CN103779020A - Composite cable used for offshore oil platform - Google Patents
Composite cable used for offshore oil platform Download PDFInfo
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- CN103779020A CN103779020A CN201410024248.1A CN201410024248A CN103779020A CN 103779020 A CN103779020 A CN 103779020A CN 201410024248 A CN201410024248 A CN 201410024248A CN 103779020 A CN103779020 A CN 103779020A
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Abstract
The invention discloses a composite cable used for an offshore oil platform. The composite cable is characterized in that the composite cable comprises main cable cores, outdoor cable bodies used for communication, a wrapping belt, an inner protection sleeve, an armor layer and an outer protection sleeve. The number of the main cable cores is three. Each main cable core is sequentially provided with a conductor, a conductor shielding layer, an insulating layer, an insulating nonmetal shielding layer and an insulating metal shielding layer from inside to outside in the radial direction of the main cable core, wherein the conductor shielding layer, the insulating layer and the insulating nonmetal shielding layer is wrapped on the conductor in a three-layer co-extrusion mode. Each insulating metal shielding layer is wrapped on the corresponding insulating nonmetal shielding layer. The number of the outdoor optical fiber bodies is three. The wrapping belt is wrapped on the main cable cores and the outdoor optical fiber bodies used for communication, wherein the main cable cores and the outdoor optical fiber bodies used for communication are stranded together. The inner protection sleeve is arranged on the periphery of the wrapping layer in a co-extrusion mode. The armor layer is located outside the inner protection sleeve. The outer protection sleeve is wrapped on the armor layer.
Description
Technical field
The present invention relates to a kind of offshore oil platform composite cable.
Background technology
In recent years, along with the development of sea floor optoelectronic composite cable, offshore oil platform electricity consumption can first transmit from land by submarine fiber cable, to platform, come and then change and supply with each system applies by transformer with electric power Splices cable through marine electric installation again, the shortcoming that has solved that the energy resource consumption of in the past leaning on generating set to generate electricity to bring is large, noise is large, space used is large etc.But at present the electric pressure of the conventional sea floor optoelectronic composite cable of China is 35kV, therefore needs the marine electric installation power cable of electric pressure coupling therewith to connect.And current marine electric installation in the world adopts the standard of IEC 60092-354 with electric power cable standard, the highest voltage level of this standard is 18/30kV, at present in the world also without the electric pressure of 26/35kV, cannot select with the marine electric installation power cable of sea floor optoelectronic composite cable electric pressure coupling and be connected, so each large shipyard can only select the land system power cable of 26/35kV to replace use, and the land of this electric pressure with system power cable adopt be crosslinked polyetylene insulated, cross-linking polyethylene materials is in the time having moisture to immerse, under electric field action, can form water tree discharges, insulating barrier easily punctures, poor reliability, life-span is short, to often change, maintenance and repair cost price is too large.
Common photoelectric compound cable in the market, is mainly used in low voltage power transmission system, and light harvesting fibre and power transmission cable are integrated, and solves device signal transmission and electrical problem simultaneously, and in optical cable, compound cable conductor is no more than 6 square millimeters.On offshore oil platform, be 16 square millimeters of above medium and high voltage cable with the cross-sectional area of conductor of cable at present, for connecting the voltage of 35kV electric pressure, medium and high voltage cable circuit is the critical infrastructures of electric power system power delivery, its fail safe is most important, need to monitor cable running status.
Summary of the invention
The object of this invention is to provide the offshore oil platform composite cable that can mate with submarine fiber cable electric pressure of a kind of simple in structure, good reliability, long service life.
The basic technical scheme of realizing the object of the invention is: a kind of offshore oil platform composite cable, its design feature is: comprise master core, outdoor optical cable for communication, twining package tape, inner sheath, armour and oversheath.Master core has 3.Each master core all along its separately be radially provided with successively from inside to outside conductor, conductor shield, insulating barrier, insulated non-metal screen and insulated metal screen.The three-layer co-extruded outside that is coated on conductor of conductor shield, insulating barrier and insulated non-metal screen.Insulated metal screen is wrapped outside insulated non-metal screen.
Outdoor optical cable for communication has 3.3 master cores are along circumferentially uniformly-spaced angle setting of power cable.3 outdoor optical cable for communications, along circumferentially uniformly-spaced angle setting of power cable, contact with corresponding adjacent master core.3 master cores and 3 outdoor optical cable for communications adopt concentric type twisted synthesizing cable, and laying up pitch is 25 to 35 times of power cable external diameter.The wrapped master core twisting together of twining package tape and the outside of outdoor optical cable for communication, the wrapped rate of putting up is 20% to 50%.
Twining package tape periphery is extruded with inner sheath.Tinned copper wire or zinc-coated wire braiding that armour is 0.3mm or 0.4mm by diameter form, and are positioned at the outside of inner sheath, and its percentage of braiding coverage is 90% to 98%.
Oversheath is made by the Halogen thermosetting of resistance to mud polyolefin, and oversheath is coated on the outside of armour, and the thickness of oversheath is 1.48 millimeters to 3 millimeters.
Take above-mentioned basic technical scheme as basic technical scheme be: conductor is identical by 6 or 12 or 15 or 18 or 30 filament diameters, the forming copper wire or stranded pressing of plating copper wire of 50 to 185 square millimeters of nominal crosss.
Take above-mentioned basic technical scheme as basic technical scheme be: described conductor shield is by making by vulcanization type semiconductive material, and the thickness of conductor shield is 0.35 millimeter to 0.9 millimeter.
Take above-mentioned basic technical scheme as basic technical scheme be: described insulating barrier is made up of ethylene-propylene rubber material.
Take above-mentioned basic technical scheme as basic technical scheme be: described insulated non-metal screen is by making by vulcanization type semiconductive material.
Take above-mentioned basic technical scheme as basic technical scheme be: insulated metal screen adopts bare copper strip wrapped outside insulated non-metal screen, and the thickness of bare copper strip is 0.1mm or 0.12mm, puts up rate 10% to 15%.
Take above-mentioned each appropriate technical solution as basic technical scheme be: the cross section of described outdoor optical cable for communication is as circular or fan-shaped.
Take above-mentioned each appropriate technical solution as basic technical scheme be: twining package tape is LSOH anti-flaming strap, and the thickness of twining package tape is 0.2 ± 0.02 millimeter.
Take above-mentioned appropriate technical solution as basic technical scheme be: twining package tape is LSOH anti-flaming strap, and the thickness of twining package tape is 0.2 ± 0.02 millimeter.
The present invention has positive effect: (1) offshore oil platform of the present invention has been filled up the blank of the marine electric installation use power cable that sea floor optoelectronic composite cable that not have specially be at present 35kV with electric pressure mates with composite cable, be ground-breaking invention.
(2) offshore oil platform of the present invention forms with the identical copper wire of the conductor multifilament diameter of the master core of composite cable or stranded pressing of plating copper wire, can reduce conductive surface gap, prevents that the material of conductor shield is absorbed in conductor.Conductor shield (internal shield), insulating barrier and insulated non-metal screen (outer shielding layer) adopt the three-layer co-extruded outside that is coated on conductor, bonding tightness between insulating barrier and interior outer shielding layer and the smoothness of superficial layer are guaranteed, reduce the partial discharge phenomenon producing because of gap, greatly improved the useful life of product.
(3) offshore oil platform of the present invention adopts with the insulating barrier of composite cable the ethylene-propylene rubber macromolecular material that voltage withstand class is 35kV, the tensile strength that has guaranteed insulating barrier is not less than 5MPa, elongation at break is not less than 200%, in watertight aircase, carry out that aging (temperature is 135 ℃ ± 3 ℃, time is 168h), tensile strength retention rate is not less than 80% of former tensile strength, and elongation at break is not less than 80% of former elongation at break; Conductor shield is selected to make by vulcanization type semiconductive material, has guaranteed that the tensile strength of conductor shield is not less than 15MPa, and elongation at break is not less than 200%, 90 ℃ of specific insulation and is not less than 200 ohmcms; Insulated non-metal screen is selected to make by vulcanization type semiconductive material, has guaranteed that the tensile strength of insulated non-metal screen is not less than 13MPa, and elongation at break is not less than 350%, 90 ℃ of specific insulation and is not less than 50 ohmcms.
(4) composite cable partial discharge test satisfied 1.73 after testing for offshore oil platform of the present invention
u 0under, partial discharge quantity is less than 5Pc, and power-frequency voltage is tested 3.5
u 0lower 5min does not puncture, and properties of product are reliable.
(5) offshore oil platform of the present invention with composite cable in the time that master core and outdoor optical cable for communication all have 3, outdoor optical cable for communication also plays certain filling effect, facilitate stranding operation, be conducive to cable and deflecting the stable of process center line cored structure, the uniformity that core is stressed, makes power cable consolidation, the rounding more after stranding.
(6) offshore oil platform of the present invention is made up of the Halogen thermosetting of resistance to mud polyolefin with the oversheath of composite cable, has good resistance to mud and anti-seawater corrosion performance.
(7) offshore oil platform of the present invention increases outdoor optical cable for communication in cable with composite cable, the residing temperature field of outdoor optical cable for communication that adopts distributed optical fiber temperature sensor technology to measure in real time in cable distributes, the actual motion temperature of detection that not only can be intelligent and demonstration cable, automatic storage history data, consult at any time the operating temperature of cable, can also realize automatic overtemperature alarm and online feedback control, to guarantee that cable has suitable ampacity, reach can make cable to greatest extent transmission of electric energy can guarantee again the object of cable running safety.The shortcomings such as the coverage rate of Traditional Man in safeguarding is little, cost is high, poor reliability, shortage real-time are avoided.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cross section of offshore oil platform of the present invention composite cable.
Mark in above-mentioned accompanying drawing is as follows:
Embodiment
(embodiment 1)
See Fig. 1, the offshore oil platform of the present embodiment comprises master core 1, outdoor optical cable for communication 2, twining package tape 3, inner sheath 4, armour 5 and oversheath 6 with composite cable.
Conductor 11 is identical by 6 or 12 or 15 or 18 or 30 filament diameters, the forming copper wire or stranded pressing of plating copper wire of 50 to 185 square millimeters of nominal crosss, and the present embodiment adopts and forms 70 square millimeters of stranded pressing of tinned copper wire of 12 monofilament nominal crosss.
Insulating barrier 13 is made up of ethylene-propylene rubber material, can adopt the ethylene propylene rubber insulation material of the ERI-3748 of Dow Chemical supply, the tensile strength of insulating barrier 13 is not less than 5MPa, elongation at break is not less than 200%, in watertight aircase, carry out that aging (temperature is 135 ℃ ± 3 ℃, time is 168h), tensile strength retention rate is not less than 80% of former tensile strength, and elongation at break is not less than 80% of former elongation at break.Insulating barrier 13 is extruded in the outside of conductor shield 12.
Insulated non-metal screen 14, by making by vulcanization type semiconductive material, can adopt the HFDA-0693 strippable semi-conductive shielded cable material of Dow Chemical to make in the present embodiment.The tensile strength of insulated non-metal screen 14 is not less than 13MPa, and elongation at break is not less than 350%, 90 ℃ of specific insulation and is not less than 50 ohmcms.Insulated non-metal screen 14 is extruded in the outside of insulating barrier 13.
Outdoor optical cable for communication 2 has 3, and 3 outdoor optical cable for communications 2, along circumferentially uniformly-spaced angle setting of power cable, contact with corresponding adjacent master core 1.The GYTA type outdoor optical cable for communication that adopts Jiangsu Changfei Zhongli Optical Fibre & Optical Cable Co. Ltd. to provide in the present embodiment, also can adopt patent documentation Granted publication number is CN201837756U disclosed " a kind of outdoor optical cable for lapped joint layer-stranded type communication ".1 and 3 outdoor optical cable for communications 2 of 3 master cores adopt concentric type twisted synthesizing cable to the right, and laying up pitch is 25 to 35 times of power cable external diameter, and the present embodiment is 30 times.Twining package tape 3 is LSOH anti-flaming strap, the LSOH anti-flaming strap that the present embodiment adopts Shenyang Correspondent cable material Co., Ltd to produce.The thickness of twining package tape 3 is 0.2 ± 0.02 millimeter, the wrapped master core 1 twisting together of twining package tape 3 and the outside of outdoor optical cable for communication 2, and the wrapped rate of putting up is 20% to 50%, the present embodiment is 25%.
Tinned copper wire or zinc-coated wire braiding that armour 5 is 0.3mm or 0.4mm by diameter form, and be positioned at the outside of inner sheath 4, its percentage of braiding coverage is 90% to 98%, and the tinned copper wire braiding that the armour 5 of the present embodiment is 0.35mm by diameter forms, and its percentage of braiding coverage is 95%.The tensile strength of armour 5 is not less than 100 MPa, and elongation at break is not less than 15%.
Oversheath 6 is made by the Halogen thermosetting of resistance to mud polyolefin, and the present embodiment adopts the protective cover material that joins the trade mark ZL1213-HN-N of plastic cement development in science and technology Co., Ltd production in Hebei.Oversheath 6 is coated on the outside of armour 5.The thickness of oversheath 6 is 1.48 millimeters to 3 millimeters (the present embodiment is 2.02 millimeters).
Above embodiment is used for illustrative purposes only; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and variation; in concrete application process, can also transform accordingly according to the inspiration of above-described embodiment, within therefore all technical schemes that are equal to all should be included into scope of patent protection of the present invention.
Claims (9)
1. an offshore oil platform composite cable, is characterized in that: comprise master core (1), outdoor optical cable for communication (2), twining package tape (3), inner sheath (4), armour (5) and oversheath (6); Master core (1) has 3; Each master core (1) all along its separately be radially provided with successively from inside to outside conductor (11), conductor shield (12), insulating barrier (13), insulated non-metal screen (14) and insulated metal screen (15); Conductor shield (12), insulating barrier (13) and the three-layer co-extruded outside that is coated on conductor (11) of insulated non-metal screen (14); Insulated metal screen (15) is wrapped outside insulated non-metal screen (14);
Outdoor optical cable for communication (2) has 3; 3 master cores (1) are along circumferentially uniformly-spaced angle setting of power cable; 3 outdoor optical cable for communications (2), along circumferentially uniformly-spaced angle setting of power cable, contact with corresponding adjacent master core (1); 3 master cores (1) and 3 outdoor optical cable for communications (2) adopt concentric type twisted synthesizing cable, and laying up pitch is 25 to 35 times of power cable external diameter; The wrapped master core (1) twisting together of twining package tape (3) and the outside of outdoor optical cable for communication (2), the wrapped rate of putting up is 20% to 50%;
Twining package tape (3) periphery is extruded with inner sheath (4); Tinned copper wire or zinc-coated wire braiding that armour (5) is 0.3mm or 0.4mm by diameter form, and are positioned at the outside of inner sheath (4), and its percentage of braiding coverage is 90% to 98%;
Oversheath (6) is made by the Halogen thermosetting of resistance to mud polyolefin, and oversheath (6) is coated on the outside of armour (5), and the thickness of oversheath (6) is 1.48 millimeters to 3 millimeters.
2. offshore oil platform composite cable according to claim 1, is characterized in that: conductor (11) is identical by 6 or 12 or 15 or 18 or 30 filament diameters, the forming copper wire or stranded pressing of plating copper wire of 50 to 185 square millimeters of nominal crosss.
3. offshore oil platform composite cable according to claim 1, is characterized in that: described conductor shield (12) is by making by vulcanization type semiconductive material, and the thickness of conductor shield (12) is 0.35 millimeter to 0.9 millimeter.
4. offshore oil platform composite cable according to claim 1, is characterized in that: described insulating barrier (13) is made up of ethylene-propylene rubber material.
5. offshore oil platform composite cable according to claim 1, is characterized in that: described insulated non-metal screen (14) is by making by vulcanization type semiconductive material.
6. offshore oil platform composite cable according to claim 1, it is characterized in that: insulated metal screen (15) adopts bare copper strip wrapped outside insulated non-metal screen (14), the thickness of bare copper strip is 0.1mm or 0.12mm, puts up rate 10% to 15%.
7. according to the offshore oil platform composite cable one of claim 1 to 6 Suo Shu, it is characterized in that: the cross section of described outdoor optical cable for communication (2) is for circular or fan-shaped.
8. according to the offshore oil platform composite cable one of claim 1 to 6 Suo Shu, it is characterized in that: twining package tape (3) is LSOH anti-flaming strap.
9. offshore oil platform composite cable according to claim 7, is characterized in that: twining package tape (3) is LSOH anti-flaming strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024248.1A CN103779020B (en) | 2014-01-20 | 2014-01-20 | Offshore oil platform composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024248.1A CN103779020B (en) | 2014-01-20 | 2014-01-20 | Offshore oil platform composite cable |
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| CN103779020A true CN103779020A (en) | 2014-05-07 |
| CN103779020B CN103779020B (en) | 2016-01-20 |
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| CN201410024248.1A Active CN103779020B (en) | 2014-01-20 | 2014-01-20 | Offshore oil platform composite cable |
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Cited By (8)
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| CN105405524A (en) * | 2015-12-22 | 2016-03-16 | 上海朗达电缆（集团）有限公司 | Fire-resistant optical fiber composite medium-voltage cable and manufacturing process of fire-resistant optical fiber composite medium-voltage cable |
| CN105575535A (en) * | 2015-12-22 | 2016-05-11 | 上海朗达电缆（集团）有限公司 | Fireproof optical fiber composite low voltage cable and manufacture technology |
| CN106653206A (en) * | 2016-12-28 | 2017-05-10 | 武汉大学 | Multi-purpose intelligent cable |
| CN106683781A (en) * | 2016-12-28 | 2017-05-17 | 武汉大学 | Intelligent temperature measuring cable |
| CN106710703A (en) * | 2016-12-28 | 2017-05-24 | 武汉大学 | Multifunctional cable |
| CN106710702A (en) * | 2016-12-28 | 2017-05-24 | 武汉大学 | Dual-purpose intelligent cable |
| CN107767994A (en) * | 2016-08-17 | 2018-03-06 | 江苏宝安电缆有限公司 | A kind of offshore oil platform medium voltage converter cable |
| CN109147995A (en) * | 2018-10-09 | 2019-01-04 | 江苏亨通光电股份有限公司 | A kind of optoelectronic composite cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106710702A (en) * | 2016-12-28 | 2017-05-24 | 武汉大学 | Dual-purpose intelligent cable |
| CN109147995A (en) * | 2018-10-09 | 2019-01-04 | 江苏亨通光电股份有限公司 | A kind of optoelectronic composite cable |
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| CN103779020B (en) | 2016-01-20 |
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Effective date of registration: 20180119 Address after: 213004 Beitang, Jiangsu Tianning Development Zone, Hedong Road, No. 8, No. Co-patentee after: Jiangsu Zhongli group Limited by Share Ltd Patentee after: Changzhou Marine Cable Co., Ltd. Address before: 213004 Beitang, Jiangsu Tianning Development Zone, Hedong Road, No. 8, No. Patentee before: Changzhou Marine Cable Co., Ltd. |
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