CN102194546B - Monophase electric optical fiber embedded power cable - Google Patents
Monophase electric optical fiber embedded power cable Download PDFInfo
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- CN102194546B CN102194546B CN 201010116068 CN201010116068A CN102194546B CN 102194546 B CN102194546 B CN 102194546B CN 201010116068 CN201010116068 CN 201010116068 CN 201010116068 A CN201010116068 A CN 201010116068A CN 102194546 B CN102194546 B CN 102194546B
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- optical fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 38
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 16
- 238000005728 strengthening Methods 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 11
- 229920000098 polyolefin Polymers 0.000 claims description 9
- 239000004952 Polyamide Substances 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims 2
- 238000004891 communication Methods 0.000 abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 abstract 3
- 230000003014 reinforcing effect Effects 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 7
- 239000011151 fibre-reinforced plastic Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000002674 ointment Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
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Abstract
The invention relates to a monophase electric optical fiber embedded power cable. The power cable comprises a single-copper-core cable conductor consisting of multiple strands of copper wires, an inner semiconductive wrapping band encircling the single-copper-core cable conductor, a conductor shielding layer wrapping the inner semiconductive wrapping band, an insulting layer coating the conductor shielding layer, a semiconductive water-proof layer wrapping the insulting layer and a sheath positioned outside the semiconductive water-proof layer; two semiconductive water-proof layers are provided; an optical fiber cable laid in a form of a sine wave is arranged between the two semiconductive water-proof layers; and the optical fiber cable comprises a reinforcing core made of fiber-reinforced compound material, a plurality of optical fibers adjacent to the reinforcing core made of the fiber-reinforced compound material, an aramid fiber layer encircling the reinforcing core made of the fiber-reinforced compound material and the plurality of optical fibers and a sheath sheathing the semiconductive water-proof layer. The power cable has the functions of optical fiber sensing and optical fiber communication, improves the degree of intelligence obviously and provides a powerful technical measure for the failure prewarning, information communication and remote monitoring of the power grid and the like.
Description
Technical field
Patent of the present invention relates to a kind of Special power cable, refers in particular to monophase electric optical fiber embedded power cable, is used for from the high, normal, basic piezoelectric forces supply network of 400v-35kv circuit.
Background technology
In intelligent grid is built, need reinforcement to the technological means of early diagnosis and the early warning of electric network fault.Power cable is one of parts of use amount maximum in the power grid construction.Also be to be prone to one of parts of fault most.In case power cable breaks down, the loss of outage of zones of different level will be caused.Therefore need to carry out online sensor monitoring to situations such as the temperature of operating power cable, stress, load, discharge, vibrations.And the conventional electric power cable that adopts at present can't be realized this intelligent detecting function.
Simultaneously, because the electric power carrier communication technology of realizing at the conventional electric power cable at present because of its low speed, low communication success rate, low reliability, can not satisfy intelligent grid to the large capacity real time information communication needs of electric power remote control, metering, monitoring.
In informationized society was built, along with phone, computer, TV enter huge numbers of families, the enterprise that is engaged in telecommunications, broadband, broadcasting and TV service operation all needed to lay corresponding circuit house lead in.Occur that cable tubing excavates repeatedly, the engineering repeated construction, bring worry to the user.
Yet existing traditional fiber optic cable and composite power cable have following technical problem:
Since the mechanical strength of optical fiber very a little less than, optical fiber is damaged easily.Therefore, optical fiber being contained in one has in the metal catheter of high strength and small curvature radius.But the metal catheter of this high strength and small curvature radius may destroy insulating barrier, thereby dielectric strength is reduced.Also can affect simultaneously the Electric Field Distribution state of high-tension cable.
On the other hand, existing fiber optic cable has adopted the ointment fixed fiber in addition, but in actual use, runs into the ointment such as high temperature and melts easily, and fiber optic cable is caused adverse consequences.Also can affect the cable joint construction.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of monophase electric optical fiber embedded power cable, and it has cable fault sensor monitoring ability and broadband connections ability, satisfies the construction demand of " intelligent grid " and " many net unifications ".
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of monophase electric optical fiber embedded power cable, it comprises the single-phase copper core cable conductor that is comprised of some strands of copper cash, around the interior semiconductive band of described single-phase copper core cable conductor, wrap up described interior semiconductive band conductor shield, cover insulating barrier on the conductor shield, be wrapped in the semiconductive water blocking layer on the insulating barrier and be positioned at the outer sheath of semiconductive water blocking layer; Described semiconductive water blocking layer inner clip is held fiber optic cable; This fiber optic cable comprises fibre reinforced composites strengthening core, some optical fiber adjacent with the fibre reinforced composites strengthening core, centers on the aramid fiber layer of described fibre reinforced composites strengthening core and described optical fiber and cover the outer oversheath of described aramid fiber layer.
The present invention compares with existing 400v-35kv senior middle school low pressure conventional electric power cable, by connecting relevant optoelectronic device, have the following advantages: this cable has the special smart functions such as temperature sensing, stress sensing, discharge detecting, outside destroy warning, cable load monitoring, optical fiber communication.
Patent of the present invention is used for intelligent grid, can significantly improve the intelligent degree of electrical network.For the fault pre-alarming of electrical network, information communication, Long-distance Control etc. provide strong means.And can be " Fiber to the home ", " many net unification (electric power, phone, TV, computer) ", " water power coal table long-distance metering ", " with the power consumer two-way interaction " provide low-cost, easily " optical cable unification ", " multi-purpose " means.
Description of drawings
Fig. 1 is the sectional view of fiber optic cable of the present invention.
Fig. 2 is the sectional view of monophase electric optical fiber embedded power cable of the present invention.
Fig. 3 is the fiber optic cable embedded mode schematic diagram of monophase electric optical fiber embedded power cable of the present invention.
Embodiment
In order better patented technology scheme of the present invention to be understood, below by instantiation and cooperate accompanying drawing to be elaborated:
A kind of fiber optic cable, this fiber optic cable comprise fibre reinforced composites strengthening core FRP, some optical fiber adjacent with the fibre reinforced composites strengthening core, center on the aramid fiber layer of described fibre reinforced composites strengthening core and described optical fiber and cover the outer oversheath of described aramid fiber layer.Be provided with filling tape in the described aramid fiber layer.Described filling tape material is polyethylene.Described jacket material is polyimides or polyvinyl fluoride or high temperature polyamide.
Fibre reinforced composites are through 20 years of researches and accumulation, and having basically formed can be at resin system and the composite material of 80～300 ℃ of temperature ranges uses.The used strengthening core of fiber optic cable is " fiberglass reinforced plastics " among the present invention.FRP (FiberReinforced Plastics) is fiber-reinforced plastic, refers generally to strengthen unsaturated polyester, epoxy resin and phenolic resin as matrix resin with glass fibre, is commonly called as fiberglass.What the present invention adopted is that fire resistant resin is as composite material.
The aramid fiber full name is " PPTA ", English is Aramid fiber (commodity of E.I.Du Pont Company are called Kevlar), be a kind of novel high-tech synthetic fibers, have superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, the premium properties such as lightweight, its intensity is 5～6 times of steel wire, modulus is steel wire or glass fibre 2～3 times, toughness is 2 times of steel wire, and weight only is about 1/5 of steel wire, under the temperature of 560 degree, do not decompose, do not melt.It has good insulating properties and ageing resistace, has very long life cycle.
The present invention includes a kind of monophase electric optical fiber embedded power cable 200, this monophase electric optical fiber embedded power cable 200 comprises single copper core cable conductor of being comprised of strand copper wire, around the interior semiconductive band of described single copper core cable conductor, wrap up described interior semiconductive band conductor shield, cover insulating barrier on the conductor shield, be wrapped in the semiconductive water blocking layer on the insulating barrier and be positioned at the outer sheath of semiconductive water blocking layer; Described semiconductive water blocking layer is two-layer, and as shown in Figure 3, described fiber optic cable is longitudinal extension in the middle of two-layer semiconductive water blocking layer, with being entwined of sine wave type.
The concrete Fig. 1 that consults, the fiber optic cable of the multicore special construction that patent of the present invention adopts, comprising fibre reinforced composites (FRP) strengthening core 2, the painted naked fibre of resistant to elevated temperatures list (many) mould or the tightly packaged fiber 1 of parcel strengthening core 2, around the polyethylene filling tape 3 of fibre reinforced composites (FRP) strengthening core 2 and optical fiber 1, the multiply aramid fiber 4 of parcel polyethylene filling tape 3 and polyimides or polyvinyl fluoride or the high temperature polyamide oversheath of parcel aramid fiber 4.In the present embodiment, optical fiber 1 number can have one or more, and preferably four, also can be three, these four optical fiber 1 are with fibre reinforced composites (FRP) strengthening core 2 centering on tightly.
The special fiber optic cable of multicore by said structure and material consist of has the characteristics of " the nonmetal high temperature resistance and high strength of dry type ".The sensor measuring and the optical fiber communication that are particularly suitable in the high, normal, basic voltage environment of 400v-35kv are used.
Consult Fig. 2, the optical fibre embedded copper core cross linked insulation structure electric intelligent cable of single copper core involved in the present invention, comprising single copper core (single-phase electricity) cable conductor 10 that is formed by strand copper wire, semiconductive band 11 in the polyethylene of parcel conductor 10, the conductor shield 12 (as: copper etc.) that is formed by wire netting (band) shape of semiconductive band 11 in the parcel polyethylene, the cross-linked polyolefin of the conductor shield 12 that parcel is comprised of wire netting (band) shape or the insulating barrier 13 of crosslinked polyethylene, the insulating barrier 13 of parcel cross-linked polyolefin or crosslinked polyethylene, the insulation screen 14 that is consisted of by the polyethylene band, the semiconductive water blocking layer 15 that is consisted of by polythene material of wrap insulate screen 14, the semi-conductive buffer water-blocking band 16 that is consisted of by polythene material of parcel semiconductive water blocking layer 15, the low-smoke bittern-free highly fire-proof polyolefin oversheath 18 of the corrugated aluminium sheath 17 of parcel semi-conductive buffer water-blocking band 16 and parcel corrugated aluminium sheath 17.Wherein the fiber optic cable of multicore special construction is laid between semiconductive water blocking layer 15 and the semi-conductive buffer water-blocking band 16 with sinusoidal wave form.
Described semiconductive water blocking layer 15 is identical with semi-conductive buffer water-blocking band 16 materials, and only role difference in cable can be referred to as the semiconductive water blocking layer.Cross-linked polyolefin or polyethylene are to adopt chemical cross-linking agent to make the polymer generation crosslinked, change network structure into by linear structure.The selection of crosslinking agent should be looked the polymer kind, processing technology and product properties and decide.This material is as well known to those skilled in the art.
The fiber optic cable of multicore special construction among the present invention, wherein, optical cable has adopted the dry construction of non-ointment type, to be fit to cable construction and operation power environmental requirement.
Wherein, optical cable has adopted resistant to elevated temperatures optical fiber cable design of material.Described material is polyimides or polyvinyl fluoride or high temperature polyamide.
Wherein, optical cable adopts non-metallic structural design.To avoid the harmful effect to the electric power safety operation.
Wherein, optical cable adopts the design of multiple-core optical fiber structure.To satisfy the electric intelligent requirement.Described multiple-core optical fiber, be 2 cores and more than, by single mode or multimode or single multimode mix, painted naked fibre or hard-pressed bale fibre form.
Wherein, optical cable has adopted high-intensity design of material.Described material is aramid fiber and polyimides or polyvinyl fluoride or high temperature polyamide.
The above-mentioned cross linked insulation layer that is coated on outside the copper core conductor is the halogen-free type environment-friendly materials.Wherein, described material is cross-linked polyolefin or crosslinked polyethylene.
Oversheath has adopted the design of low-smoke bittern-free highly fire-proof type macromolecular material in the above-mentioned cable.Wherein, described material is the low-smoke bittern-free highly fire-proof polyolefin.
Patent of the present invention is compared with existing 400v-35kv senior middle school low pressure conventional electric power cable, by connecting relevant optoelectronic device, have the following advantages: this cable has the special smart functions such as temperature sensing, stress sensing, discharge detecting, outside destroy warning, cable load monitoring, optical fiber communication.
Patent of the present invention is used for intelligent grid, can significantly improve the intelligent degree of electrical network.For the fault pre-alarming of electrical network, information communication, Long-distance Control etc. provide strong means.And can be " Fiber to the home ", " four networks one platform (electric power, phone, TV, computer) ", " water power coal table long-distance metering ", " with the power consumer two-way interaction " provide low-cost, easily " optical cable unification ", " multi-purpose " means.
Above-described embodiment just lists expressivity principle of the present invention and effect is described, but not is used for restriction the present invention.Any personnel that are familiar with technique all can without departing from the spirit and scope of the present invention, make amendment to above-described embodiment.Therefore, the scope of the present invention should be listed such as claims.
Claims (2)
1. monophase electric optical fiber embedded power cable, it is characterized in that: this monophase electric optical fiber embedded power cable comprises the single-phase copper core cable conductor (10) that is comprised of some strands of copper cash, in the polyethylene of described single-phase copper core cable conductor (10) semiconductive band (11), wrap up semiconductive band (11) in the described polyethylene conductor shield (12), cover insulating barrier on the conductor shield (12), be wrapped in the semiconductive water blocking layer on the insulating barrier and be positioned at the outer sheath of semiconductive water blocking layer; Described semiconductive water blocking layer inner clip is held fiber optic cable (100); This fiber optic cable comprises fibre reinforced composites strengthening core (2), some optical fiber (1) adjacent with the fibre reinforced composites strengthening core, centers on the aramid fiber layer (4) of described fibre reinforced composites strengthening core and described optical fiber and cover the outer oversheath (5) of described aramid fiber layer; Described oversheath (5) material is polyimides or polyvinyl fluoride or high temperature polyamide;
Described fiber optic cable (100) is laid in sinusoidal wave form in the semiconductive water blocking layer;
Be provided with filling tape (3) in the described aramid fiber layer (4); Described filling tape (3) material is polyethylene;
Described insulating barrier comprises the insulating barrier (13) of the cross-linked polyolefin that covers on the conductor shield (12) or crosslinked polyethylene and covers cross-linked polyolefin or insulation screen (14) that polyethylene band that the insulating barrier of crosslinked polyethylene (13) is outer consists of;
Described semiconductive water blocking layer comprises nonwoven fabrics semiconductive water blocking layer (15) and the nonwoven fabrics semi-conductive buffer water blocking layer (16) that is wrapped in successively outside the insulating barrier;
Described sheath comprises and is positioned at the outer corrugated aluminium sheath (17) of semiconductive water blocking layer and is wrapped in the outer low-smoke bittern-free highly fire-proof polyolefin oversheath (18) of corrugated aluminium sheath.
2. monophase electric optical fiber embedded power cable as claimed in claim 1, it is characterized in that: described conductor shield (12) is comprised of metal net shaped or banded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010116068 CN102194546B (en) | 2010-03-02 | 2010-03-02 | Monophase electric optical fiber embedded power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010116068 CN102194546B (en) | 2010-03-02 | 2010-03-02 | Monophase electric optical fiber embedded power cable |
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| CN102194546A CN102194546A (en) | 2011-09-21 |
| CN102194546B true CN102194546B (en) | 2013-01-02 |
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| CN 201010116068 Active CN102194546B (en) | 2010-03-02 | 2010-03-02 | Monophase electric optical fiber embedded power cable |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855992A (en) * | 2012-05-25 | 2013-01-02 | 上海飞航电线电缆有限公司 | Single-phase power cable embedded with electric optical fibers |
| CN103985458A (en) * | 2014-04-11 | 2014-08-13 | 安徽省赛华电缆有限公司 | Cable with strong watertightness |
| CN109786022A (en) * | 2019-03-25 | 2019-05-21 | 特变电工山东鲁能泰山电缆有限公司 | A kind of 220kV-750kV high drop blocks water environmentally friendly crosslinked cable entirely |
| CN112466547A (en) * | 2020-11-08 | 2021-03-09 | 北京亨通斯博通讯科技有限公司 | Intelligent sensing and positioning photoelectric composite cable |
| CN112466269B (en) * | 2020-12-22 | 2024-01-26 | 华北电力大学 | Optical guitar |
| CN113113174A (en) * | 2021-02-22 | 2021-07-13 | 深圳市壹电电力技术有限公司 | Cable with fault self-diagnosis function for intelligent cable system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554778Y (en) * | 2002-08-21 | 2003-06-04 | 姚建军 | Light electric combination cable |
| CN2691021Y (en) * | 2004-03-29 | 2005-04-06 | 江苏亨通电力电缆有限公司 | Optical fiber temperature detection defect early warning composite power cable |
| CN2807279Y (en) * | 2005-03-18 | 2006-08-16 | 江苏亨通光电股份有限公司 | Double-layer twisted large-core indoor distribution optical cable |
| CN200950364Y (en) * | 2006-09-18 | 2007-09-19 | 青岛汉缆集团有限公司 | Single-core power cable |
| CN201122456Y (en) * | 2007-11-30 | 2008-09-24 | 青岛汉缆股份有限公司 | High voltage power cable with embedded temperature-measuring optical fibre cable |
| CN201203487Y (en) * | 2008-04-15 | 2009-03-04 | 广州岭南电缆有限公司 | Distributed optical fiber on-line temperature monitoring cable |
| CN201203485Y (en) * | 2008-04-15 | 2009-03-04 | 广州岭南电缆有限公司 | Distributed optical fiber on-line temperature monitoring cable |
| CN201717052U (en) * | 2010-03-02 | 2011-01-19 | 上海欧忆电子科技发展有限公司 | Single-phase electro-optical fiber embedded power cable |
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Effective date of registration: 20120209 Address after: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant after: Shanghai Ouyi Intelligent Network Co., Ltd. Co-applicant after: Shanghai Electric Power Corporation Address before: 200072, room 912, 901 Xin Lu, Zhabei District, Shanghai Applicant before: Shanghai Ouyi Intelligent Network Co., Ltd. |
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Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI MUNICIPAL Free format text: FORMER OWNER: SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY Effective date: 20121220 |
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Effective date of registration: 20121220 Address after: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Patentee after: Shanghai Ouyi Intelligent Network Co., Ltd. Patentee after: State Grid Corporation of China Patentee after: Shanghai Electric Power Corporation Address before: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Patentee before: Shanghai Ouyi Intelligent Network Co., Ltd. Patentee before: Shanghai Electric Power Corporation |