CN110289134B - Optical fiber composite intelligent cable for strong intelligent power grid - Google Patents
Optical fiber composite intelligent cable for strong intelligent power grid Download PDFInfo
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- CN110289134B CN110289134B CN201910418586.6A CN201910418586A CN110289134B CN 110289134 B CN110289134 B CN 110289134B CN 201910418586 A CN201910418586 A CN 201910418586A CN 110289134 B CN110289134 B CN 110289134B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/328—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising violation sensing means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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Abstract
The invention discloses an optical fiber composite intelligent cable for a strong intelligent power grid, which comprises an inner protective layer, a water cooling pipe, 1 optical cable core wire and 3 electric power core wires, the water cooling pipe is sleeved with a plurality of framework units which are distributed along the length direction of the cable, the framework unit comprises a central pipe, 3 metal heat-conducting blocks, 1 supporting and fixing block and 4 partition plates fixed with the central pipe, the metal heat conducting block is provided with a first groove for accommodating the electric power core wire, the supporting and fixing blocks are provided with second grooves for accommodating the optical cable core wire, each heat conducting metal block and two adjacent partition plates are fixed through heat conducting glue, each supporting and fixing block and two adjacent partition plates are fixed through bonding glue, the inner sheath layer surrounds the 1 optical cable core wire and the 3 electric power core wires, and an outer sheath is arranged outside the inner sheath layer. The cable is not easy to generate heat and has long service life.
Description
Technical Field
The invention relates to the field of cables, in particular to an optical fiber composite intelligent cable for a strong intelligent power grid.
Background
The cable is made of one or more conductors insulated from each other and a conductive wire covered with an insulating protective layer to transmit power or information from one place to another, and the cable may be divided into various cables such as a power cable, a signal cable, etc. according to the use, and in some uses, power transmission and signal transmission are combined. The cable used in the power grid is easy to cause heating of the cable due to large power transmission quantity in some cases, and has the problem of being bitten, and if the biting cannot be found in time, potential safety hazards exist. Many of the existing cables can only be observed by naked eyes whether the cable is bitten or not.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provides a strong optical fiber composite intelligent cable for an intelligent power grid.
The technical scheme is as follows: a cable comprises an inner sheath, a water-cooling pipe, 1 optical cable core and 3 electric power cores, wherein the water-cooling pipe is sleeved with a plurality of framework units, the framework units are distributed along the length direction of the cable, each framework unit comprises a central pipe, 3 metal heat-conducting blocks, 1 supporting fixing block and 4 partition plates fixed with the central pipe, the 4 partition plates are respectively a first partition plate, a second partition plate, a third partition plate and a fourth partition plate, 1 metal heat-conducting block is fixed between the first partition plate and the second partition plate, 1 metal heat-conducting block is fixed between the second partition plate and the third partition plate, 1 metal heat-conducting block is fixed between the third partition plate and the fourth partition plate, 1 supporting fixing block is fixed between the first partition plate and the fourth partition plate, the metal heat-conducting block is provided with a first groove for accommodating the electric power cores, the supporting fixing block is provided with a second groove for accommodating the optical cable cores, each heat-conducting metal block and two adjacent partition plates are fixed through heat-conducting glue, each supporting and fixing block and two adjacent partition plates are fixed through bonding glue, the inner protection layer surrounds the 1 optical cable core wire and the 3 electric power core wires, and an outer sheath is arranged outside the inner protection layer; the optical cable core wire comprises a first stainless steel tube and a plurality of optical fibers positioned in the first stainless steel tube; the electric power core wire sequentially comprises a conductor, an insulating layer, a shielding layer, a flame-retardant layer, an armor layer and a core wire protective layer from inside to outside.
Furthermore, the number of the framework units is more than or equal to 10, and the adjacent framework units are distributed at equal intervals.
Further, the first stainless steel pipe is filled with optical fiber ointment.
The optical fiber ointment can protect light.
Further, the flame-retardant layer is a low-smoke halogen-free flame-retardant layer; the insulating layer is a polyethylene insulating layer; the central tube and the divider plate are made of plastic.
Other materials can be selected according to the requirement, conventional materials can be selected for flame retardance, insulation, the inner protection layer and the outer sheath, and the invention of the application is not in the material, but in the structure between the materials.
Further, a detection portion is further arranged between the inner protection layer and the outer protection layer and comprises a second stainless steel pipe and a plurality of biting detection units, the biting detection units are distributed along the length direction of the cable, the biting detection units comprise a plurality of detection pipes extending along the length direction of the cable, the plurality of detection pipes of the same biting detection unit are distributed in an annular mode, adjacent detection pipes are connected through a first connecting pipe, two detection pipes at the extreme end in the same biting detection unit are respectively a first detection pipe and a second detection pipe, the first detection pipe is connected with the second stainless steel pipe through a second connecting pipe, a check valve is arranged in the second connecting pipe, the second detection pipe is communicated with a detection through hole, a detection valve is arranged in the detection through hole, the second stainless steel pipe is connected with an inflation hole, an air nozzle is arranged in the inflation hole, and the second detection pipe is connected with a first connecting belt, the second stainless steel pipe is connected with a second connecting belt, and the first connecting belt and the second connecting belt are bonded through bonding glue; the detection through hole and the inflation hole are communicated with the outer surface of the outer sheath.
Further, the number of the bite detection units is more than or equal to 10; each bite detection unit comprises 6 detection tubes; the outer side of the inner sheath layer is provided with 6 third grooves and 1 fourth groove, the third grooves are used for accommodating the detection tubes, and the fourth grooves are used for accommodating the second stainless steel tubes; a connecting rope is connected between two detection tubes of two adjacent bite detection units, which are positioned in the same third groove; every second detection tube fixedly connected with has 2 first connecting bands, the quantity of the second connecting band that the nonrust steel pipe of second is connected equals the quantity of all first connecting bands that the cable contains, and every second connecting band and every first connecting band one-to-one.
The invention also discloses a preparation method of the cable, which comprises the following steps:
1) preparing the electric power core wire, the optical cable core wire, the water cooling pipe, the framework unit and the detection part;
2) the central pipes of the plurality of framework units penetrate through the water-cooled tube and are fixed on the water-cooled tube through heat-conducting glue, and the plurality of framework units are distributed at the position of the water-cooled tube at equal intervals;
3) placing each power core wire at the first groove, placing the optical cable core wires at the second groove, and extruding the inner protective layer by using an extruding machine to surround 3 power core wires and 1 optical cable core wire;
4) the detection part surrounds the inner protection layer, the second stainless steel pipe is placed at the fourth groove, the detection pipe is placed at the third groove, and each first connecting belt and one second connecting belt are fixedly bonded;
5) an extruded outer sheath surrounding the detection portion;
6) processing an inflation through hole and a plurality of detection through holes, installing an air nozzle at the inflation through hole, and installing a detection valve at the detection through hole; wherein the inflation through hole is communicated with the second stainless steel pipe; each detection through hole corresponds to one biting detection unit and is communicated with a second detection pipe of the biting detection unit.
Has the advantages that: compared with the existing cable, the cable provided by the invention has the following advantages:
1. the cable integrates 3 power core wires and 1 optical cable core wire, and can simultaneously transmit power signals and optical signals;
2. the center of the cable is provided with a water-cooling pipe and a framework unit, and the framework unit is provided with a heat conduction block, so that the water-cooling pipe can carry out water cooling on a plurality of power core wires;
3. and the outside of cable has surrounded detecting element, if there is the mouse ant to bite the cable, can in time detect through detecting to be convenient for maintain the cable.
Drawings
FIG. 1 is a schematic cross-sectional view of a cable;
FIG. 2 is a schematic sectional view taken along line A-A' of FIG. 1;
FIG. 3 is a schematic view of the detecting part.
Detailed Description
Reference numerals: 1.1 water-cooling tubes; 1.2 heat-conducting glue; 1.3 central tube; 1.4 a divider; 1.5 metal heat conducting blocks; 1.6 supporting the fixed block; 1.7 inner protecting layer; 1.8 outer sheath; 2.1 a conductor; 2.2 an insulating layer; 2.3 a shielding layer; 2.4 flame retardant layer; 2.5 an armor layer; 2.6 core wire protective layer; 3.1 a first stainless steel tube; 3.2 an optical fiber; 4.1 detecting tube; 4.1.1 connecting ropes; 4.2 first connecting pipe; 4.3 second stainless steel tube; 4.4 second connecting pipe; 4.5 a one-way valve; 4.6 first connecting belt; 4.7 second connecting band; 5.1 detecting the valve; 5.2 air tap.
The optical fiber composite intelligent cable for the strong intelligent power grid is characterized by comprising an inner protection layer 1.7, a water cooling pipe 1.1, 1 optical cable core wire and 3 electric power core wires, wherein the water cooling pipe is sleeved with a plurality of framework units, the framework units are distributed along the length direction of the cable, each framework unit comprises a central pipe 1.3, 3 metal heat conduction blocks 1.5, 1 supporting and fixing block 1.6 and 4 partition plates 1.4 fixed with the central pipe, the 4 partition plates are respectively a first partition plate, a second partition plate, a third partition plate and a fourth partition plate, 1 metal heat conduction block 1.5 is fixed between the first partition plate and the second partition plate, 1 metal heat conduction block 1.5 is fixed between the second partition plate and the third partition plate, 1 metal heat conduction block 1.5 is fixed between the third partition plate and the fourth partition plate, 1 supporting and fixing block 1.6 is fixed between the first partition plate and the fourth partition plate, each metal heat conduction block is provided with a first groove for accommodating the electric power core wire, the supporting and fixing blocks are provided with second grooves for accommodating the optical cable core wires, each heat-conducting metal block 1.5 is fixed with two adjacent partition plates 1.4 through heat-conducting glue, each supporting and fixing block 1.6 is fixed with two adjacent partition plates through bonding glue, the inner protection layer surrounds the 1 optical cable core wire and the 3 electric power core wires, and an outer sheath is arranged outside the inner protection layer; the optical cable core wire comprises a first stainless steel tube 3.1 and a plurality of optical fibers 3.2 positioned in the first stainless steel tube 3.1; the electric power core wire sequentially comprises a conductor 2.1, an insulating layer 2.2, a shielding layer 2.3, a flame-retardant layer 2.4, an armor layer 2.5 and a core wire protective layer 2.6 from inside to outside.
The number of the framework units is more than or equal to 10, and the adjacent framework units are distributed at equal intervals. And the first stainless steel pipe is filled with optical fiber ointment. The flame-retardant layer is a low-smoke halogen-free flame-retardant layer; the insulating layer is a polyethylene insulating layer; the central tube and the divider plate are made of plastic.
As shown in figures 1 and 2, due to the fact that the framework unit and the water cooling pipe are arranged, the extrusion resistance of the cable is objectively improved, a plurality of power core wires are abutted to the metal heat conducting block, the metal heat conducting block can be made of aluminum alloy or copper aluminum alloy, heat of the power core wires is transferred to the metal heat conducting block, and therefore heat can be rapidly dissipated through the water cooling pipe.
Still have the detection part between inner sheath 1.7 and oversheath 1.8, the detection part includes that second stainless steel pipe 4.3 and a plurality of bite sting detecting element, a plurality of bite sting detecting element distribute along cable length direction, bite and sting detecting element and include a plurality of detecting tube 4.1 that extend along cable length direction, one bite sting detecting element a plurality of detecting tube 4.1 and be the annular distribution, adjacent detecting tube 4.1 is connected through first connecting pipe 4.2, one bite and sting two detecting tubes of tip respectively for first detecting tube and second detecting tube in the detecting element, first detecting tube passes through the second connecting pipe and is connected with second stainless steel pipe 4.3, have check valve 4.5 in the second connecting pipe 4.4, second detecting tube 4.1 and detection through-hole intercommunication, detection through-hole has detection valve 5.1, second stainless steel pipe 4.3 is connected with the gas charging hole, the downthehole is installed the air cock 5.2, the second detection tube 4.1 is connected with a first connecting belt 4.6, the second stainless steel tube 4.3 is connected with a second connecting belt 4.7, and the first connecting belt 4.6 and the second connecting belt 4.7 are bonded by bonding glue; the detection through hole and the inflation hole are both communicated with the outer surface of the outer sheath (namely the detection through hole and the inflation through hole extend to the outer surface of the outer sheath). The number of the bite detection units is more than or equal to 10; each bite detection unit comprises 4.1 detection tubes 6; the outer side of the inner sheath layer is provided with 6 third grooves and 1 fourth groove, the third grooves are used for accommodating the detection tubes 4.1, and the fourth grooves are used for accommodating the second stainless steel tubes 4.3; a connecting rope is connected between two detection tubes 4.1 of two adjacent bite detection units, which are positioned in the same third groove; every second detection tube fixedly connected with 2 first connecting bands 4.6, the quantity of the second connecting band 4.7 that the second stainless steel pipe is connected equals the quantity of all first connecting bands 4.6 that the cable contains, and every second connecting band 4.7 and every first connecting band 4.6 one-to-one correspond.
As shown in fig. 1-3, the second stainless steel tube 4.3 can be inflated by the air nozzle 5.2 of the inflation through hole of the second stainless steel tube 4.3, and the air in the second stainless steel tube 4.3 can enter each detection unit 4.1 through the one-way valve 4.5, and the detection tubes 4.1 of the same detection unit are communicated with each other. The air pressure detector and the detection pipe 4.1 can be communicated through a detection valve 5.1 at the detection pipe 4.1 to detect the air pressure in the detection pipe; if a plurality of detection tubes 4.1 of a certain detection unit are not bitten or scratched, the air pressure measurement value is relatively large (and the measurement value is unchanged after the air nozzle of the second stainless steel tube is stopped to be inflated); if more than one detector tube of a certain detector unit is broken, the measured value of the air pressure is relatively small, and the measured value may change due to air leakage. The detection can detect which detection units are damaged, and the detection units are distributed along the length direction of the cable, so that the detection not only can detect whether the cable is damaged, but also can detect which section is damaged.
The specific cable manufacturing method comprises the following steps:
a preparation method of a strong optical fiber composite intelligent cable for an intelligent power grid is characterized by comprising the following steps:
1) preparing the electric power core wire, the optical cable core wire, the water cooling pipe, the framework unit and the detection part; the part in the step 1) can be manufactured in a conventional mode, and the power core wire can be manufactured in a multi-layer extrusion molding mode; the central tube and the separating part of the framework unit can be integrally formed, or can be separately manufactured and then fused and welded for fixation;
2) the central pipes of the plurality of framework units penetrate through the water-cooled tube and are fixed on the water-cooled tube through heat-conducting glue, and the plurality of framework units are distributed at the position of the water-cooled tube at equal intervals; the purpose is to sleeve a plurality of framework units on the water cooling pipe, and the framework units are provided with a plurality of heat conducting blocks and a supporting fixed block;
3) placing each power core wire at the first groove, placing the optical cable core wires at the second groove, and extruding the inner protective layer by using an extruding machine to surround 3 power core wires and 1 optical cable core wire; the power core wire is tightly attached to the metal heat conducting block, so that heat dissipation is easier; and the extrusion molding die is specially made, and the inner protective layer after extrusion molding is provided with a third groove and a fourth groove
4) The detection part surrounds the inner protection layer, the second stainless steel pipe is placed at the fourth groove, the detection pipe is placed at the third groove, and each first connecting belt and one second connecting belt are fixedly bonded; the detecting tube can be the rubber tube, and the detecting tube can be so that place more laminating to the nonrust steel pipe of second is placed respectively to third recess and fourth recess, and be between the detecting tube of adjacent detecting element to have the connection rope (the connection rope can be the rubber rope), and first connecting band and second connecting band bonding are fixed, thereby can wrap up the detection portion outside interior sheath, and a plurality of detecting element (every detecting element has 6 the detecting tube that the cross-section is ring distribution as shown in fig. 1) distributes along cable length direction.
5) An extruded outer sheath surrounding the detection portion; the detection part is protected.
6) Processing an inflation through hole and a plurality of detection through holes, installing an air nozzle at the inflation through hole, and installing a detection valve at the detection through hole; wherein the inflation through hole is communicated with the second stainless steel pipe; each detection through hole corresponds to one biting detection unit and is communicated with a second detection pipe of the biting detection unit. And processing a detection through hole and an inflation through hole after the cable is formed, and installing an air nozzle and a valve. The inflation through hole and the detection through hole can be processed in a drilling and machining mode.
When in detection, the air is firstly inflated through the air nozzle at the inflating through hole, and after the inflation is finished, the air pressure detector is communicated with the interior of the detection tube through the valve of the detection through hole; when the measured value is larger and constant, the detection tube is not damaged; when the measured value of the air pressure detector is smaller or gradually becomes smaller, the detection tube is broken. Each detection unit needs to be detected one by one. When the cable is damaged, no potential safety hazard is indicated, and when the cable is damaged, the potential safety hazard is indicated, reinforcement treatment needs to be performed at the position, such as adding a protective sleeve, and the cable can be replaced.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (5)
1. The optical fiber composite intelligent cable for the strong intelligent power grid is characterized by comprising an inner protection layer, a water cooling pipe, 1 optical cable core wire and 3 electric power core wires, wherein the water cooling pipe is sleeved with a plurality of framework units, the framework units are distributed along the length direction of the cable, each framework unit comprises a central pipe, 3 metal heat-conducting blocks, 1 supporting and fixing block and 4 partition plates fixed with the central pipe, the 4 partition plates are respectively a first partition plate, a second partition plate, a third partition plate and a fourth partition plate, 1 metal heat-conducting block is fixed between the first partition plate and the second partition plate, 1 metal heat-conducting block is fixed between the second partition plate and the third partition plate, 1 metal heat-conducting block is fixed between the third partition plate and the fourth partition plate, 1 supporting and fixing block is fixed between the first partition plate and the fourth partition plate, and the metal heat-conducting block is provided with a first groove for accommodating the electric power core wires, the supporting and fixing blocks are provided with second grooves for accommodating the optical cable core wires, each heat-conducting metal block is fixed with two adjacent partition plates through heat-conducting glue, each supporting and fixing block is fixed with two adjacent partition plates through bonding glue, the inner protection layer surrounds the 1 optical cable core wire and the 3 electric power core wires, and an outer sheath is arranged outside the inner protection layer; the optical cable core wire comprises a first stainless steel tube and a plurality of optical fibers positioned in the first stainless steel tube; the electric power core wire sequentially comprises a conductor, an insulating layer, a shielding layer, a flame-retardant layer, an armor layer and a core wire protective layer from inside to outside;
the detection part is arranged between the inner protection layer and the outer protection layer and comprises a second stainless steel pipe and a plurality of biting detection units, the biting detection units are distributed along the length direction of the cable, the biting detection units comprise a plurality of detection pipes extending along the length direction of the cable, the cross sections of the detection pipes biting the detection units are distributed annularly, adjacent detection pipes are connected through a first connecting pipe, the two detection pipes at the most end part in the biting detection unit are respectively a first detection pipe and a second detection pipe, the first detection pipe is connected with the second stainless steel pipe through a second connecting pipe, a check valve is arranged in the second connecting pipe, the second detection pipe is communicated with a detection through hole, a detection valve is arranged in the detection through hole, the second stainless steel pipe is connected with an inflation hole, an air nozzle is arranged in the inflation hole, and the second detection pipe is connected with a first connecting belt, the second stainless steel pipe is connected with a second connecting belt, and the first connecting belt and the second connecting belt are bonded through bonding glue; the detection through hole and the inflation hole are both communicated with the outer surface of the outer sheath;
the number of the bite detection units is more than or equal to 10; each bite detection unit comprises 6 detection tubes; the outer side of the inner sheath layer is provided with 6 third grooves and 1 fourth groove, the third grooves are used for accommodating the detection tubes, and the fourth grooves are used for accommodating the second stainless steel tubes; a connecting rope is connected between two detection tubes of two adjacent bite detection units, which are positioned in the same third groove; every second detection tube fixedly connected with has 2 first connecting bands, the quantity of the second connecting band that the nonrust steel pipe of second is connected equals the quantity of all first connecting bands that the cable contains, and every second connecting band and every first connecting band one-to-one.
2. The optical fiber composite smart cable for the strong smart grid according to claim 1, wherein the number of the skeleton units is greater than or equal to 10, and the adjacent skeleton units are distributed at equal intervals.
3. The optical fiber composite smart cable for the strong smart grid according to claim 1, wherein the first stainless steel tube is filled with optical fiber ointment.
4. The optical fiber composite smart cable for the strong smart grid according to claim 1, wherein the flame retardant layer is a low smoke zero halogen flame retardant layer; the insulating layer is a polyethylene insulating layer; the central tube and the partition plate are made of plastic; the supporting fixing block is made of plastic.
5. The preparation method of the optical fiber composite smart cable for the strong smart grid according to claim 1, comprising the following steps:
1) preparing the electric power core wire, the optical cable core wire, the water cooling pipe, the framework unit and the detection part;
2) the central pipes of the plurality of framework units penetrate through the water-cooled tube and are fixed on the water-cooled tube through heat-conducting glue, and the plurality of framework units are distributed at the position of the water-cooled tube at equal intervals;
3) placing each power core wire at the first groove, placing the optical cable core wires at the second groove, and extruding the inner protective layer by using an extruding machine to surround 3 power core wires and 1 optical cable core wire;
4) the detection part surrounds the inner protection layer, the second stainless steel pipe is placed at the fourth groove, the detection pipe is placed at the third groove, and each first connecting belt and one second connecting belt are fixedly bonded;
5) an extruded outer sheath surrounding the detection portion;
6) processing an inflation through hole and a plurality of detection through holes, installing an air nozzle at the inflation through hole, and installing a detection valve at the detection through hole; wherein the inflation through hole is communicated with the second stainless steel pipe; each detection through hole corresponds to one biting detection unit and is communicated with a second detection pipe of the biting detection unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910418586.6A CN110289134B (en) | 2019-05-20 | 2019-05-20 | Optical fiber composite intelligent cable for strong intelligent power grid |
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| CN201910418586.6A CN110289134B (en) | 2019-05-20 | 2019-05-20 | Optical fiber composite intelligent cable for strong intelligent power grid |
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| CN110289134A CN110289134A (en) | 2019-09-27 |
| CN110289134B true CN110289134B (en) | 2021-12-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599517B (en) * | 2020-03-21 | 2021-08-20 | 山东中迈电缆有限公司 | High-flame-retardant high-shielding torsion-resistant cable |
| WO2022016496A1 (en) * | 2020-07-24 | 2022-01-27 | 江苏华能电缆股份有限公司 | Distributed sensing load bearable detective cable |
| CN111863336B (en) * | 2020-08-04 | 2021-07-02 | 江苏江扬特种电缆有限公司 | Cable for shore power system |
| CN112164503B (en) * | 2020-09-01 | 2021-12-03 | 江苏恒辉电气有限公司 | High-performance environment-friendly direct-current traction cable for rail transit vehicle |
| CN115116666B (en) * | 2022-07-15 | 2024-10-18 | 江苏润华电缆股份有限公司 | High-efficient transmission multilayer shielding control cable |
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| US7202418B2 (en) * | 2004-01-07 | 2007-04-10 | Cable Components Group, Llc | Flame retardant and smoke suppressant composite high performance support-separators and conduit tubes |
| EP3216030B1 (en) * | 2014-11-07 | 2020-05-06 | Cable Components Group, LLC | Compositions for compounding, extrusion and melt processing of foamable and cellular halogen-free polymers |
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| CN2169899Y (en) * | 1993-06-27 | 1994-06-22 | 王德洪 | Water cooling cable |
| CN2762295Y (en) * | 2004-08-17 | 2006-03-01 | 毕耜超 | Cable with aluminium alloy water pipe for cooling |
| CN102915807A (en) * | 2012-11-14 | 2013-02-06 | 中天日立光缆有限公司 | Optical fiber composite aerial insulated cable and production method thereof |
| CN107665752A (en) * | 2017-08-28 | 2018-02-06 | 晏正香 | A kind of compound water-cooled cable |
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| CN110289134A (en) | 2019-09-27 |
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