CN115128748B - Sonar-resistant submarine optical cable and preparation method thereof - Google Patents
Sonar-resistant submarine optical cable and preparation method thereof Download PDFInfo
- Publication number
- CN115128748B CN115128748B CN202210306478.1A CN202210306478A CN115128748B CN 115128748 B CN115128748 B CN 115128748B CN 202210306478 A CN202210306478 A CN 202210306478A CN 115128748 B CN115128748 B CN 115128748B
- Authority
- CN
- China
- Prior art keywords
- layer
- spiral
- double
- strip
- stainless steel
- Prior art date
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000010410 layer Substances 0.000 claims abstract description 112
- 239000010935 stainless steel Substances 0.000 claims abstract description 52
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 239000004033 plastic Substances 0.000 claims abstract description 31
- 239000011664 nicotinic acid Substances 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 22
- 229920000728 polyester Polymers 0.000 claims abstract description 21
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 17
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 12
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims description 21
- 230000004224 protection Effects 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000003365 glass fiber Substances 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000035882 stress Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007123 defense Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
- G02B6/4439—Auxiliary devices
-
- 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
- G02B6/448—Ribbon cables
Abstract
The invention relates to an anti-sonar submarine optical cable, which comprises a seamless stainless steel optical unit cable core, an FRP strip S spiral armor layer, a double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer, wherein AB double-component water-blocking glue is filled between the double armor layers, and the sheath is an HDPE waterproof sheath layer and a polyester streamer woven bionic protective layer; the double-layer forward and reverse armor layer has excellent tensile and compressive properties, the special buckle type steel tape armor layer has a flow guiding function, the polyester streamer woven bionic protective layer structure has vortex-induced vibration resistance and noise reduction performance, meets the stability requirement of submarine optical communication, and has excellent sonar resistance and high reliability.
Description
Technical Field
The invention relates to the technical field of optical cable structures, in particular to an anti-sonar submarine optical cable and a preparation method thereof.
Background
The China is a large ocean country, the coastline is long, the jurisdictional sea area is wide, and the ocean resources are rich. In recent years, the construction of marine ecology civilization in China achieves remarkable effect, and a four-large system is formed preliminarily: the resource management system mainly comprises the development and utilization of sea areas and islands without residents, the environment management system mainly comprises pollution control, ecological protection and environment restoration, the business system mainly comprises monitoring, forecasting, investigation and the like, and the legal system based on special laws and supervision systems.
Ocean development and sea defense construction, information advance, and existing offshore communication mainly comprises two kinds of wireless fixed frequency band electromagnetic wave encryption communication and communication optical cables. The wireless mode is an ancient mode, has low investment, but has the defects of low signal transmission capacity, short distance, easy interference and monitoring and the like, and is basically used for communication of a conventional civil system. The cable system mainly adopts a submarine optical cable, the traditional submarine optical cable generally comprises an optical fiber unit, a copper pipe, an insulating sheath and a stranded multi-layer steel wire armor protection structure, the external diameter of the submarine optical cable reaches 30mm, the unit weight of the submarine optical cable reaches 600kg/km, the submarine optical cable is quite expensive, and the submarine optical cable is easily found and damaged by a side-scan sonar system in a marine defense and monitoring system due to the large size and the multi-layer metal protection structure, so that the submarine optical cable cannot meet the requirements of modern marine defense construction.
Disclosure of Invention
Aiming at the defects existing in the prior art, one of the purposes of the invention is to provide the sonar-proof submarine optical cable with vortex-induced vibration resistance and noise reduction performance, which meets the stability requirement of submarine optical communication, and has more excellent sonar resistance and higher reliability.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an anti-sonar submarine optical cable, includes seamless stainless steel optical unit cable core, along seamless stainless steel optical unit cable core transposition' S FRP area S spiral armor, along the reverse stranded two-sided plastic-coated chromium-plated steel band Z spiral buckle formula armor of FRP area S spiral armor, water-blocking layer, HDPE water proof sheath layer and bionic protection layer in proper order from inside to outside.
Through adopting above-mentioned technical scheme, FRP area S spiral armor and two-sided plastic-coated chromium-plated steel band Z spiral buckle formula armor can reduce the weight of cable body by a wide margin to offset inner and outer layer stress, the arch structure of spiral steel band can guarantee tensile compressive property and stability simultaneously.
The present invention may be further configured in a preferred example to: the seamless stainless steel optical unit cable core comprises a seamless stainless steel tube, a plurality of communication optical fibers are contained in the seamless stainless steel tube, the communication optical fibers are distributed in the seamless stainless steel tube in an SIN mode, the residual length is 0.5% -0.6%, and hydrogen absorption and water blocking fiber paste is filled in the seamless stainless steel tube.
By adopting the technical scheme, the seamless stainless steel pipe filled with the hydrogen-absorbing water-blocking fiber paste is high in structural stability, small in occupied space and high in water resistance.
The present invention may be further configured in a preferred example to: the FRP strip S spiral armor layer is a flat FRP glass fiber strip with the thickness of 0.12-0.25 mm, and the flat FRP glass fiber strip is stranded around the seamless stainless steel optical unit cable core in a left-hand manner.
By adopting the technical scheme, compared with the traditional steel wire or FRP rod armor, the flat FRP glass fiber tape has the characteristics of high strength and light weight.
The present invention may be further configured in a preferred example to: the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer is stranded on the outer side of the FRP strip S spiral armor layer in the right direction, and the thickness is between 0.2 and 0.25 mm.
Through adopting above-mentioned technical scheme, the specific arch structure of two-sided plastic-coated chromium-plated steel band Z spiral buckle formula armor makes the cable body more stable, has improved the tensile and compressive properties of cable, and buckle formula steel band armor possesses the water conservancy diversion function, can effectively reduce the reflection of sonar signal.
The present invention may be further configured in a preferred example to: the waterproof layer is positioned between the FRP strip S spiral armor layer and the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer, and AB double-component glue is adopted.
Through adopting above-mentioned technical scheme, AB two-component glue water-blocking layer can solidify into the colloid in the cable body transposition finishes 24 hours, effectively blocks up cable core inside clearance, promotes the vertical water-blocking performance of cable.
The present invention may be further configured in a preferred example to: the thickness of the HDPE waterproof sheath layer is between 2 and 3 mm.
By adopting the technical scheme, the HDPE waterproof sheath layer ensures the compressive property and the transverse water blocking property of the cable.
The present invention may be further configured in a preferred example to: the bionic protective layer is woven by polyester ribbons.
By adopting the technical scheme, the bionic protection layer structure woven by the polyester streamer has vortex-induced vibration resistance and noise reduction performance, and is combined with underwater organisms for a long time to generate a bionic protection structure, and is integrated with underwater environment, so that the streamer cable has excellent sonar resistance and high reliability.
The invention further aims to provide a preparation method of the sonar-prevention submarine optical cable.
The above object of the present invention is achieved by the following technical solutions:
a preparation method of an anti-sonar submarine optical cable comprises the following steps:
step one, preparing a cable core: the seamless stainless steel optical unit cable core is a seamless stainless steel tube formed by laser welding after being wrapped by an SUS304 stainless steel belt with the thickness of 0.25-0.30 mm, the outer diameter of the seamless stainless steel tube is about 2.7-5.0 mm, a plurality of communication optical fibers are contained, the communication optical fibers are distributed in the seamless stainless steel tube in the form of SIN, the residual length of the communication optical fibers is 0.5-0.6%, hydrogen-absorbing and water-blocking fiber paste is filled in the seamless stainless steel tube, and the filling rate of the communication optical fibers is 85-90%.
Step two, stranding the FRP strip S spiral armor layer: adopting 10-20 flat FRP glass fiber strips with the width of 1.5-2 mm and the thickness of 0.12-0.25 mm, and the twisting pitch of 60-80 mm, and using a spiral twisting cage with a back twisting function to twist the FRP glass fiber strips around the seamless stainless steel optical unit cable core in a left-hand manner to form an FRP strip S spiral armor layer;
step three, twisting the Z spiral buckle type armor layer of the double-sided plastic-coated chromium-plated steel belt: 6-12 double-sided plastic-coated chrome-plated steel belts with the width of 2.5-3 mm and the thickness of 0.2-0.25 mm are used, the steel belts are twisted on the outer side of the FRP belt in the right direction by using a spiral twisting cage with a back twisting function, and the twisting pitch is 70-90 mm, so that a Z spiral buckle type armor layer of the double-sided plastic-coated chrome-plated steel belt is formed;
and step four, filling a water-blocking layer: an AB double-component glue waterproof layer is filled between the FRP strip S spiral armor layer and the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer;
step five, manufacturing a sheath layer: extruding an HDPE waterproof sheath layer with the thickness of 2.5-4.0 mm on the outer layer of the Z spiral buckle type armor layer of the double-sided plastic-coated chromium-plated steel belt, so as to ensure the compression resistance and the transverse water blocking performance of the cable;
step six, manufacturing a bionic protective layer: the HDPE waterproof sheath layer adopts a bionic protection layer woven by polyester ribbons, the thickness of the polyester ribbons is 0.8-1 mm, partial ribbons are left on the outer side, the final outer diameter is 10-15 mm, and the weight is 120-180 kg/km.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. compared with the traditional unidirectional steel wire stranded submarine optical cable, the bidirectional spiral armor of the FRP belt with high elastic modulus and the chrome plating steel belt is adopted, so that the weight of the cable body is greatly reduced, the stress of the inner layer and the outer layer is counteracted, and meanwhile, the arch structure of the spiral steel belt can ensure the tensile and compressive properties and stability;
2. compared with the traditional submarine optical cable, the waterproof tape or ointment is used, the AB double-component waterproof adhesive which is more environment-friendly is used, the AB double-component waterproof adhesive layer can be solidified into a colloid within 24 hours after the cable body is twisted, the gap inside the cable core is effectively blocked, the cable body is kept stable under the high-water-pressure deep sea environment, and the waterproof effect is better;
3. compared with the traditional submarine optical cable which uses a stainless steel optical unit, the invention has the structure that the copper pipe is coated on the outer layer and then is insulated by extrusion, and the stranded multi-layer steel wire has the structure that the outer diameter is reduced by more than 50 percent, thereby greatly reducing the cost and being convenient for laying and later maintenance;
4. compared with the traditional submarine optical cable, the invention uses fewer metal materials, can effectively reduce noise and vibration, has the flow guiding function, and can effectively reduce the reflection of sonar signals;
5. compared with the traditional submarine optical cable, the bionic protection layer woven by the polyester ribbon is added on the outer layer, the polyester ribbon has good weather resistance and corrosion resistance, part of ribbon is reserved on the outer side, the bionic protection structure is formed by combining the polyester ribbon with submarine organisms for a long time, and the bionic protection structure is integrated with the submarine environment, so that the ribbon cable has excellent sonar resistance and high reliability.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
Fig. 1 is a schematic overall structure of the present embodiment.
Fig. 2 is a schematic diagram showing the contrast of the shadows of the present embodiment with those of a conventional submarine cable.
The reference numerals in the drawings are:
1-a seamless stainless steel optical unit cable core; 11-seamless stainless steel tube; 12-communication optical fiber; 13-hydrogen-absorbing water-blocking fiber paste; 2-FRP strip S spiral armor; 3-snap-in armor; 4-a water blocking layer; 5-HDPE water-proof sheath layer; 6-a bionic protective layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the sonar-prevention submarine optical cable disclosed by the invention sequentially comprises a seamless stainless steel optical unit cable core 1, an FRP strip S spiral armor layer 2 stranded along the seamless stainless steel optical unit cable core 1, a double-sided plastic-coated chromium-plated steel strip Z spiral buckle armor layer 3 reversely stranded along the FRP strip S spiral armor layer 2, a water-resistant layer 4, an HDPE water-resistant sheath layer and a bionic protection layer 6 from inside to outside.
The seamless stainless steel optical unit cable core 1 comprises a seamless stainless steel tube 11, a plurality of communication optical fibers 12 are contained in the seamless stainless steel tube 11, the communication optical fibers 12 are distributed in an SIN mode in the seamless stainless steel tube 11, the residual length is 0.5% -0.6%, and hydrogen-absorbing and water-blocking fiber paste 13 is filled in the tube.
The FRP strip S spiral armor layer 2 adopts a flat FRP glass fiber strip with the thickness of 0.12-0.25 mm, the FRP glass fiber strip is a strip-mounted composite plastic which is formed by using glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin as matrix materials, the relative density of the glass fiber reinforced plastic is 1.9-2.1, but the tensile strength is only 1/4-1/5 of that of carbon steel, but is close to or even exceeds that of carbon steel, the strength can be comparable to that of high-grade alloy steel, the flat FRP glass fiber strip is stranded around a seamless stainless steel optical unit cable core 1 in a left-hand manner, the elastic modulus is more than or equal to 75Gpa, the stranding pitch is 60-80 mm, and compared with the traditional steel wire or FRP rod armor, the composite plastic has the characteristics of high strength and light weight, and a spiral stranding cage with a untwisting function is used.
The double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer 3 is stranded on the outer side of the FRP strip S spiral armor layer 2 in the right direction, the thickness is between 0.2 and 0.25mm, the stranded pitch is between 70 and 90mm, the stranded stress of the inner layer and the outer layer is counteracted, the torsional rigidity difference between the front direction and the back direction of the cable is guaranteed to be within 10 to 15%, the cable body is enabled to be more stable by the special arch structure, the tensile and compressive properties of the cable are improved, the buckle type steel strip armor layer has a flow guiding function, and the reflection of sonar signals can be effectively reduced.
The waterproof layer 4 is located between the FRP strip S spiral armor layer 2 and the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer 3, and AB double-component glue is adopted, the AB double-component glue waterproof layer 4 can be solidified into a glue shape within 24 hours after the cable body is twisted, the inner gap of the cable core is effectively blocked, and the longitudinal water blocking performance of the cable is improved.
The HDPE water-proof sheath layer has the thickness of 2-3 mm, the HDPE adopts 6062 high-density PE plastic, the crystallinity is 80% -90%, the softening point is 125-135 ℃, the HDPE is manufactured by using Ziegler-Natta polymerization method, ethylene PE is used as main raw material, propylene, 1-butene and hexene are used as copolymer, slurry polymerization or gas phase polymerization process is adopted under the action of catalyst, and high-grade carbon black pigment is added to ensure excellent UV resistance, and the high-grade carbon black water-proof sheath layer is characterized in that no branched chain exists on a molecular chain, so that the molecular chain is regular in arrangement and has higher density. The use temperature can reach 120 ℃; hardness, tensile strength and creep are superior to low density polyethylene; the wear resistance, the electrical insulation property, the toughness and the cold resistance are good; the cable has good chemical stability and poor ageing resistance, has lower heat distortion temperature under the condition of stress, and ensures the compression resistance and transverse water blocking performance of the cable.
The bionic protection layer 6 is woven by polyester ribbons, the polyester ribbons have good weather resistance and corrosion resistance, the thickness is about 0.8-1 mm, part of ribbons are reserved on the outer side, the final outer diameter is about 10-15 mm, the weight is 120-180 kg/km, the bionic protection layer 6 woven by the polyester ribbons has vortex-induced vibration resistance and noise reduction performance, the bionic protection structure is formed by combining the bionic protection layer 6 woven by the polyester ribbons with underwater organisms for a long time, and the bionic protection structure is integrated with underwater environment, so that the ribbon cable has excellent sonar resistance and high reliability.
A preparation method of an anti-sonar submarine optical cable comprises the following steps:
step one, preparing a cable core: the production of the seamless stainless steel optical unit cable core is completed by a laser welded pipe production line, and the equipment consists of a steel belt active paying-off device, an optical fiber paying-off device, a stainless steel forming table, a laser welding machine, a fiber paste filling device, a drawing device, a surplus length control device, a monitoring device and a wire winding device. A304 stainless steel band with a large width of 0.25-0.30 mm in thickness (such as a conventional 2.7mm pipe is manufactured according to 4.0-4.8 mm and then drawn into a small-diameter pipe), a plurality of stainless steel bands are welded into a whole in an end-to-end mode in order to meet the production requirement of the large-length stainless steel pipe, the stainless steel bands are wrapped by the stainless steel bands, then are welded into a seamless stainless steel pipe 11 through laser, the outer diameter is between 2.7-5.0 mm, a plurality of communication optical fibers 12 are contained, the communication optical fibers 12 are discharged under constant tension by an optical fiber paying-off device, 96-core optical fibers can be supported at maximum, the communication optical fibers 12 are distributed in the form of SIN at the seamless stainless steel pipe 11, the residual length is 0.5-0.6%, the hydrogen absorbing and water blocking fiber paste 13 is filled in the seamless stainless steel pipe 11, the filling rate is 85-90%, the mechanical property of the stainless steel pipe is improved after passing through a drawing device, the residual length of the optical fibers is reduced to 0.2-0.4%, and the pipe is well entering a winding line after passing through an eddy current monitoring device.
Step two, twisting the FRP strip S spiral armor layer 2: 10-20 flat FRP glass fiber strips with the width of 1.5-2 mm and the thickness of 0.12-0.25 mm are adopted, the twisting pitch is 60-80 mm, a spiral twisting cage with a back twisting function is used, and the paying-off reel of the device is a 630 reel, so that the paying-off tension of a cable core after cabling is ensured to be 30-50N, and the conditions of unqualified fiber steps or snakelike bending caused by uneven tension due to overlarge tension are avoided; meanwhile, the tension of the FRP belt is reasonably adjusted to be between 5 and 10N, so that the whole cable core is uniformly and tightly wrapped, faults such as belt breakage and the like are avoided, and the FRP glass fiber belt is twisted around the seamless stainless steel optical unit cable core 1 in a left-hand manner to form an FRP belt S spiral armor layer 2;
step three, twisting the Z spiral buckle type armor layer 3 of the double-sided plastic-coated chromium-plated steel belt: 6-12 double-sided plastic-coated chrome-plated steel belts with the width of 2.5-3 mm and the thickness of 0.2-0.25 mm are used, the steel belts are stranded on the outer side of the FRP belts in the right direction by using a spiral stranding cage with a back twisting function, the stranding pitch is 70-90 mm, and a double-sided plastic-coated chrome-plated steel belt Z spiral buckle type armor layer 3 is formed; meanwhile, the tension of the FRP belt is reasonably adjusted to be 4-8N, so that the whole cable core is uniformly and tightly wrapped and faults such as belt breakage and the like are avoided;
and step four, filling a water blocking layer 4: an AB double-component glue waterproof layer 4 is filled between the FRP strip S spiral armor layer 2 and the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer 3, and the AB glue has the best coagulation effect according to the proportion of 83:17 in a double-pipe glue dripping mode;
step five, manufacturing a sheath layer 5: the method is mainly completed by a 120 plastic extruding machine, an HDPE waterproof sheath layer 5 with the thickness of 2.5-4.0 mm is extruded on the outer layer of a double-sided plastic-coated chromium-plated steel belt Z spiral buckle type armor layer 3, the temperature is set to be 120-165 ℃, a cable core sequentially passes through preforming, sizing, a semi-extrusion mold core and a mold sleeve, the rounding and compaction performance of the cable are improved, and the compression resistance and the transverse water blocking performance of the cable are ensured;
step six, manufacturing a bionic protective layer 6: the method is mainly completed by 36 cables by a shielding layer braiding machine, the polyester ribbon with high tensile strength is used for unidirectional plain weave, the braiding density is more than 85%, a bionic protective layer 6 is braided outside the HDPE waterproof sheath layer 5, the thickness of the polyester ribbon is 0.8-1 mm, partial ribbon is reserved on the outer side, the length is 5-8 cm, the final outer diameter is 10-15 mm, and the weight is 120-180 kg/km.
1. Compared with the traditional unidirectional steel wire stranded submarine optical cable, the bidirectional spiral armor is formed by adopting the high elastic modulus FRP belt and the chromium plating steel belt, the thickness of the novel material is about 0.2-0.3 mm, the weight of the cable body is greatly reduced, the stress of the inner layer and the outer layer is counteracted, and meanwhile, the arch structure of the spiral steel belt can ensure the tensile and compression resistance and stability;
2. compared with the traditional submarine optical cable, the waterproof tape or ointment is used, the AB double-component waterproof adhesive which is more environment-friendly is used, the AB double-component waterproof adhesive layer 4 can be solidified into colloid within 24 hours after the cable body is stranded, the internal gap of the cable core is effectively blocked, the cable body is kept stable under the high water pressure deep sea environment, and the waterproof meets 47m (far better than the water seepage requirement of the traditional submarine optical cable of 7 days 200 m) under 2 Mpa;
3. compared with the traditional submarine optical cable which uses a stainless steel optical unit, the outer layer is coated with a copper pipe, then the copper pipe is extruded and insulated, the structure of stranded multi-layer steel and wires is reduced by more than 50%, the cost is greatly reduced, and the cable is convenient to lay and maintain in later period;
4. compared with the traditional submarine optical cable, the submarine optical cable has the advantages that fewer metal materials are used, noise and vibration can be effectively reduced, the buckle type armor layer 3 has a flow guiding function, the reflection of sonar signals can be effectively reduced, and the shadow can be reduced by about 70% when the side-scan sonar is used for detecting;
5. compared with the traditional submarine optical cable, the bionic protection layer 6 woven by the polyester ribbon is additionally arranged on the outer layer, the polyester ribbon has good weather resistance and corrosion resistance, part of ribbon is reserved on the outer side, the bionic protection structure is formed by combining the polyester ribbon with submarine organisms for a long time, the bionic protection structure is integrated with the submarine environment, and the ribbon cable has excellent sonar resistance and higher reliability.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (6)
1. An anti-sonar submarine optical cable which is characterized in that: the seamless stainless steel optical unit cable core (1), the FRP strip S spiral armor layer (2) stranded along the seamless stainless steel optical unit cable core (1), the double-sided plastic-coated chromium-plated steel strip Z spiral buckle armor layer (3) reversely stranded along the FRP strip S spiral armor layer (2), the water-resisting layer (4), the HDPE water-resisting sheath layer (5) and the bionic protection layer (6) are sequentially arranged from inside to outside; the waterproof layer (4) is positioned between the FRP strip S spiral armor layer (2) and the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer (3), and is made of AB double-component glue; the bionic protective layer (6) is woven by polyester ribbons.
2. An anti-sonar submarine cable according to claim 1, wherein: the seamless stainless steel optical unit cable core (1) comprises a seamless stainless steel tube (11), a plurality of communication optical fibers (12) are contained in the seamless stainless steel tube (11), the communication optical fibers (12) are distributed in the form of SIN (sine), the residual length is 0.5% -0.6%, and hydrogen-absorbing and water-blocking fiber paste (13) is filled in the tube.
3. An anti-sonar submarine cable according to claim 1, wherein: the FRP strip S spiral armor layer (2) is a flat FRP glass fiber strip with the thickness of 0.12-0.25 mm, and the flat FRP glass fiber strip is stranded around the seamless stainless steel optical unit cable core (1) in a left-hand manner.
4. An anti-sonar submarine cable according to claim 1, wherein: the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor (3) is stranded on the outer side of the FRP strip S spiral armor (2) in the right direction, and the thickness is between 0.2 and 0.25 mm.
5. An anti-sonar submarine cable according to claim 1, wherein: the thickness of the HDPE waterproof sheath layer (5) is 2-3 mm.
6. A preparation method of an anti-sonar submarine optical cable is characterized by comprising the following steps: the method comprises the following steps:
step one, preparing a cable core: the seamless stainless steel optical unit cable core (1) is formed by adopting a SUS304 stainless steel belt with the thickness of 0.25-0.30 mm to be coiled and then laser welded into a seamless stainless steel pipe (11), the outer diameter of the seamless stainless steel pipe is about 2.7-5.0 mm, a plurality of communication optical fibers (12) are contained, the communication optical fibers (12) are distributed in the form of SIN (single fiber) in the seamless stainless steel pipe (11), the residual length is 0.5-0.6%, hydrogen-absorbing and water-blocking fiber paste (13) is filled in the pipe, and the filling rate is 85-90%;
step two, stranding the FRP strip S spiral armor layer (2): adopting 10-20 flat FRP glass fiber strips with the width of 1.5-2 mm and the thickness of 0.12-0.25 mm, and the twisting pitch of 60-80 mm, and using a spiral twisting cage with a back twisting function to twist the FRP glass fiber strips around the seamless stainless steel optical unit cable core (1) in a left-hand manner to form an FRP strip S spiral armor layer (2);
step three, twisting the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer (3): 6-12 double-sided plastic-coated chrome-plated steel belts with the width of 2.5-3 mm and the thickness of 0.2-0.25 mm are used, the steel belts are twisted right to the outside of the FRP belt by using a spiral twisting cage with a back twisting function, and the twisting pitch is 70-90 mm, so that a double-sided plastic-coated chrome-plated steel belt Z spiral buckle armor layer (3) is formed;
step four, filling a water-blocking layer (4): an AB double-component glue water-resisting layer (4) is filled between the FRP strip S spiral armor layer (2) and the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer (3);
step five, manufacturing a sheath layer (5): an HDPE waterproof sheath layer (5) with the thickness of 2.5-4.0 mm is extruded on the outer layer of the double-sided plastic-coated chromium-plated steel strip Z spiral buckle type armor layer (3), so that the compression resistance and the transverse water blocking performance of the cable are ensured;
step six, manufacturing a bionic protective layer (6): the HDPE waterproof sheath layer (5) is externally provided with a bionic protection layer (6) woven by polyester ribbons, the thickness of the polyester ribbons is 0.8-1 mm, part of the ribbons are reserved on the outer side, the final outer diameter is 10-15 mm, and the weight is 120-180 kg/km.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210306478.1A CN115128748B (en) | 2022-03-25 | 2022-03-25 | Sonar-resistant submarine optical cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210306478.1A CN115128748B (en) | 2022-03-25 | 2022-03-25 | Sonar-resistant submarine optical cable and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115128748A CN115128748A (en) | 2022-09-30 |
| CN115128748B true CN115128748B (en) | 2024-03-08 |
Family
ID=83376650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210306478.1A Active CN115128748B (en) | 2022-03-25 | 2022-03-25 | Sonar-resistant submarine optical cable and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115128748B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4676590A (en) * | 1984-04-19 | 1987-06-30 | Societa' Cavi Pirelli S.P.A. | Pressure resistant submarine optical fiber cable |
| US4690498A (en) * | 1984-04-19 | 1987-09-01 | Societa Cavi Pirelli S.P.A. | Pressure resistant submarine optical fiber cable |
| JP2006276606A (en) * | 2005-03-30 | 2006-10-12 | Occ Corp | Loose tube type submarine optical fiber cable |
| CN205722889U (en) * | 2016-05-09 | 2016-11-23 | 万达集团股份有限公司 | A kind of floating platform dynamic photoelectric composite sea cable |
| CN107907953A (en) * | 2017-12-14 | 2018-04-13 | 江苏亨通光电股份有限公司 | A kind of all dielectric self-supporting gunshot-proof optical cable and its manufacture craft |
| CN109411146A (en) * | 2018-12-10 | 2019-03-01 | 江苏通光海洋光电科技有限公司 | A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable |
| CN209471281U (en) * | 2019-03-11 | 2019-10-08 | 长飞光纤光缆股份有限公司 | A kind of deep-sea cable for listening system for water |
| CN111681810A (en) * | 2020-06-24 | 2020-09-18 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Flow guiding towing cable and manufacturing method thereof |
| WO2021027220A1 (en) * | 2019-08-15 | 2021-02-18 | 中天科技海缆股份有限公司 | Submarine photoelectric composite cable |
| CN113096874A (en) * | 2021-03-09 | 2021-07-09 | 安徽渡江电缆集团有限公司 | Watertight buoyancy type silicon rubber power cable with light armor |
| WO2021184770A1 (en) * | 2020-03-18 | 2021-09-23 | 江苏亨通海洋光网系统有限公司 | Multi-dimensional water- and hydrogen-blocking submarine optical cable, and forming process therefor |
-
2022
- 2022-03-25 CN CN202210306478.1A patent/CN115128748B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4676590A (en) * | 1984-04-19 | 1987-06-30 | Societa' Cavi Pirelli S.P.A. | Pressure resistant submarine optical fiber cable |
| US4690498A (en) * | 1984-04-19 | 1987-09-01 | Societa Cavi Pirelli S.P.A. | Pressure resistant submarine optical fiber cable |
| JP2006276606A (en) * | 2005-03-30 | 2006-10-12 | Occ Corp | Loose tube type submarine optical fiber cable |
| CN205722889U (en) * | 2016-05-09 | 2016-11-23 | 万达集团股份有限公司 | A kind of floating platform dynamic photoelectric composite sea cable |
| CN107907953A (en) * | 2017-12-14 | 2018-04-13 | 江苏亨通光电股份有限公司 | A kind of all dielectric self-supporting gunshot-proof optical cable and its manufacture craft |
| CN109411146A (en) * | 2018-12-10 | 2019-03-01 | 江苏通光海洋光电科技有限公司 | A kind of layer-twisted type bipolar DC power supply submarine optical fiber cable |
| CN209471281U (en) * | 2019-03-11 | 2019-10-08 | 长飞光纤光缆股份有限公司 | A kind of deep-sea cable for listening system for water |
| WO2021027220A1 (en) * | 2019-08-15 | 2021-02-18 | 中天科技海缆股份有限公司 | Submarine photoelectric composite cable |
| WO2021184770A1 (en) * | 2020-03-18 | 2021-09-23 | 江苏亨通海洋光网系统有限公司 | Multi-dimensional water- and hydrogen-blocking submarine optical cable, and forming process therefor |
| CN111681810A (en) * | 2020-06-24 | 2020-09-18 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Flow guiding towing cable and manufacturing method thereof |
| CN113096874A (en) * | 2021-03-09 | 2021-07-09 | 安徽渡江电缆集团有限公司 | Watertight buoyancy type silicon rubber power cable with light armor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115128748A (en) | 2022-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104851512B (en) | A kind of photoelectricity for hydrophone system is combined towrope | |
| CN204066874U (en) | A kind of novel photoelectric compound watertight towrope | |
| CN101241213A (en) | Deep sea optic cable and its manufacture method | |
| CN103456411B (en) | Watertight drag photoelectric composite cable and preparation method thereof | |
| CN104297875A (en) | Equipotential optical fiber unit for high-voltage photoelectric composite cable and manufacturing method thereof | |
| CN201156097Y (en) | Deep sea optical fiber | |
| CN105225753A (en) | A kind of skeleton photoelectricity compound towrope and manufacture method thereof | |
| CN105161207A (en) | Composite combined armored composite rosslinked polyethylene insulation steel band and steel wire fiber submarine cable | |
| CN101533136A (en) | Lightning protection layer stranded optical cable | |
| CN107179586B (en) | Large-core-number feed submarine optical cable | |
| CN205845541U (en) | A kind of ethylene propylene rubber insulated Optical Fiber Composite of environment-friendly type presses submarine cable | |
| CN115128748B (en) | Sonar-resistant submarine optical cable and preparation method thereof | |
| CN210015714U (en) | High-strength composite cable for underwater robot | |
| CN201788750U (en) | Optical fiber composite electric power cable with optical unit wrapt with fiber reinforced plastics (FRP) longitudinally | |
| CN203503365U (en) | Watertight tow photoelectric composite cable | |
| CN206741946U (en) | A kind of marine streamer | |
| CN214375430U (en) | Layer stranded submarine cable optical unit | |
| CN213277505U (en) | Double-layer armored three-core ocean cable | |
| CN213123817U (en) | Flow guiding towing cable | |
| CN2528033Y (en) | Shallow water cable | |
| CN210223625U (en) | Floating transmission power cable for offshore | |
| CN211698304U (en) | High-strength underwater central tube type optical cable | |
| CN206975277U (en) | A kind of flame-proof cable | |
| CN2525544Y (en) | High strength steel wire armoured ocean optical cable | |
| CN204463871U (en) | A kind of bathyscaphe is with without tired combination cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240410 Address after: No. 1 Huayuan Road, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province, 214200 Patentee after: Far East Communications Ltd. Country or region after: China Patentee after: Far East Submarine Cable Co.,Ltd. Address before: No.1, Huayuan Road, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Patentee before: Far East Communications Ltd. Country or region before: China |