CN202383340U - Multilayer structure of optical cable - Google Patents
Multilayer structure of optical cable Download PDFInfo
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- CN202383340U CN202383340U CN2011205607309U CN201120560730U CN202383340U CN 202383340 U CN202383340 U CN 202383340U CN 2011205607309 U CN2011205607309 U CN 2011205607309U CN 201120560730 U CN201120560730 U CN 201120560730U CN 202383340 U CN202383340 U CN 202383340U
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Abstract
The utility model discloses a multilayer structure of an optical cable, which relates to an optical cable, and comprises an outer pressure-bearing pipe 1, an inner surrounding pipe 3 and optical fibers 4. The multilayer structure of the optical cable is characterized by further comprising a hydrogen absorption layer 5 and a hydrogen resisting layer 2, the optical cable comprises the outer pressure-bearing pipe 1, the hydrogen resisting layer 2, the inner surrounding pipe 3, the hydrogen absorption layer 5 and the optical fibers 4 sequentially from outside to inside, the hydrogen absorption layer 5 is positioned between the optical fibers 4 and the inner surrounding pipe 3, the hydrogen resisting layer 2 is positioned between the inner surrounding pipe 3 and the outer pressure-bearing pipe 1, and the wall of the inner surrounding pipe 3 and the wall of the outer pressure-bearing pipe 1 are hermetic. The multilayer structure of the optical cable has the advantages that time of hydrogen atoms reaching the optical fibers is greatly prolonged by means of a double-layer hydrogen resisting structure, so that the service life of the whole optical cable is greatly prolonged; the multilayer structure is capable of meeting use requirements of the optical cable in the perpendicular state; and the optical fibers are mechanically protected so that pressure bearing and corrosion resistance are achieved.
Description
Technical field
The utility model relates to a kind of optical cable, and a kind of specifically can have the corrosivity of preventing and double-deck resistance hydrogen structure, the particularly sandwich construction of optical cable.
Background technology
In recent years, optical fiber technology is in the various fields widespread use, and this is because with respect to the operating position of former electronic conductor, and optical fiber has very big raising on information transmission, the quality of reception and transmission speed.Along with the application development of Fibre Optical Sensor in the exploitation of petroleum gas, need a kind of optical cable that can bear with the identical condition of work of Fibre Optical Sensor, be used for the downhole optic fiber sensor is connected with aboveground instrument.
The condition of down-hole is very harsh, and for example HTHP vibrates, corrosive fluid etc., and under the independent or common effect of these condition, optical fiber is easy to impaired, causes the inefficacy in advance of using at other field with respect to optical fiber.After acting on the optical fiber, hydrogen ion in the fiber work environment can cause the increase of fiber transmission attenuation; The outer hydrogen ion of optical cable also can penetrate into optical cable and make optical fiber produce hydrogen loss in addition; And optical cable itself also maybe be because the degraded of polymkeric substance in the material; Effects such as electrochemical metal corrosion produce the hydrogen that optical fiber is caused damage separately or jointly, so the damage that needs minimizing or avoid optical fiber to cause with contacting of hydrogen environment.Down-hole application requires the length of optical cable to arrive and goes up km or longer, so also need prevent the optical fiber damage that displacement causes in optical cable and distortion and because the tension to itself that long its deadweight of fiber lengths causes when preserving, handling and laying optical cable.
Summary of the invention
The purpose of the utility model provides a kind of sandwich construction of optical cable, and this structure increases the serviceable life of whole optical cable for double-deck resistance hydrogen structure prolongs the time that hydrogen atom arrives optical fiber greatly greatly; This structure can satisfy the request for utilization under the optical cable plumbness.For optical fiber provides mechanical protection, have pressure-bearing and corrosion-resistant effect.
According to the utility model a kind of sandwich construction of optical cable is provided, has comprised: the pressure-bearing outer tube, around interior pipe and optical fiber; It is characterized in that this optical cable also comprises: inhale hydrogen layer and resistance hydrogen layer, wherein: this optical cable is followed successively by the pressure-bearing outer tube from outside to inside, resistance hydrogen layer; Around interior pipe, inhale hydrogen layer and optical fiber; Said suction hydrogen layer is at optical fiber and between around interior pipe, and said resistance hydrogen layer is between around interior pipe and pressure-bearing outer tube; Said tube wall around interior pipe is the sealing shape, and the tube wall of pressure-bearing outer tube is the sealing shape.
Wherein, said around the diameter of inner pipe scope at 0.5mm-20mm.
Wherein, said pressure-bearing outer tube diameter scope is at 1mm-25mm.
Wherein, said optical fiber can be for single or many, and wherein the quantitative range of optical fiber is at the 1-50 root.
Wherein, said pressure-bearing outer tube can be sandwich construction or single layer structure.
Wherein, said suction hydrogen layer has certain viscosity, attached to said around on interior pipe and the optical fiber outside surface and fill space between the two.
What wherein, said resistance hydrogen layer can be in nonmetallic materials layer, metal material layer and the layers of metal oxide materials is a kind of.
What wherein, said resistance hydrogen layer can be in elastomeric material layer, plastic material layer, nickel-bass alloy material layer, ferrous alloy material layer, magnesium base alloy material layer, resin material layer, CNT, material with carbon element layer, lithium borohydride material layer, magnesium hydride material layer, graphite material layer, the mica material layer is a kind of.
What wherein, said resistance hydrogen layer can be in carbon steel material layer, the stainless steel bed of material, the alloy steel products bed of material, cast iron materials layer, titanium material layer, the molybdenum materials bed of material, the copper material bed of material, chromium material layer, nickel material layer, magnesium material layer, the aluminium bed of material, Zinc material layer, the tin material layer is a kind of.
What wherein, said resistance hydrogen layer can be in iron oxide, sodium oxide molybdena, titania meterial layer, molybdena material layer, copper oxide material layer, chromium oxide material layer, nickel oxide material layer, magnesium oxide material layer, alumina material layer, zinc oxide material layer, stannic oxide materials layer, the baryta material layer is a kind of.
Wherein, said resistance hydrogen layer can relatively move between interior pipe and pressure-bearing outer tube by limit collar.
The superiority of the utility model is: compared with prior art, this structure increases the serviceable life of whole optical cable for double-deck resistance hydrogen structure prolongs the time that hydrogen atom arrives optical fiber greatly greatly; This structure can satisfy the request for utilization under the optical cable plumbness.For optical fiber provides mechanical protection, have pressure-bearing and corrosion-resistant effect.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the sandwich construction of optical cable in the utility model;
Fig. 2 is the cross-sectional view of sandwich construction of the optical cable of the utility model.
Description of reference numerals: 1-pressure-bearing outer tube; 2-resistance hydrogen layer; 3-is around interior pipe; 4-optical fiber; 5-inhales the hydrogen layer.
Embodiment
Be elaborated below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that following illustrated preferred embodiment only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 0.5mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 1mm.
During practical implementation, said optical fiber 4 is single.
During practical implementation, said pressure-bearing outer tube 1 is a 3-tier architecture.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe 3 and optical fiber 4 outside surfaces and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the molybdenum materials bed of material.Its manufacture craft is: its manufacture craft is: the alloy steel products bed of material.To carry out shot blast around the outside surface of interior pipe earlier, the ethanolic solution with 95% after shot blast finishes carries out the impurity cleaning to bead blasted surfaces.Select for use purity at the molybdenum more than 96%; It is dissolved in high temperature furnace; In the process of dissolving with inert gas as blanket gas, dissolve the back and it be uniformly coated on around inner tube outer surface through mould, in the process of coating, need the control decrease of temperature to be not more than 8 ℃/min and drop to 360 ℃ up to temperature; Insulation was 1 hour when temperature arrived 360 ℃; Cooling rate becomes 17 ℃/min afterwards, when temperature arrives 110 ℃, in air, cool off until room temperature, in the process of above whole cooling with inert gas as blanket gas.After cooling to room temperature, at the red fuming nitric acid (RFNA) more than 70% molybdenum is carried out surface treatment with concentration, the processing time is 4.5 minutes.With using chromatedsolution (2.5 grams per liters add 1.8 gram phosphoric acid) at 83 degrees centigrade Passivation Treatment to be carried out on the molybdenum surface after the completion of molybdenum surface clean again, soaking disputes took out in 9 minutes, washed.Above washing accomplish the back and carry out the coating and the Passivation Treatment of one deck again according to top operation, wash machining this resistance hydrogen layer after the washing completion after the Passivation Treatment.
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 20mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 25mm.
During practical implementation, said optical fiber 4 is many, and wherein the quantity of optical fiber is 20.
During practical implementation, said pressure-bearing outer tube 1 is a single layer structure.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe and the optical fiber outside surface and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the magnesium material layer.Its manufacture craft is: its manufacture craft is: the alloy steel products bed of material.To carry out shot blast around the outside surface of interior pipe earlier, the ethanolic solution with 90% after shot blast finishes carries out the impurity cleaning to bead blasted surfaces.Select for use purity at the magnesium more than 85%; It is dissolved in high temperature furnace; In the process of dissolving with inert gas as blanket gas, dissolve the back and it be uniformly coated on around inner tube outer surface through mould, in the process of coating, need the control decrease of temperature to be not more than 7 ℃/min and drop to 350 ℃ up to temperature; Insulation was 1.2 hours when temperature arrived 350 ℃; Cooling rate becomes 16 ℃/min afterwards, when temperature arrives 100 ℃, in air, cool off until room temperature, in the process of above whole cooling with inert gas as blanket gas.After cooling to room temperature, at the red fuming nitric acid (RFNA) more than 72% magnesium is carried out surface treatment with concentration, the processing time is 6 minutes.With using chromatedsolution (3 grams per liters add 1.5 gram phosphoric acid) at 90 degrees centigrade magnesium surface to be carried out Passivation Treatment after the magnesium surface cleaning completion again, soaking disputes took out in 10 minutes, washed.Above washing accomplish the back and carry out the coating and the Passivation Treatment of one deck again according to top operation, wash machining this resistance hydrogen layer after the washing completion after the Passivation Treatment.
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 12mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 16mm.
During practical implementation, said optical fiber 4 is many, and wherein the quantity of optical fiber is 18.
During practical implementation, said pressure-bearing outer tube 1 is a single layer structure.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe and the optical fiber outside surface and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the mica material layer.Its manufacture craft is: adopt the mode of electrostatic spraying to make it cover the outside surface around interior pipe carbon dust earlier; Wherein the granularity 95nm of carbon dust is heated to 120 ℃ after the coating completion, keeps 1 hour; Mica particles is dissolved; Dissolve accomplish the back through mould make its be uniformly coated on electrostatic spraying cross carbon dust around outside the interior pipe, when mica solidifies the back its outside surface is carried out shot blast, shot blast finishes afterwards and with 85% ethanolic solution bead blasted surfaces to be carried out impurity and clear up.The ethanolic solution of carbon dust and 75% is evenly allocated; Mass ratio between the two is 1: 2, and the granularity 55nm of carbon dust will allocate good carbon jelly and be uniformly coated on outside the mica through mould within 40min after allotment is accomplished; After accomplishing, coating under 125 ℃ of constant temperatures, solidified 2 hours; In the process of solidifying, add inert gas and protect, solidify and cool to 90 ℃ with 5.2 ℃-6.1 ℃ speed per hour after accomplishing, and then be cooled to room temperature with 4.9 ℃ speed per hour.
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 8mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 10mm.
During practical implementation, said optical fiber 4 is many, and wherein the quantity of optical fiber is 52.
During practical implementation, said pressure-bearing outer tube 1 is 4 layers of structure.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe and the optical fiber outside surface and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is a plastic material layer.The manufacture craft of this resistance hydrogen layer 2 is: adopt the mode of electrostatic spraying to make it cover the outside surface around interior pipe carbon dust earlier; Wherein the granularity 85nm of carbon dust is heated to 117 ℃ after the coating completion, keeps 1 hour; Plastic grain is dissolved; Dissolve accomplish the back through mould make its be uniformly coated on electrostatic spraying cross carbon dust around outside the interior pipe, behind plastics solidification, its outside surface is carried out shot blast, the shot blast back that finishes is carried out impurity with 95% ethanolic solution to bead blasted surfaces and is cleared up.The ethanolic solution of carbon dust and 70% is evenly allocated; Mass ratio between the two is 1: 2.4, and the granularity 55nm of carbon dust will allocate good carbon jelly and be uniformly coated on outside the plastics through mould within 30min after allotment is accomplished; After accomplishing, coating under 140 ℃ of constant temperatures, solidified 2 hours; In the process of solidifying, add inert gas and protect, solidify and cool to 90 ℃ with 6.8 ℃ speed per hour after accomplishing, and then be cooled to room temperature with 4.7 ℃ speed per hour.
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 1mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 1.5mm.
During practical implementation, said optical fiber 4 is single.
During practical implementation, said pressure-bearing outer tube 1 is a single layer structure.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe and the optical fiber outside surface and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the cast iron materials layer.Its manufacture craft is: its manufacture craft is: the alloy steel products bed of material.To carry out shot blast around the outside surface of interior pipe earlier, the ethanolic solution with 95% after shot blast finishes carries out the impurity cleaning to bead blasted surfaces.Select for use purity at the cast iron more than 96%; It is dissolved in high temperature furnace; In the process of dissolving with inert gas as blanket gas, dissolve the back and it be uniformly coated on around inner tube outer surface through mould, in the process of coating, need the control decrease of temperature to be not more than 7.2 ℃/min and drop to 350 ℃ up to temperature; Insulation was 0.85 hour when temperature arrived 350 ℃; Cooling rate becomes 19 ℃/min afterwards, when temperature arrives 115 ℃, in air, cool off until room temperature, in the process of above whole cooling with inert gas as blanket gas.After cooling to room temperature, at the red fuming nitric acid (RFNA) more than 70% cast iron is carried out surface treatment with concentration, the processing time is 6 minutes.With using chromatedsolution (2 grams per liters add 2 gram phosphoric acid) at 85 degrees centigrade Cast Iron Surface to be carried out Passivation Treatment after the Cast Iron Surface cleaning completion again, soaking disputes took out in 8 minutes, washed.Above washing accomplish the back and carry out the coating and the Passivation Treatment of one deck again according to top operation, wash machining this resistance hydrogen layer after the washing completion after the Passivation Treatment.
Embodiment 6, and Fig. 2 has shown the cross-sectional view of sandwich construction of the optical cable of the utility model, and Fig. 1 has shown the one-piece construction synoptic diagram of the sandwich construction of optical cable in this utility model;
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 3.5mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 3.9mm.
During practical implementation, said optical fiber 4 is many, and wherein the quantity of optical fiber is 6.
During practical implementation, said pressure-bearing outer tube 1 is 2 layers of structure.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe and the optical fiber outside surface and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the cloud lithium borohydride bed of material.The manufacture craft of this resistance hydrogen layer 2 is: adopt the mode of electrostatic spraying to make it cover the outside surface around interior pipe carbon dust earlier; Wherein the granularity of carbon dust is at 85nm; Coating is heated to 115 ℃ after accomplishing; Kept 1.5 hours, the lithium borohydride particle dissolved, dissolve after accomplishing through mould make its be uniformly coated on electrostatic spraying cross carbon dust around outside the interior pipe; After lithium borohydride solidifies, its outside surface is carried out shot blast, the ethanolic solution with 90% after shot blast finishes carries out the impurity cleaning to bead blasted surfaces.The ethanolic solution of carbon dust and 75% is evenly allocated; Mass ratio between the two is 1: 3.6, and the granularity of carbon dust will be allocated good carbon jelly and be uniformly coated on outside the lithium borohydride through mould at 40nm within 25min after allotment is accomplished; After accomplishing, coating under 135 ℃ of constant temperatures, solidified 1.5 hours; In the process of solidifying, add inert gas and protect, solidify and cool to 90 ℃ with 6.2 ℃ speed per hour after accomplishing, and then be cooled to room temperature with 4.7 ℃ speed per hour.
Embodiment 7, and Fig. 2 has shown the cross-sectional view of sandwich construction of the optical cable of the utility model, and Fig. 1 has shown the one-piece construction synoptic diagram of the sandwich construction of optical cable in this utility model;
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 0.5mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 1mm.
During practical implementation, said optical fiber 4 is single.
During practical implementation, said pressure-bearing outer tube 1 is a 3-tier architecture.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe 3 and optical fiber 4 outside surfaces and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the nickel oxide material layer.The manufacture craft of this resistance hydrogen layer 2 is: will carry out shot blast around the outside surface of interior pipe earlier, the ethanolic solution with 95% after shot blast finishes carries out the impurity cleaning to bead blasted surfaces.Select for use purity at the nickel oxide more than 78%; It is dissolved in high temperature furnace; In the process of dissolving with inert gas as blanket gas, dissolve the back and it be uniformly coated on around inner tube outer surface through mould, in the process of coating, need the control decrease of temperature to be not more than 4 ℃/min and drop to 570 ℃ up to temperature; Insulation was 2 hours when temperature arrived 570 ℃; Cooling rate becomes 9 ℃/min afterwards, when temperature arrives 170 ℃, in air, cool off until room temperature, in the process of above whole cooling with inert gas as blanket gas.After cooling to room temperature, at the red fuming nitric acid (RFNA) more than 70% nickel oxide is carried out surface treatment with concentration, the processing time is 4 minutes.With using chromatedsolution (2/ liter adds 1 gram phosphoric acid) at 80 degrees centigrade nickel oxide surfaces to be carried out Passivation Treatment after the nickel oxide surfaces cleaning completion again, soaking disputes took out in 7 minutes, washed.Above washing accomplish the back and carry out the coating and the Passivation Treatment of one deck again according to top operation, wash machining this resistance hydrogen layer after the washing completion after the Passivation Treatment.
Embodiment 8, and Fig. 2 has shown the cross-sectional view of sandwich construction of the optical cable of the utility model, and Fig. 1 has shown the one-piece construction synoptic diagram of the sandwich construction of optical cable in this utility model;
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 0.5mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 1mm.
During practical implementation, said optical fiber 4 is single.
During practical implementation, said pressure-bearing outer tube 1 is a 3-tier architecture.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe 3 and optical fiber 4 outside surfaces and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the molybdena material layer.The manufacture craft of this resistance hydrogen layer 2 is: will carry out shot blast around the outside surface of interior pipe earlier, the ethanolic solution with 90% after shot blast finishes carries out the impurity cleaning to bead blasted surfaces.Select for use purity at the molybdena more than 75%; It is dissolved in high temperature furnace; In the process of dissolving with inert gas as blanket gas, dissolve the back and it be uniformly coated on around inner tube outer surface through mould, in the process of coating, need the control decrease of temperature to be not more than 4.5 ℃/min and drop to 550 ℃ up to temperature; Insulation was 1.5 hours when temperature arrived 550 ℃; Cooling rate becomes 8 ℃/min afterwards, when temperature arrives 160 ℃, in air, cool off until room temperature, in the process of above whole cooling with inert gas as blanket gas.After cooling to room temperature, at the red fuming nitric acid (RFNA) more than 75% molybdena is carried out surface treatment with concentration, the processing time is 5 minutes.With using chromatedsolution (4 grams per liters add 2 gram phosphoric acid) at 80-90 degree centigrade nickel oxide surfaces to be carried out Passivation Treatment after the completion of molybdena surface clean again, soaking disputes took out in 9 minutes, washed.Above washing accomplish the back and carry out the coating and the Passivation Treatment of one deck again according to top operation, wash machining this resistance hydrogen layer after the washing completion after the Passivation Treatment.
Embodiment 9, and Fig. 2 has shown the cross-sectional view of sandwich construction of the optical cable of the utility model, and Fig. 1 has shown the one-piece construction synoptic diagram of the sandwich construction of optical cable in this utility model;
As depicted in figs. 1 and 2, the sandwich construction of a kind of optical cable of the utility model comprises: pressure-bearing outer tube 1; Around interior pipe 3 and optical fiber 4; It is characterized in that this optical cable also comprises: inhale hydrogen layer 5 and resistance hydrogen layer 2, wherein: this optical cable is followed successively by pressure-bearing outer tube 1 from outside to inside, resistance hydrogen layer 2; Around interior pipe 3, inhale hydrogen layer 5 and optical fiber 4; Said suction hydrogen layer 5 at optical fiber 4 and around interior pipe 3 between, said resistance hydrogen layer 2 is between around interior pipe 3 and pressure-bearing outer tube 1; Said tube wall around interior pipe 3 is the sealing shape, and the tube wall of pressure-bearing outer tube 1 is the sealing shape.
During practical implementation, said is 0.5mm around interior pipe 3 diameters.
During practical implementation, said pressure-bearing outer tube 1 diameter is 1mm.
During practical implementation, said optical fiber 4 is single.
During practical implementation, said pressure-bearing outer tube 1 is a 3-tier architecture.
During practical implementation, said suction hydrogen layer 5 has certain viscosity, attached to said around on interior pipe 3 and optical fiber 4 outside surfaces and fill space between the two.
During practical implementation, said resistance hydrogen layer 2 is the magnesium hydride material layer.The manufacture craft of this resistance hydrogen layer 2 is: adopt the mode of electrostatic spraying to make it cover the outside surface around interior pipe carbon dust earlier; Wherein the granularity of carbon dust is at 85nm; Coating is heated to 124 ℃ after accomplishing; Kept 1 hour, the magnesium hydride particle dissolved, dissolve after accomplishing through mould make its be uniformly coated on electrostatic spraying cross carbon dust around outside the interior pipe; After magnesium hydride solidifies, its outside surface is carried out shot blast, the ethanolic solution with 95% after shot blast finishes carries out the impurity cleaning to bead blasted surfaces.The ethanolic solution of carbon dust and 70% is evenly allocated; Mass ratio between the two is 1: 2.4, and the granularity of carbon dust will be allocated good carbon jelly and be uniformly coated on outside the magnesium hydride through mould at 45nm within 30min after allotment is accomplished; After accomplishing, coating under 140 ℃ of constant temperatures, solidified 2 hours; In the process of solidifying, add inert gas and protect, solidify and cool to 90 ℃ with 6.8 ℃ speed per hour after accomplishing, and then be cooled to room temperature with 4.5 ℃ speed per hour.
The superiority of the utility model is: compared with prior art, this structure increases the serviceable life of whole optical cable for double-deck resistance hydrogen structure prolongs the time that hydrogen atom arrives optical fiber greatly greatly; This structure can satisfy the request for utilization under the optical cable plumbness.For optical fiber provides mechanical protection, have pressure-bearing and corrosion-resistant effect.
Although preceding text specify the utility model, the utility model is not limited thereto, and those skilled in the art of the present technique can carry out various modifications according to the principle of the utility model.Therefore, all modifications of being done according to the utility model principle all are to be understood that to falling into the protection domain of the utility model.
Claims (10)
1. the sandwich construction of an optical cable, comprising: the pressure-bearing outer tube around interior pipe and optical fiber, is characterized in that this optical cable also comprises: inhale hydrogen layer and resistance hydrogen layer, wherein: this optical cable is followed successively by the pressure-bearing outer tube from outside to inside, and resistance hydrogen layer around interior pipe, is inhaled hydrogen layer and optical fiber; Said suction hydrogen layer is at optical fiber and between around interior pipe, and said resistance hydrogen layer is between around interior pipe and pressure-bearing outer tube; Said tube wall around interior pipe is the sealing shape, and the tube wall of pressure-bearing outer tube is the sealing shape.
2. the sandwich construction of a kind of optical cable according to claim 1 is characterized in that: said around the diameter of inner pipe scope at 0.5mm-20mm; Said pressure-bearing outer tube diameter scope is at 1mm-25mm.
3. the sandwich construction of a kind of optical cable according to claim 1 is characterized in that: said optical fiber can be for single or many, and wherein the quantitative range of optical fiber is at the 1-50 root.
4. the sandwich construction of a kind of optical cable according to claim 1, it is characterized in that: said pressure-bearing outer tube can be sandwich construction or single layer structure.
5. the sandwich construction of a kind of optical cable according to claim 1, it is characterized in that: said suction hydrogen layer has certain viscosity, attached to said around on interior pipe and the optical fiber outside surface and fill space between the two.
6. the sandwich construction of a kind of optical cable according to claim 1 is characterized in that: what said resistance hydrogen layer can be in nonmetallic materials layer, metal material layer and the layers of metal oxide materials is a kind of.
7. the sandwich construction of a kind of optical cable according to claim 6 is characterized in that: what said resistance hydrogen layer can be in elastomeric material layer, plastic material layer, nickel-bass alloy material layer, ferrous alloy material layer, magnesium base alloy material layer, resin material layer, CNT, material with carbon element layer, lithium borohydride material layer, magnesium hydride material layer, graphite material layer, the mica material layer is a kind of.
8. the sandwich construction of a kind of optical cable according to claim 6 is characterized in that: what said resistance hydrogen layer can be in carbon steel material layer, the stainless steel bed of material, the alloy steel products bed of material, cast iron materials layer, titanium material layer, the molybdenum materials bed of material, the copper material bed of material, chromium material layer, nickel material layer, magnesium material layer, the aluminium bed of material, Zinc material layer, the tin material layer is a kind of.
9. the sandwich construction of a kind of optical cable according to claim 6 is characterized in that: what said resistance hydrogen layer can be in iron oxide, sodium oxide molybdena, titania meterial layer, molybdena material layer, copper oxide material layer, chromium oxide material layer, nickel oxide material layer, magnesium oxide material layer, alumina material layer, zinc oxide material layer, stannic oxide materials layer, the baryta material layer is a kind of.
10. the sandwich construction of a kind of optical cable according to claim 7, it is characterized in that: said resistance hydrogen layer can relatively move between interior pipe and pressure-bearing outer tube by limit collar.
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| CN2011205607309U CN202383340U (en) | 2011-12-29 | 2011-12-29 | Multilayer structure of optical cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472549A (en) * | 2013-09-05 | 2013-12-25 | 北京亨通斯博通讯科技有限公司 | Hydrogen-resistant optical cable |
| CN107287569A (en) * | 2017-06-06 | 2017-10-24 | 沈阳工程学院 | A kind of optical cable and preparation method thereof |
| CN108165991A (en) * | 2018-01-12 | 2018-06-15 | 清华大学 | Chromium carbide dispersion oxidation chromium/alumina composite hydrogen resistance coating material and preparation method |
-
2011
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472549A (en) * | 2013-09-05 | 2013-12-25 | 北京亨通斯博通讯科技有限公司 | Hydrogen-resistant optical cable |
| CN107287569A (en) * | 2017-06-06 | 2017-10-24 | 沈阳工程学院 | A kind of optical cable and preparation method thereof |
| CN107287569B (en) * | 2017-06-06 | 2019-11-05 | 沈阳工程学院 | A kind of optical cable and preparation method thereof |
| CN108165991A (en) * | 2018-01-12 | 2018-06-15 | 清华大学 | Chromium carbide dispersion oxidation chromium/alumina composite hydrogen resistance coating material and preparation method |
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