CN103779020B - Offshore oil platform composite cable - Google Patents
Offshore oil platform composite cable Download PDFInfo
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- CN103779020B CN103779020B CN201410024248.1A CN201410024248A CN103779020B CN 103779020 B CN103779020 B CN 103779020B CN 201410024248 A CN201410024248 A CN 201410024248A CN 103779020 B CN103779020 B CN 103779020B
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Abstract
The invention discloses a kind of offshore oil platform composite cable, its main points are: comprise master core, outdoor optical cable for communication, twining package tape, inner sheath, armour and oversheath.Master core has 3.Each master core is all provided with conductor, conductor shield, insulating barrier, insulated non-metal screen and metal screen layer from inside to outside successively along its respective radial direction.The three-layer co-extruded outside being coated on conductor of conductor shield, insulating barrier and insulated non-metal screen.Metal screen layer is wrapped outside insulated non-metal screen.Outdoor optical cable for communication has 3.The outside of the wrapped master core twisting together of twining package tape and outdoor optical cable for communication.Twining package tape periphery is extruded with inner sheath.Armour is positioned at the outside of inner sheath.Oversheath is coated on the outside of armour.
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 be transmitted from land by submarine fiber cable, again through marine electric installation with electric power Splices cable to platform to come and then by the application of each system of transformer conversion supply, solve in the past by shortcoming that generating set generates electricity that the energy resource consumption that brings is large, noise is large, space used is large etc.But the electric pressure of sea floor optoelectronic composite cable that at present China commonly uses is 35kV, therefore needs the marine electric installation of electric pressure coupling therewith to connect with power cable.And current marine electric installation in the world adopts the standard of IEC60092-354 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, namely the marine electric installation mated with sea floor optoelectronic composite cable electric pressure cannot be selected to be connected with power cable, so each large shipyard can only select the land system power cable of 26/35kV to replace using, and the land system power cable employing of this electric pressure is crosslinked polyetylene insulated, cross-linking polyethylene materials is when there being moisture to immerse, water tree can be formed discharge under electric field action, insulating barrier easily punctures, poor reliability, life-span is short, to often change, maintenance and repair cost price is too large.
Photoelectric compound cable common in the market, is mainly used in low voltage power transmission system, and light harvesting fibre and power transmission cable are integrated, and solve device signal transmission and electrical problem, in optical cable, the cable conductor of compound is no more than 6 square millimeters simultaneously.It current offshore oil platform is the medium and high voltage cable of more than 16 square millimeters with the cross-sectional area of conductor of cable, 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, needs to monitor cable running status.
Summary of the invention
The object of this invention is to provide that a kind of structure is simple, the offshore oil platform composite cable that can mate with submarine fiber cable electric pressure of good reliability, long service life.
The basic technical scheme realizing the object of the invention is: a kind of offshore oil platform composite cable, and 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 is all provided with conductor, conductor shield, insulating barrier, insulated non-metal screen and metal screen layer from inside to outside successively along its respective radial direction.The three-layer co-extruded outside being coated on conductor of conductor shield, insulating barrier and insulated non-metal screen.Metal screen layer is wrapped outside insulated non-metal screen.
Outdoor optical cable for communication has 3.3 master cores are along the angle setting at equal intervals of power cable circumference.3 outdoor optical cable for communications, along the angle setting at equal intervals of power cable circumference, 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 outside of the wrapped master core twisting together of twining package tape and outdoor optical cable for communication, the wrapped rate of putting up is 20% to 50%.
Twining package tape periphery is extruded with inner sheath.Armour is that the tinned copper wire of 0.3mm or 0.4mm or zinc-coated wire weave and form by diameter, and is 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.
Technical scheme based on above-mentioned basic technical scheme is: conductor is by 6 or 12 or 15 or 18 or 30 filament diameters are identical, the copper wire of nominal cross 50 to 185 square millimeters or form plating copper wire stranded pressing.
Technical scheme based on above-mentioned basic technical scheme is: 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.
Technical scheme based on above-mentioned basic technical scheme is: described insulating barrier is made up of ethylene-propylene rubber material.
Technical scheme based on above-mentioned basic technical scheme is: described insulated non-metal screen is by making by vulcanization type semiconductive material.
Technical scheme based on above-mentioned basic technical scheme is: metal screen layer 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%.
Technical scheme based on above-mentioned each appropriate technical solution is: the cross section of described outdoor optical cable for communication is for circular or fan-shaped.
Technical scheme based on above-mentioned each appropriate technical solution is: twining package tape is LSOH anti-flaming strap, and the thickness of twining package tape is 0.2 ± 0.02 millimeter.
Technical scheme based on above-mentioned appropriate technical solution is: 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 composite cable of the present invention has filled up the blank of the marine electric installation power cable not having the sea floor optoelectronic composite cable being 35kV with electric pressure specially to mate at present, is ground-breaking invention.
(2) copper wire that the conductor multifilament diameter of the master core of offshore oil platform composite cable of the present invention is identical or form plating copper wire stranded pressing, can reduce conductive surface gap, prevent the material of conductor shield to be absorbed in conductor.Conductor shield (internal shield), insulating barrier and insulated non-metal screen (outer shielding layer) adopt the three-layer co-extruded outside being coated on conductor, ensure that the smoothness of bonding tightness between insulating barrier and interior outer shielding layer and superficial layer, decrease the partial discharge phenomenon produced because of gap, substantially increase the useful life of product.
(3) the insulating barrier employing voltage withstand class of offshore oil platform composite cable of the present invention is the ethylene-propylene rubber macromolecular material of 35kV, ensure that the tensile strength of 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 DEG C ± 3 DEG C, 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, and ensure that the tensile strength of conductor shield is not less than 15MPa, elongation at break is not less than 200%, and 90 DEG C of specific insulations are not less than 200 ohmcms; Insulated non-metal screen is selected to make by vulcanization type semiconductive material, and ensure that the tensile strength of insulated non-metal screen is not less than 13MPa, elongation at break is not less than 350%, and 90 DEG C of specific insulations are not less than 50 ohmcms.
(4) offshore oil platform composite cable of the present invention partial discharge test satisfied 1.73 after testing
u 0under, partial discharge quantity is less than 5Pc, and working-frequency voltage test is 3.5
u 0lower 5min does not puncture, and properties of product are reliable.
(5) offshore oil platform composite cable of the present invention is when master core and outdoor optical cable for communication all have 3, outdoor optical cable for communication also plays certain filling effect, stranding is facilitated to operate, be conducive to cable and deflect the stable of core structure in process, the uniformity that core is stressed, makes consolidation, the rounding more of the power cable after stranding.
(6) oversheath of offshore oil platform composite cable of the present invention is made up of the Halogen thermosetting of resistance to mud polyolefin, has good resistance to mud and anti-seawater corrosion performance.
(7) offshore oil platform composite cable of the present invention increases outdoor optical cable for communication in the cable, employing distributed optical fiber temperature sensor technology measures the thermo parameters method residing for outdoor optical cable for communication in cable in real time, not only can intelligence detection and display cable actual motion temperature, automatic storage history data, consult the operating temperature of cable at any time, automatic overtemperature alarm and online feedback control can also be realized, 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.Avoid Traditional Man safeguard in the shortcoming such as coverage rate little, cost is high, poor reliability, shortage real-time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cross section of offshore oil platform composite cable of the present invention.
Mark in above-mentioned accompanying drawing is as follows:
Master core 1, conductor 11, conductor shield 12, insulating barrier 13, insulated non-metal screen 14, metal screen layer 15, outdoor optical cable for communication 2, twining package tape 3, inner sheath 4, armour 5, oversheath 6.
Embodiment
(embodiment 1)
See Fig. 1, the offshore oil platform composite cable 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.
Master core 1 has 3, and the structure of 3 master cores 1 is identical.3 master cores 1 are along the angle setting at equal intervals of power cable circumference.3 master cores 1 all along its separately radial direction be provided with conductor 11, conductor shield 12, insulating barrier 13, insulated non-metal screen 14 and metal screen layer 15 from inside to outside successively.
Conductor 11 is by 6 or 12 or 15 or 18 or 30 filament diameters are identical, the copper wire of nominal cross 50 to 185 square millimeters or form plating copper wire stranded pressing, and the present embodiment adopts 70 square millimeters of tinned copper wire stranded pressing of 12 monofilament nominal crosss to form.
Conductor shield 12 by making by vulcanization type semiconductive material, the semi-conductive shielding material of the HFDB-0586 that Dow Chemical can be adopted in the present embodiment to supply.Conductor shield 12 is extruded in the outside of conductor 11.The thickness of conductor shield 12 is 0.35 millimeter to 0.9 millimeter, and the present embodiment is 0.5 millimeter.The tensile strength of conductor shield 12 is not less than 15MPa, and elongation at break is not less than 200%, and 90 DEG C of specific insulations are not less than 200 ohmcms.
Insulating barrier 13 is made up of ethylene-propylene rubber material, the ethylene propylene rubber insulation material of the ERI-3748 that Dow Chemical can be adopted to 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 DEG C ± 3 DEG C, 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%, and 90 DEG C of specific insulations are not less than 50 ohmcms.Insulated non-metal screen 14 is extruded in the outside of insulating barrier 13.
Conductor shield 12, insulating barrier 13 and insulated non-metal screen 14 adopt the three-layer co-extruded outside being coated on conductor 11.
Metal screen layer 15 adopts bare copper strip wrapped outside insulated non-metal screen 14, and the thickness of bare copper strip is 0.1mm to 0.12mm, and the present embodiment is 0.1 millimeter, puts up rate 10% to 15%.
Outdoor optical cable for communication 2 has 3, and 3 outdoor optical cable for communications 2, along the angle setting at equal intervals of power cable circumference, contact with corresponding adjacent master core 1.The GYTA type outdoor optical cable for communication adopting Jiangsu Changfei Zhongli Optical Fibre & Optical Cable Co. Ltd. to provide in the present embodiment, also can adopt patent documentation Authorization Notice No. to be CN201837756U disclosed " a kind of outdoor optical cable for lapped joint layer-stranded type communication ".3 master cores 1 and 3 outdoor optical cable for communications 2 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, and the outside of the wrapped master core 1 twisting together of twining package tape 3 and outdoor optical cable for communication 2, the wrapped rate of putting up is 20% to 50%, and the present embodiment is 25%.
Twining package tape 3 periphery is extruded with inner sheath 4.Inner sheath 4 adopts polyolefin or cross-linked polyolefin to be made (the present embodiment is polyolefin).The thickness of inner sheath 4 is 2.5 millimeters to 5 millimeters (the present embodiment is 3.5 millimeters)
Armour 5 is that the tinned copper wire of 0.3mm or 0.4mm or zinc-coated wire weave and form by diameter, 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 100MPa, and elongation at break is not less than 15%.
Oversheath 6 is made by the Halogen thermosetting of resistance to mud polyolefin, the protective cover material of the trade mark ZL1213-HN-N that the present embodiment adopts Hebei Zhonglian Plastic Technology Development Co., Ltd. to produce.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; various conversion and change can also be made; can also transform accordingly according to the inspiration of above-described embodiment in embody rule process, therefore all equivalent technical schemes all should be included within 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) is all provided with conductor (11), conductor shield (12), insulating barrier (13), insulated non-metal screen (14) and metal screen layer (15) from inside to outside successively along its respective radial direction; Conductor shield (12), insulating barrier (13) and the three-layer co-extruded outside being coated on conductor (11) of insulated non-metal screen (14); Metal screen layer (15) is wrapped at insulated non-metal screen (14) outward;
Outdoor optical cable for communication (2) has 3; 3 master cores (1) are along the angle setting at equal intervals of power cable circumference; 3 outdoor optical cable for communications (2), along the angle setting at equal intervals of power cable circumference, 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 outside of the wrapped master core (1) twisting together of twining package tape (3) and 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); Armour (5) is that the tinned copper wire of 0.3mm or 0.4mm or zinc-coated wire weave and form by diameter, and is 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 by 6 or 12 or 15 or 18 or 30 filament diameters are identical, the copper wire of nominal cross 50 to 185 square millimeters or form plating copper wire stranded pressing.
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, is characterized in that: metal screen layer (15) adopts bare copper strip wrapped at insulated non-metal screen (14) outward, and 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 |
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| 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 |
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| CN201410024248.1A CN103779020B (en) | 2014-01-20 | 2014-01-20 | Offshore oil platform composite cable |
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| CN103779020A CN103779020A (en) | 2014-05-07 |
| CN103779020B true CN103779020B (en) | 2016-01-20 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405524B (en) * | 2015-12-22 | 2018-03-16 | 上海朗达电缆（集团）有限公司 | A kind of fire resisting optical fiber composite medium-pressure cable and its manufacture craft |
| 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 |
| 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 |
| CN106710703A (en) * | 2016-12-28 | 2017-05-24 | 武汉大学 | Multifunctional cable |
| 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 |
| 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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| CN201117348Y (en) * | 2007-11-21 | 2008-09-17 | 扬州曙光电缆有限公司 | Power cross-linked cable |
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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. |