CN205247971U - Fire -retardant power cable of insulating armor of crosslinked polyethylene - Google Patents
Fire -retardant power cable of insulating armor of crosslinked polyethylene Download PDFInfo
- Publication number
- CN205247971U CN205247971U CN201520954474.XU CN201520954474U CN205247971U CN 205247971 U CN205247971 U CN 205247971U CN 201520954474 U CN201520954474 U CN 201520954474U CN 205247971 U CN205247971 U CN 205247971U
- Authority
- CN
- China
- Prior art keywords
- fire
- power cable
- retardant
- conductor
- crosslinked polyetylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 22
- 229920003020 cross-linked polyethylene Polymers 0.000 title abstract description 6
- 239000004703 cross-linked polyethylene Substances 0.000 title abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 16
- 150000002367 halogens Chemical class 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 10
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 2
- 239000011810 insulating material Substances 0.000 abstract 1
- 238000012946 outsourcing Methods 0.000 abstract 1
- 238000003878 thermal aging Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a fire -retardant power cable of insulating armor of crosslinked polyethylene, be three conductors of circular shape including the cross -section, conductor outside cladding in proper order has conductor shield, fire -retardant band layer, crosslinked polyethylene insulating layer, insulation screen and copper wire or the copper tape shield layer of taking of low smoke and zero halogen to constitute the conductor sinle silk, outside three conductor sinle silks in proper order the cladding have fire -retardant butyronitrile inner liner, outsourcing lacing, interior sheath, armor and outer jacket, the clearance intussuseption is filled with the filler between conductor sinle silk and the fire -retardant butyronitrile inner liner. It adopts the insulating material of crosslinked polyethylene to replace polyvinyl chloride, through setting up the fire -retardant layer of high performance, increases substantially thermal aging, insulating nature, resistance to chemical corrosion and fire behaviour to increase tensile strength, compressive strength, the anti external force performance of cable through addding outer cover structure, improve erosion resistance ability, increase of service life.
Description
Technical field
The utility model relates to power cable technical field, especially relates to a kind of crosslinked polyetylene insulated armouringFlame-proof power cable.
Background technology
PVC insulated power cable is widely used because of its low cost, advantage simple in structure. But,Polyvinyl chloride contains halogen and in the time that cable runs into fire condition, burns that hydrogen chloride etc. is detrimental to health by producingPoisonous gas, has also increased fire fighter and has rescued the difficulty of people, fire fighting. In recent years, along with power cable industryFast development, power cable with cross-linked polyethylene insulation as an alternative product has started to widely popularize application gradually.How to strengthen the fire resistance of crosslinked polyethylene conductor cable, raising wearability, anti-external mechanical influence powerThe key point that technological innovation becomes industry seeks technological break-through.
Utility model content
The utility model is for the deficiencies in the prior art, and technical problem to be solved is to provide a kind of crosslinked poly-Ethene insulation armouring flame-proof power cable, it adopts crosslinked polyetylene insulated material to substitute polyvinyl chloride, passes throughHigh-performance refractory layer is set, increases substantially heat-resistant aging, insulating properties, chemical resistance and anti-flammabilityCan, and by setting up tensile strength, compression strength, the external force resistance performance of sheathed structure increase cable, improveErosion prevention, increases the service life.
The utility model is to make by the following technical programs above-mentioned technical problem be solved.
Crosslinked polyetylene insulated armouring flame-proof power cable, comprises that cross section is three circular conductors, outside conductorSide is coated with conductor shield, low-smoke non-halogen flame-retardant band belting layer, crosslinked polyetylene insulated layer, insulation successivelyScreen layer and copper wire or copper strip shielding layer form conductor thread core, and three conductor thread core outsides are coated with resistance successivelyCombustion butyronitrile inner liner, outer belting layer, sheath, armor and outer jacket, in conductor thread core and fire-retardant butyronitrileBetween lining, in gap, be filled with filler.
As preferably, between low-smoke non-halogen flame-retardant band belting layer and crosslinked polyetylene insulated layer, be filled with glass fibersDimension silk.
As preferably, between armor and sheath, be filled with glass fiber.
As preferably, outer belting layer is low-smoke non-halogen flame-retardant band material-structure.
As preferably, sheath is polyethylene, polyvinyl chloride or polyolefin material-structure.
As preferably, outer jacket is polyethylene, polyvinyl chloride or low smoke, zero halogen polyolefin material-structure.
As preferably, armor is two steel bands, finer wire, thicker wire or nonmagnetic metal band sheathed structure.
As preferably, conductor is copper core or aluminium core.
The beneficial effects of the utility model:
Be applicable in rated voltage 35kV and following power transmission and distribution system, for transmission & distribution electric energy. ExtensivelyFor departments such as electric power, building, operating mode, metallurgy, petrochemical industry, traffic, can substitute oil-paper completelyInsulated power cable and part substitute PVC insulated power cable. By setting up low-smoke non-halogen flame-retardant band bagBelt, outer belting layer, filled glass fiber silk, makes it have better anti-flammability, heat resistance and resistance toChemical corrosion resistance. And by being set, strengthens sheathed structure tensile strength, the compression strength, anti-of cableExternal force performances etc., have improved erosion prevention, have extended service life.
Brief description of the drawings
Fig. 1 is section structure schematic diagram of the present utility model.
In figure: 1-conductor, 2-conductor shield, 3-low-smoke non-halogen flame-retardant band belting layer, the crosslinked polyetylene insulated layer of 4-,5-insulation screen, 6-copper wire or copper strip shielding layer, the fire-retardant butyronitrile inner liner of 7-, the outer belting layer of 8-, protects in 9-Layer, 10-armor, 11-outer jacket, 12-filler.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in detail below by embodiment.
The crosslinked polyetylene insulated armouring flame-proof power cable of the utility model as shown in Figure 1, is applicable to specifiedIn voltage 35kV and following power transmission and distribution system, for transmission & distribution electric energy, can be widely used in electric power, buildBuild, the department such as operating mode, metallurgy, petrochemical industry, traffic. It comprises that cross section is three circular conductors 1, leadsBody 1 may be selected to be copper core or aluminium core. Conductor 1 outside is coated with conductor shield 2, low-smoke non-halogen flame-retardant successivelyBand belting layer 3, crosslinked polyetylene insulated layer 4, insulation screen 5 and copper wire or copper strip shielding layer 6 formConductor thread core, can be between low-smoke non-halogen flame-retardant band belting layer 3 and crosslinked polyetylene insulated layer 4 filling glassFilament, further strengthens fire resistance. Three conductor thread cores outside be coated with successively fire-retardant butyronitrile inner liner 7,Outer belting layer 8, sheath 9, armor 10 and outer jacket 11, conductor thread core and fire-retardant butyronitrile inner liner 7Between be filled with filler 12 in gap, between armor 10 and sheath 9, can select filled glass fiber silk.Outer belting layer 8 can adopt low-smoke non-halogen flame-retardant band material-structure. Sheath 9 is chosen as polyethylene, polychlorostyrene secondAlkene or polyolefin material-structure. Outer jacket 11 is chosen as polyethylene, polyvinyl chloride or low smoke, zero halogen polyeneHydrocarbon material-structure. Armor 10 can adopt two steel bands, finer wire, thicker wire or nonmagnetic metal band armouringStructure. Rated voltage 35kV and following be divided into 3.6/6kV, 6/6kV, 6/10kV, 8.7/10kV, 8.7/15kV,12/20kV, 18/30kV, 21/35kV, 26/35kV are all applicable to the utility model, and conductor is allowed for a long timeMaximum operating temperature be 90 degree, when short circuit, maximum length in time is no more than 5 seconds, the highest temperature of cable conductorDegree is no more than 250 degree. The utility model is that three core sheathed structure minimum bending radius are not less than the outside diameter of cable12 times. Cable laying is not limited by drop.
The utility model is not limited to above-described preferred embodiment, based on those skilled in the art instituteThe known technology that can know or adopt various distortion that institute in prior art can equivalence replacement and changeEmbodiment, every based on spirit of the present utility model or technical conceive, all should be included in the utility modelProtection domain within.
Claims (8)
1. crosslinked polyetylene insulated armouring flame-proof power cable, is characterized in that: comprise that cross section is three circular conductors(1), conductor (1) outside be coated with successively conductor shield (2), low-smoke non-halogen flame-retardant band belting layer (3),Crosslinked polyetylene insulated layer (4), insulation screen (5) and copper wire or copper strip shielding layer (6) form leadsBody core, three conductor thread cores outside be coated with successively fire-retardant butyronitrile inner liner (7), outer belting layer (8),Sheath (9), armor (10) and outer jacket (11), conductor thread core and fire-retardant butyronitrile inner liner (7)Between be filled with filler (12) in gap.
2. crosslinked polyetylene insulated armouring flame-proof power cable according to claim 1, is characterized in that: low cigarette withoutBetween halogen inhibiting tape belting layer (3) and crosslinked polyetylene insulated layer (4), be filled with glass fiber.
3. crosslinked polyetylene insulated armouring flame-proof power cable according to claim 1, is characterized in that: armor(10) and between sheath (9) be filled with glass fiber.
4. crosslinked polyetylene insulated armouring flame-proof power cable according to claim 1, is characterized in that: outer bandLayer (8) is low-smoke non-halogen flame-retardant band material-structure.
5. crosslinked polyetylene insulated armouring flame-proof power cable according to claim 1, is characterized in that: sheath(9) be polyethylene, polyvinyl chloride or polyolefin material-structure.
6. crosslinked polyetylene insulated armouring flame-proof power cable according to claim 1, is characterized in that: outer jacket(11) be polyethylene, polyvinyl chloride or low smoke, zero halogen polyolefin material-structure.
7. crosslinked polyetylene insulated armouring flame-proof power cable according to claim 1, is characterized in that: armor(10) be two steel bands, finer wire, thicker wire or nonmagnetic metal band sheathed structure.
8. crosslinked polyetylene insulated armouring flame-proof power cable according to claim 1, is characterized in that: conductor (1)For copper core or aluminium core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520954474.XU CN205247971U (en) | 2015-11-26 | 2015-11-26 | Fire -retardant power cable of insulating armor of crosslinked polyethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520954474.XU CN205247971U (en) | 2015-11-26 | 2015-11-26 | Fire -retardant power cable of insulating armor of crosslinked polyethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205247971U true CN205247971U (en) | 2016-05-18 |
Family
ID=55947053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520954474.XU Expired - Fee Related CN205247971U (en) | 2015-11-26 | 2015-11-26 | Fire -retardant power cable of insulating armor of crosslinked polyethylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205247971U (en) |
-
2015
- 2015-11-26 CN CN201520954474.XU patent/CN205247971U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 |