CN201717052U - Single-phase electro-optical fiber embedded power cable - Google Patents
Single-phase electro-optical fiber embedded power cable Download PDFInfo
- Publication number
- CN201717052U CN201717052U CN2010201216405U CN201020121640U CN201717052U CN 201717052 U CN201717052 U CN 201717052U CN 2010201216405 U CN2010201216405 U CN 2010201216405U CN 201020121640 U CN201020121640 U CN 201020121640U CN 201717052 U CN201717052 U CN 201717052U
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- cable
- power cable
- embedded power
- optical fibre
- phase electricity
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005728 strengthening Methods 0.000 claims abstract description 17
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
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Abstract
The utility model relates to a single-phase electro-optical fiber embedded power cable, which comprises a single copper core cable conductor composed of a plurality of copper wires, an inner semi-conductive covering surrounding the single copper core cable conductor, a conductor screening layer coating the inner semi-conductive covering, an insulating layer covering the conductor screening layer, semi-conducting water-resistant layers coating the insulating layer, and a sheath positioned at the outside of the semi-conducting water-resistant layer; the number of semi-conducting water-resistant layers is two, and an optical fiber cable in sine wave type laying is disposed between the two semi-conducting water-resistant layers; the optical fiber cable comprises a fiber reinforced composite material strengthening core, a plurality of optical fibers adjacent to the fiber reinforced composite material strengthening core, and an outer sheath surrounding the fiber reinforced composite material strengthening core and an aramid fiber layer of the optical fibers and covering the outside of the aramid fiber layer. The utility model enables the power cable to have functions of optical fiber sensing and optical fiber communication, and obviously increases the intelligence degree of power network. The utility model provides powerful technical means for fault early warning, information communication, remote monitoring and the like of the power network.
Description
Technical field
The utility model patent relates to a kind of extraordinary power cable, refers in particular to the optical fibre embedded power cable of single-phase electricity, is used for from the high, normal, basic piezoelectric forces supply network of 400v-35kv circuit.
Background technology
In intelligent grid is built, need the technological means of reinforcement to the 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 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 Measurement function.
Simultaneously, because the power line carrier, PLC technology that realizes on the conventional electric power cable at present because of its low speed, low communication success rate, low reliability, can not satisfy the big capacity real time information communication needs of intelligent grid to 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 influence the Electric Field Distribution state of high-tension cable simultaneously.
On the other hand, existing fiber optic cable has adopted the ointment fixed fiber in addition, but in actual use, runs into ointment such as high temperature and melts easily, and fiber optic cable is caused adverse consequences.Also can influence the cable joint construction.
The utility model content
The technical problems to be solved in the utility model provides the optical fibre embedded power cable of a kind of single-phase electricity, 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 utility model adopts following technical scheme: the optical fibre embedded power cable of a kind of single-phase electricity, it comprises the single-phase copper core cable conductor be made up of some strands of copper cash, around the interior semiconductive band of described single-phase copper core cable conductor, wrap up described in the 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 semiconductive water blocking layer sheath outward; Clamping has fiber optic cable in the described semiconductive water blocking layer; 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 utility model 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 special smart functions such as temperature detection, stress sensing, discharge detecting, outside destroy warning, cable load monitoring, optical fiber communication.
The utility model patent 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, " optical cable unification ", " multi-purpose " means easily.
Description of drawings
Fig. 1 is the sectional view of the utility model fiber optic cable.
Fig. 2 is the sectional view of the optical fibre embedded power cable of the utility model single-phase electricity.
Fig. 3 is the fiber optic cable embedded mode schematic diagram of the optical fibre embedded power cable of the utility model single-phase electricity.
Embodiment
In order better the utility model patented technology scheme to be understood, be elaborated below by instantiation and conjunction with figs.:
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 a 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 the 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 " in the utility model.FRP (Fiber Reinforced Plastics) is a 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 utility model 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, premium properties such as in light weight, 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 insulation performance and ageing resistace, has very long life cycle.
The utility model comprises the optical fibre embedded power cable 200 of a kind of single-phase electricity, the optical fibre embedded power cable 200 of this single-phase electricity comprises single copper core cable conductor of being made up of the multiply copper cash, around the interior semiconductive band of described single copper core cable conductor, wrap up described in the 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 semiconductive water blocking layer sheath outward; 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 sinusoidal wave formula.
The concrete Fig. 1 that consults, the fiber optic cable of the multicore special construction that the utility model patent is adopted, 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 the 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 constitute 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 that the utility model is related, comprising single copper core (single-phase electricity) cable conductor 10 of forming by the multiply copper cash, semiconductive band 11 in the polyethylene of parcel conductor 10, the conductor shield of forming by wire netting (band) shape 12 (as: copper etc.) of semiconductive band 11 in the parcel polyethylene, the cross-linked polyolefin of the conductor shield 12 that parcel is made up 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 constitutes by the polyethylene band, the semiconductive water blocking layer 15 that constitutes by polythene material of wrap insulate screen 14, the semi-conductive buffer water-blocking band 16 that constitutes 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 in the utility model, 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 material design.Described material is polyimides or polyvinyl fluoride or high temperature polyamide.
Wherein, optical cable adopts non-metallic structural design.To avoid 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 is fine forms.
Wherein, optical cable has adopted high-intensity material design.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.
The utility model patent 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 special smart functions such as temperature detection, stress sensing, discharge detecting, outside destroy warning, cable load monitoring, optical fiber communication.
The utility model patent 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, " optical cable unification ", " multi-purpose " means easily.
The foregoing description just lists expressivity principle of the present utility model and effect is described, but not is used to limit the utility model.Any personnel that are familiar with this technology all can make amendment to the foregoing description under spirit of the present utility model and scope.Therefore, rights protection scope of the present utility model should be listed as claims.
Claims (10)
1. optical fibre embedded power cable of single-phase electricity, it is characterized in that: the optical fibre embedded power cable of this single-phase electricity comprises the single-phase copper core cable conductor (10) be made up of some strands of copper cash, around the interior semiconductive band (11) of described single-phase copper core cable conductor (10), wrap up described in semiconductive band (11) 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 semiconductive water blocking layer sheath outward; Clamping has fiber optic cable (100) in the described semiconductive water blocking layer; 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.
2. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: described fiber optic cable (100) is laid in sinusoidal wave form in the semiconductive water blocking layer.
3. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: be provided with filling tape (3) in the described aramid fiber layer (4).
4. the optical fibre embedded power cable of single-phase electricity as claimed in claim 3 is characterized in that: described filling tape (3) material is a polyethylene.
5. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: described oversheath (5) material is polyimides or polyvinyl fluoride or high temperature polyamide.
6. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: 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 constitutes.
7. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: 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.
8. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: 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.
9. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: described conductor shield (12) is made up of metal net shaped or banded.
10. the optical fibre embedded power cable of single-phase electricity as claimed in claim 1 is characterized in that: semiconductive band (11) is the polyvinyl carrying material in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201216405U CN201717052U (en) | 2010-03-02 | 2010-03-02 | Single-phase electro-optical fiber embedded power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201216405U CN201717052U (en) | 2010-03-02 | 2010-03-02 | Single-phase electro-optical fiber embedded power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201717052U true CN201717052U (en) | 2011-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201216405U Expired - Fee Related CN201717052U (en) | 2010-03-02 | 2010-03-02 | Single-phase electro-optical fiber embedded power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201717052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194546A (en) * | 2010-03-02 | 2011-09-21 | 上海欧忆智能网络有限公司 | Monophase electric optical fiber embedded power cable |
| CN106448885A (en) * | 2016-11-15 | 2017-02-22 | 江苏华远电缆有限公司 | 110 kV cable |
-
2010
- 2010-03-02 CN CN2010201216405U patent/CN201717052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194546A (en) * | 2010-03-02 | 2011-09-21 | 上海欧忆智能网络有限公司 | Monophase electric optical fiber embedded power cable |
| CN106448885A (en) * | 2016-11-15 | 2017-02-22 | 江苏华远电缆有限公司 | 110 kV cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY Effective date: 20120220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120220 Address after: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Co-patentee after: Shanghai Electric Power Corporation Patentee after: Shanghai Ouyi Intelligent Network Co., Ltd. Address before: 200072, room 912, 901 Xin Lu, Zhabei District, Shanghai Patentee before: Shanghai Ouyi Intelligent Network Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI MUNICIPAL Free format text: FORMER OWNER: SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY Effective date: 20121220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
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 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20130302 |