CN104157361B - A kind of high flame retardant electric power transfer flexible cable - Google Patents
A kind of high flame retardant electric power transfer flexible cable Download PDFInfo
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- CN104157361B CN104157361B CN201410326098.XA CN201410326098A CN104157361B CN 104157361 B CN104157361 B CN 104157361B CN 201410326098 A CN201410326098 A CN 201410326098A CN 104157361 B CN104157361 B CN 104157361B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The present invention discloses a kind of high flame retardant electric power transfer flexible cable, include core, sheath, insulating barrier, insulation screen and protective layer, core is metallic copper core, and described core outer setting has sheath, and wherein two cores being provided with sheath are one group and are wrapped up by described insulating barrier; The core being wherein enclosed with insulating barrier has one group at least; Have insulation screen in described insulating barrier outer setting, the outer surface of described insulation screen is provided with protective layer; Described protective layer is composite material protective layer.The protective layer of composite parts, macromolecular material forms tridimensional network, and adds oxide ceramic material, and be conducive to the intensity and the flame retardant effect that improve protective layer, mechanical performance is excellent.
Description
Technical field
The present invention relates to a kind of flexible electric power cable, particularly relate to a kind of high flame retardant electric power transfer flexible cable.
Background technology
Flexible electric power cable is a kind of cable for transmitting and distribute electric energy.Be usually used in Urban Underground electrical network, the lead line in power station, the in-line power of industrial and mining enterprises and cross river, excessively extra large submarine transmission line.In power circuit, the proportion shared by cable increases just gradually.Flexible electric power cable be the master of electric power system in circuit in order to transmission and the cable product distributing high-power power, comprising 1-500KV and above various electric pressure, the flexible electric power cable of various insulation.
The basic structure of flexible electric power cable is made up of core (conductor), insulating barrier, screen and protective layer four part.(1) core, core is the current-carrying part of power cable, is used for transmission of electric energy, is the major part of power cable.(2) insulating barrier, insulating barrier is isolated from each other between core and the earth and out of phase core on electrically, and ensureing power delivery, is indispensable part in power cable structure.(3) screen, 10KV and above flexible electric power cable generally have conductor shield and insulation screen.(4) effect of protective layer protective layer is the intrusion of protection power cable from introduced contaminants and moisture, and prevents external force from directly damaging electric soft power cable.
Flexible electric power cable has following advantage: be generally embedded in soil or be laid in indoor, raceway groove, and in tunnel, between line, insulation distance is little, without shaft tower, takes up an area few, does not substantially account between hemisphere; Climate condition and surrounding environment influence little, transmission performance stablize, reliability is high; Have to superhigh pressure, the more favorably condition of Large Copacity development, as low temperature, superconductive power cable etc.; Distributed capacitance is larger; Maintenance workload is few; Electric shock possibility is little.
Because flexible electric power cable has above-mentioned plurality of advantages, be widely used, but current power cable also has certain room for promotion in fire resistance, is used for increasing the service life, avoids the generation of contingency.
Because the defect that above-mentioned existing flexible electric power cable exists, the present inventor is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of high flame retardant electric power transfer flexible cable, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
Main purpose of the present invention is, overcomes the defect that existing flexible electric power cable exists, and provides a kind of high flame retardant electric power transfer flexible cable, improves the fire resistance of cable, thus is more suitable for practicality, and have the value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the high flame retardant power cable that the present invention proposes, include core, sheath, insulating barrier, insulation screen and protective layer,
Described core is metallic copper core, and described core outer setting has sheath, and wherein two cores being provided with sheath are one group and are wrapped up by described insulating barrier;
The core being wherein enclosed with insulating barrier has one group at least;
Have insulation screen in described insulating barrier outer setting, the outer surface of described insulation screen is provided with protective layer;
Described protective layer is composite material protective layer.
Further, aforesaid high flame retardant electric power transfer flexible cable, described protective layer comprises following component, is calculated in mass percent,
20 ~ 60 parts of polyvinyl chloride, 1 ~ 10 part of silicon dioxide, 5 ~ 13 parts of copper naphthenates; 3 ~ 8 parts of calcium chloride; 2 ~ 6 parts of yittrium oxide, 10 ~ 18 parts of lactic acid-ethanol copolymers, 5 ~ 15 parts of methacrylic acids; 3 ~ 10 parts of Swebates; 10 ~ 20 parts of allethrins, the protective layer of this kind of composition, macromolecular material forms tridimensional network; and add oxide ceramic material, be conducive to the intensity and the flame retardant effect that improve protective layer.
Further, aforesaid high flame retardant electric power transfer flexible cable, is also provided with conductor shield between described insulating barrier and described insulation screen; Ensure the electric power transfer stability of cable.
Further, aforesaid high flame retardant electric power transfer flexible cable, is provided with watertight composition at described insulation screen outer surface, cable can be protected to have good moisture effect, be conducive to increasing the service life.
Further, aforesaid high flame retardant electric power transfer flexible cable, has flame-retardant layer in described watertight composition outer setting; booster action mutual with protective layer, ensure that the anti-flammability of power cable better, when contingency occurs; the more time can be striven for for rescue work, reduce loss.
Further, aforesaid high flame retardant electric power transfer flexible cable, described flame-retardant layer comprises following component, is calculated in mass percent,
20 ~ 50 parts of epoxy resin, 10 ~ 30 parts of acrylic acid, 1 ~ 8 part of cobalt aluminate, 2 ~ 10 parts of magnesium chlorides, 1 ~ 5 part of antimony trichloride, 5 ~ 15 parts of ammonium sulfate, 5 ~ 16 parts of citric acids, 1 ~ 8 part of carbon black, 3 ~ 10 parts of ammonium dihydrogen phosphates, 1 ~ 10 part of calcium carbonate, polymer and inorganic salts interact, and add ceramic composition, flame retardant effect is excellent.
Further, aforesaid high flame retardant electric power transfer flexible cable, reinforcement body is provided with between the core that many groups are enclosed with insulating barrier, wherein be respectively arranged with intensive aspect and lower intensive aspect at the two sections of described reinforcement body, ensure to use in several cases that there is good transmission stability.
Further, aforesaid high flame retardant electric power transfer flexible cable, described reinforcement body and upper intensive aspect and lower intensive aspect are that integral type is shaping, and structure is more firm.
Further, aforesaid high flame retardant electric power transfer flexible cable, described upper intensive aspect and lower intensive aspect are arcuate member.
By technique scheme, high flame retardant electric power transfer flexible cable of the present invention at least has following advantages:
High flame retardant electric power transfer flexible cable of the present invention is provided with the sandwich constructions such as conductor shield, insulation screen, watertight composition, flame-retardant layer, protective layer, sandwich construction interacts multiple effects such as having shielding, waterproof, fire-retardant, good mechanical property, the wherein protective layer of composite parts, macromolecular material forms tridimensional network, and add oxide ceramic material, be conducive to the intensity and the flame retardant effect that improve protective layer, mechanical performance is excellent; Polymer in flame-retardant layer and inorganic salts interact, and add ceramic composition, and flame retardant effect is excellent.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Figure 1 shows that high flame retardant electric power transfer soft cable structure schematic diagram of the present invention;
Connotation is marked: 10. core, 11. sheaths, 12. insulating barriers, 13. conductor shields, 14. insulation screens, 15. watertight compositions, 16. flame-retardant layers, 17. protective layers, 20. reinforcement bodies, intensive aspect on 21., 22. times intensive aspects in figure.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, to its embodiment of high flame retardant electric power transfer flexible cable proposed according to the present invention, feature and effect thereof, be described in detail as follows.
Embodiment 1
High flame retardant electric power transfer flexible cable of the present invention as shown in Figure 1, includes core 10, sheath 11, insulating barrier 12, conductor shield 13, insulation screen 14, watertight composition 15, flame-retardant layer 16, protective layer 17, reinforcement body 20, upper intensive aspect 21, lower intensive aspect 22.
Wherein core 10 is metallic copper core 10, and core 10 outer setting has sheath 11, and wherein two cores 10 being provided with sheath 11 are one group and are wrapped up by described insulating barrier 12; The core 10 being wherein enclosed with insulating barrier 12 has two groups, and one group of left side is " 8 " type structure, and another group is ellipsoidal structure, and the magnetic field that both are formed interacts, and is conducive to raising efficiency of transmission.Insulation screen 14 is had in insulating barrier 12 outer setting; the outer surface of insulation screen 14 is provided with protective layer 17; conductor shield 13 is also provided with between insulating barrier 12 and insulation screen 14; insulation screen 14 outer surface is provided with watertight composition 15, has flame-retardant layer 16 in watertight composition 15 outer setting.Between the core 10 that two groups are enclosed with insulating barrier 12, be provided with reinforcement body 20, be wherein respectively arranged with intensive aspect 21 and lower intensive aspect 22 at the two sections of reinforcement body 20.Reinforcement body 20 is that integral type is shaping with upper intensive aspect 21 and lower intensive aspect 22.Upper intensive aspect 21 and lower intensive aspect 22 are arcuate member.
Protective layer 17 comprises following component, is calculated in mass percent:
37 parts of polyvinyl chloride, 8 parts of silicon dioxide, 9 parts of copper naphthenates, 4 parts of calcium chloride, 2 parts of yittrium oxide, 12 parts of lactic acid-ethanol copolymers, 7 parts of methacrylic acids, 6 parts of Swebates, 15 parts of allethrins.
Flame-retardant layer 16 comprises following component, is calculated in mass percent:
29 parts of epoxy resin, 15 parts of acrylic acid, 6 parts of cobalt aluminates, 8 parts of magnesium chlorides, 2 parts of antimony trichlorides, 10 parts of ammonium sulfate, 11 parts of citric acids, 4 parts of carbon blacks, 7 parts of ammonium dihydrogen phosphates, 8 parts of calcium carbonate.
Embodiment 2
High flame retardant electric power transfer flexible cable of the present invention, includes core 10, sheath 11, insulating barrier 12, conductor shield 13, insulation screen 14, watertight composition 15, flame-retardant layer 16, protective layer 17, reinforcement body 20, upper intensive aspect 21, lower intensive aspect 22.
Wherein core 10 is metallic copper core 10, and core 10 outer setting has sheath 11, and wherein two cores 10 being provided with sheath 11 are one group and are wrapped up by described insulating barrier 12; The core 10 being wherein enclosed with insulating barrier 12 has two groups, and one group of left side is " 8 " type structure, and another group is ellipsoidal structure, and the magnetic field that both are formed interacts, and is conducive to raising efficiency of transmission.Insulation screen 14 is had in insulating barrier 12 outer setting; the outer surface of insulation screen 14 is provided with protective layer 17; conductor shield 13 is also provided with between insulating barrier 12 and insulation screen 14; insulation screen 14 outer surface is provided with watertight composition 15, has flame-retardant layer 16 in watertight composition 15 outer setting.Between the core 10 that two groups are enclosed with insulating barrier 12, be provided with reinforcement body 20, be wherein respectively arranged with intensive aspect 21 and lower intensive aspect 22 at the two sections of reinforcement body 20.Reinforcement body 20 is that integral type is shaping with upper intensive aspect 21 and lower intensive aspect 22.Upper intensive aspect 21 and lower intensive aspect 22 are arcuate member.
Protective layer 17 comprises following component, is calculated in mass percent:
45 parts of polyvinyl chloride, 6 parts of silicon dioxide, 7 parts of copper naphthenates, 7 parts of calcium chloride, 2 parts of yittrium oxide, 10 parts of lactic acid-ethanol copolymers, 10 parts of methacrylic acids, 3 parts of Swebates, 10 parts of allethrins.
Flame-retardant layer 16 comprises following component, is calculated in mass percent:
35 parts of epoxy resin, 12 parts of acrylic acid, 4 parts of cobalt aluminates, 8 parts of magnesium chlorides, 3 parts of antimony trichlorides, 11 parts of ammonium sulfate, 7 parts of citric acids, 6 parts of carbon blacks, 8 parts of ammonium dihydrogen phosphates, 6 parts of calcium carbonate.
Embodiment 3
High flame retardant electric power transfer flexible cable of the present invention, includes core 10, sheath 11, insulating barrier 12, conductor shield 13, insulation screen 14, watertight composition 15, flame-retardant layer 16, protective layer 17, reinforcement body 20, upper intensive aspect 21, lower intensive aspect 22.
Wherein core 10 is metallic copper core 10, and core 10 outer setting has sheath 11, and wherein two cores 10 being provided with sheath 11 are one group and are wrapped up by described insulating barrier 12; The core 10 being wherein enclosed with insulating barrier 12 has two groups, and one group of left side is " 8 " type structure, and another group is ellipsoidal structure, and the magnetic field that both are formed interacts, and is conducive to raising efficiency of transmission.Insulation screen 14 is had in insulating barrier 12 outer setting; the outer surface of insulation screen 14 is provided with protective layer 17; conductor shield 13 is also provided with between insulating barrier 12 and insulation screen 14; insulation screen 14 outer surface is provided with watertight composition 15, has flame-retardant layer 16 in watertight composition 15 outer setting.Between the core 10 that two groups are enclosed with insulating barrier 12, be provided with reinforcement body 20, be wherein respectively arranged with intensive aspect 21 and lower intensive aspect 22 at the two sections of reinforcement body 20.Reinforcement body 20 is that integral type is shaping with upper intensive aspect 21 and lower intensive aspect 22.Upper intensive aspect 21 and lower intensive aspect 22 are arcuate member.
Protective layer 17 comprises following component, is calculated in mass percent:
43 parts of polyvinyl chloride, 7 parts of silicon dioxide, 6 parts of copper naphthenates, 8 parts of calcium chloride, 4 parts of yittrium oxide, 10 parts of lactic acid-ethanol copolymers, 8 parts of methacrylic acids, 4 parts of Swebates, 10 parts of allethrins.
Flame-retardant layer 16 comprises following component, is calculated in mass percent:
36 parts of epoxy resin, 11 parts of acrylic acid, 5 parts of cobalt aluminates, 7 parts of magnesium chlorides, 5 parts of antimony trichlorides, 9 parts of ammonium sulfate, 6 parts of citric acids, 7 parts of carbon blacks, 4 parts of ammonium dihydrogen phosphates, 10 parts of calcium carbonate.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a high flame retardant electric power transfer flexible cable, is characterized in that, includes core (10), sheath (11), insulating barrier (12), insulation screen (14) and protective layer (17),
Described core (10) is metallic copper core (10), described core (10) outer setting has sheath (11), and wherein two cores (10) being provided with sheath (11) are one group and are wrapped up by described insulating barrier (12);
The core (10) being wherein enclosed with insulating barrier (12) has one group at least;
Have insulation screen (14) in described insulating barrier (12) outer setting, the outer surface of described insulation screen (14) is provided with protective layer (17);
Described protective layer (17) is composite material protective layer;
Described protective layer (17) comprises following component, is calculated in mass percent,
20 ~ 60 parts of polyvinyl chloride, 1 ~ 10 part of silicon dioxide, 5 ~ 13 parts of copper naphthenates, 3 ~ 8 parts of calcium chloride, 2 ~ 6 parts of yittrium oxide, 10 ~ 18 parts of lactic acid-ethanol copolymers, 5 ~ 15 parts of methacrylic acids, 3 ~ 10 parts of Swebates, 10 ~ 20 parts of allethrins.
2. high flame retardant electric power transfer flexible cable according to claim 1, is characterized in that, between described insulating barrier (12) and described insulation screen (14), be also provided with conductor shield (13).
3. the high flame retardant electric power transfer flexible cable according to any one of claim 1 ~ 2, is characterized in that, described insulation screen (14) outer surface is provided with watertight composition (15).
4. high flame retardant electric power transfer flexible cable according to claim 3, is characterized in that, has flame-retardant layer (16) in described watertight composition (15) outer setting.
5. high flame retardant electric power transfer flexible cable according to claim 4, is characterized in that, described flame-retardant layer (16) comprises following component, is calculated in mass percent,
20 ~ 50 parts of epoxy resin, 10 ~ 30 parts of acrylic acid, 1 ~ 8 part of cobalt aluminate, 2 ~ 10 parts of magnesium chlorides, 1 ~ 5 part of antimony trichloride, 5 ~ 15 parts of ammonium sulfate, 5 ~ 16 parts of citric acids, 1 ~ 8 part of carbon black, 3 ~ 10 parts of ammonium dihydrogen phosphates, 1 ~ 10 part of calcium carbonate.
6. high flame retardant electric power transfer flexible cable according to claim 1, it is characterized in that, between the core (10) that many groups are enclosed with insulating barrier (12), be provided with reinforcement body (20), be wherein respectively arranged with upper intensive aspect (21) and lower intensive aspect (22) at the two sections of described reinforcement body (20).
7. high flame retardant electric power transfer flexible cable according to claim 6, is characterized in that, described reinforcement body (20) and upper intensive aspect (21) and lower intensive aspect (22) for integral type shaping.
8. the high flame retardant electric power transfer flexible cable according to claim 6 or 7, is characterized in that, described upper intensive aspect (21) and lower intensive aspect (22) are arcuate member.
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| CN201410326098.XA CN104157361B (en) | 2014-07-09 | 2014-07-09 | A kind of high flame retardant electric power transfer flexible cable |
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| CN201410326098.XA CN104157361B (en) | 2014-07-09 | 2014-07-09 | A kind of high flame retardant electric power transfer flexible cable |
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| CN104157361B true CN104157361B (en) | 2016-04-27 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104867587A (en) * | 2015-04-07 | 2015-08-26 | 江苏亨通线缆科技有限公司 | Weather-resistant composite power supply flexible cable |
| CN106969214A (en) * | 2017-05-14 | 2017-07-21 | 南通德瑞森复合材料有限公司 | A kind of composite glass steel pipe |
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| CN201698817U (en) * | 2010-04-14 | 2011-01-05 | 无锡市长城电线电缆有限公司 | Power cable |
| CN201994092U (en) * | 2011-03-25 | 2011-09-28 | 江苏亨通线缆科技有限公司 | Composite cable of power cable and network cable |
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2014
- 2014-07-09 CN CN201410326098.XA patent/CN104157361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201489873U (en) * | 2009-06-23 | 2010-05-26 | 安徽纵横高科电缆股份有限公司 | Frequency converter soft cable suitable for 1,000V and lower than 1,000V for ships and warships |
| CN201698817U (en) * | 2010-04-14 | 2011-01-05 | 无锡市长城电线电缆有限公司 | Power cable |
| CN201994092U (en) * | 2011-03-25 | 2011-09-28 | 江苏亨通线缆科技有限公司 | Composite cable of power cable and network cable |
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