm.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the diameter of described covering is 125.0 ± 2.0 μm.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the diameter of described interior coat is 200.0 ± 10.0 μm.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the thickness of described first water blocking layer is 30.0 ± 5.0 μm.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the thickness of described moisture barrier is 20.0 ± 5.0 μm.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the thickness of described second water blocking layer is 30.0 ± 5.0 μm.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the thickness of described outer coat is 40.0 ± 5.0 μm.
Water resisting optical fiber in above-mentioned embodiment 2 to embodiment 4 described in arbitrary embodiment, is characterized in that the thickness of described dyed layer is 5.0 ± 1.5 μm.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the material of described fibre core, covering is the material of optical fiber in prior art; The material of described interior coat, outer coat is the material of coat in prior art.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, it is characterized in that described first water blocking layer is the hot melt adhesive or by weight of synthesis of polymer material, be made up of following raw material: polyacrylic resin: 95 ~ 100 parts, fineness is the water-proofing powder of below 300 orders: 1 ~ 3 part, model be 3091 commercially available ultra-violet curing agent: 3 ~ 5 parts, model is the commercially available ultraviolet initiator of UV500: 8 ~ 12 parts.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the material of described moisture barrier is tygon or polypropylene or nylon 6.
Water resisting optical fiber described in above-mentioned arbitrary embodiment, is characterized in that the material of described second water blocking layer is polyurethane.
Water resisting optical fiber in above-mentioned embodiment 2 to embodiment 4 described in arbitrary embodiment, is characterized in that the material of described dyed layer is optical fiber ultra-violet curing coloring printing ink.
embodiment 5
Ask for an interview Fig. 5, a kind of optical cable, it includes Loose tube 91, the separation layer 92 be positioned at outside Loose tube, the restrictive coating 94 that is positioned at reinforcement 93 outside separation layer, reinforcement and separation layer enveloped, it is characterized in that described Loose tube inside has the water resisting optical fiber described in many above-mentioned arbitrary embodiments, in Loose tube, except optical fiber, do not contain other filler.
embodiment 6
Ask for an interview Fig. 6, a kind of optical cable, it includes at least one gasket for packing, at least one Loose tube 91, Loose tube and gasket for packing are positioned at outside reinforcement 93, the separation layer 92 Loose tube, gasket for packing and reinforcement enveloped, be positioned at restrictive coating 94 outside separation layer, it is characterized in that described Loose tube inside has the water resisting optical fiber described in many above-mentioned arbitrary embodiments, in Loose tube, except optical fiber, do not contain other filler; The material that blocks water is there is not in the gap that separation layer, Loose tube, gasket for packing, reinforcement are formed.
In the utility model, water resisting optical fiber is when containing dyed layer, nominal diameter is only 325 μm, slightly overstriking compared with the optical fiber nominal diameter required in prior art 245 μm, in applicant is to prior art, nearly ten thousand optical fiber pass photodistributed research, and when coat diameter is 180 μm, the transfer efficiency of light reaches 99.98%, therefore, require coat diameter to be 245 μm to be completely the consideration in order to mechanical properties; Interior coat diameter is reduced to 200 μm of nominal values by applicant, does not almost affect for light transmissioning efficiency; After adopting the structure of the application, the optical property of optical fiber, mechanical property are up to state standards the requirement of GB9771 completely, and some mechanical performance index completely outstripped the required value of GB9771; Optical fiber at-10 DEG C ~+85 DEG C, temperature-humidity special ring additional attenuation absolute value≤0.05dB/km under relative humidity; 23 DEG C, 365 days immersion additional attenuation absolute value≤0.03dB/km; 85 DEG C, 85% relative humidity, 180 days damp and hot additional attenuation absolute value≤0.05dB/km; 85 DEG C of xeothermic aging additional attenuation absolute value≤0.05dB/km; Off-line screening tension force >=14.6N; Optical fiber reaches extremely excellent block-water performance and block-water effect.
When the water resisting optical fiber of the application is used in optical cable, although the overall diameter of optical fiber slightly increases, but owing to not needing to fill fine cream in Loose tube, block water fibre, water-proofing powders etc. block water material, and the stretching resistance of optical fiber is larger, therefore the overall diameter of Loose tube can reduce by 10 ~ 20%, speed of production can increase by 40 ~ 60%, integrated cost saving 8 ~ 15% compared with of the prior art of Loose tube, in optical cable, because Loose tube outside no longer needs to fill other material that blocks water, therefore, cost obviously reduces, production efficiency significantly improves, production scene is cleaner and tidier, eliminate the buying of the material especially ointment class that blocks water, make environment more friendly, during inspection, the paper removing ointment is no longer needed during use, therefore, more by the producer, proofer, liking of user's construction party.
In the utility model, because the overall diameter of water resisting optical fiber increases, dyed layer is made not need to resemble in the prior art, integral coating must be adopted to be distributed in mode outside outer coat, and can adopt in the coated mode be distributed in outside outer coat in the mode of strip local, such dyed layer only can have one or more, and when having many, dyed layer has at least two kinds of colors; Article one, also can realize time clearly offering an explanation and producing easily, when two, can by being combined to form the difference of different fiber different colours combination; And the optical fiber of 245 μm of nominal diameters in prior art, cannot accomplish at present to carry out painted differentiation in the mode of strip, and colour circle can only be adopted distinguish.
Therefore, the utility model has following main beneficial effect: water resisting optical fiber block-water effect is good, tension stress is large; Use the optical cable of this water resisting optical fiber produce more convenient, cost is lower, more favor by the producer, proofer and user.
The utility model is not limited to above-mentioned preferred forms, and should be appreciated that design of the present utility model can be implemented to use by other various forms, they drop in protection domain of the present utility model equally.
Claims (8)
1. water resisting optical fiber, it comprise be positioned at central authorities fibre core, be positioned at covering outside fibre core, be positioned at the coat outside covering; It is characterized in that having outside coat having outside the first water blocking layer, the first water blocking layer to have outside the second water blocking layer, the second water blocking layer outside moisture barrier, moisture barrier and have outer coat, the diameter of described fibre core is 7.0 ~ 12.0 μm or 62.5 ± 5 μm or 50.0 ± 2.5 μm; The diameter of described covering is 125.0 ± 2.0 μm; The diameter of described interior coat is 200.0 ± 10.0 μm; The thickness of the first water blocking layer is 30.0 ± 5.0 μm; The thickness of described moisture barrier is 20.0 ± 5.0 μm; The thickness of described second water blocking layer is 30.0 ± 5.0 μm; The thickness of described outer coat is 40.0 ± 5.0 μm; Or water resisting optical fiber, it comprise be positioned at central authorities fibre core, be positioned at covering outside fibre core, be positioned at the coat outside covering; It is characterized in that having outside coat having outside the first water blocking layer, the first water blocking layer to have outside the second water blocking layer, the second water blocking layer outside moisture barrier, moisture barrier and there is outer coat, have dyed layer outside outer coat, the diameter of described fibre core is 7.0 ~ 12.0 μm or 62.5 ± 5 μm or 50.0 ± 2.5 μm; The diameter of described covering is 125.0 ± 2.0 μm; The diameter of described interior coat is 200.0 ± 10.0 μm; The thickness of the first water blocking layer is 30.0 ± 5.0 μm; The thickness of described moisture barrier is 20.0 ± 5.0 μm; The thickness of described second water blocking layer is 30.0 ± 5.0 μm; The thickness of described outer coat is 40.0 ± 5.0 μm.
2. water resisting optical fiber according to claim 1, is characterized in that described dyed layer is that integral coating is distributed in outside outer coat, or is distributed in outside outer coat so that the mode of strip local is coated; Described dyed layer be integral coating be distributed in outside outer coat time, dyed layer is same color.
3. according to water resisting optical fiber according to claim 1 or claim 2, it is characterized in that described dyed layer be with the mode of strip local coated be distributed in outside outer coat time, dyed layer has one or more, and when having many, dyed layer has at least two kinds of colors.
4., according to water resisting optical fiber according to claim 1 or claim 2, it is characterized in that the thickness of described dyed layer is 5.0 ± 1.5 μm.
5. water resisting optical fiber according to claim 3, is characterized in that the thickness of described dyed layer is 5.0 ± 1.5 μm.
6., according to water resisting optical fiber according to claim 1 or claim 2, it is characterized in that described first water blocking layer is the hot melt adhesive of synthesis of polymer material.
7. water resisting optical fiber according to claim 6, is characterized in that the material of described moisture barrier is tygon or polypropylene or nylon.
8. water resisting optical fiber according to claim 7, is characterized in that the material of described second water blocking layer is polyurethane; The material of described dyed layer is optical fiber ultra-violet curing coloring printing ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420572746.5U CN204154931U (en) | 2014-10-05 | 2014-10-05 | Water resisting optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420572746.5U CN204154931U (en) | 2014-10-05 | 2014-10-05 | Water resisting optical fiber |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420729425.1U Division CN204389744U (en) | 2014-10-05 | 2014-10-05 | Use the optical cable of water resisting optical fiber |
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| Publication Number | Publication Date |
|---|---|
| CN204154931U true CN204154931U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420572746.5U Expired - Fee Related CN204154931U (en) | 2014-10-05 | 2014-10-05 | Water resisting optical fiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267461A (en) * | 2014-10-19 | 2015-01-07 | 凌卫康 | Water blocking optical fiber and optical fiber with same |
| CN107561659A (en) * | 2017-09-29 | 2018-01-09 | 烽火通信科技股份有限公司 | A kind of skeleton Loose tube |
| CN110727070A (en) * | 2019-10-24 | 2020-01-24 | 江苏华脉光电科技有限公司 | Full-dry type nonmetal fire-resistant optical cable |
-
2014
- 2014-10-05 CN CN201420572746.5U patent/CN204154931U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267461A (en) * | 2014-10-19 | 2015-01-07 | 凌卫康 | Water blocking optical fiber and optical fiber with same |
| CN108663761A (en) * | 2014-10-19 | 2018-10-16 | 凌卫康 | A kind of central-beam tube type fiber optic cable with water resisting optical fiber |
| CN107561659A (en) * | 2017-09-29 | 2018-01-09 | 烽火通信科技股份有限公司 | A kind of skeleton Loose tube |
| CN110727070A (en) * | 2019-10-24 | 2020-01-24 | 江苏华脉光电科技有限公司 | Full-dry type nonmetal fire-resistant optical cable |
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