CN106601358A - Flame retardant cable - Google Patents
Flame retardant cable Download PDFInfo
- Publication number
- CN106601358A CN106601358A CN201611215856.6A CN201611215856A CN106601358A CN 106601358 A CN106601358 A CN 106601358A CN 201611215856 A CN201611215856 A CN 201611215856A CN 106601358 A CN106601358 A CN 106601358A
- Authority
- CN
- China
- Prior art keywords
- flame
- sheath
- insulator
- twisted pair
- cable
- 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.)
- Pending
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 113
- 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 title claims abstract description 82
- 239000012212 insulator Substances 0.000 claims abstract description 92
- 239000004020 conductor Substances 0.000 claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010949 copper Substances 0.000 claims abstract description 36
- 229910052802 copper Inorganic materials 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 24
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 19
- 150000002367 halogens Chemical class 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 18
- 238000012856 packing Methods 0.000 claims description 7
- 229910000906 Bronze Inorganic materials 0.000 claims 1
- 239000010974 bronze Substances 0.000 claims 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract 2
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 2
- 239000004800 polyvinyl chloride Substances 0.000 abstract 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 17
- 238000004079 fireproofing Methods 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 13
- 239000004033 plastic Substances 0.000 description 13
- 229920001903 high density polyethylene Polymers 0.000 description 12
- 239000004700 high-density polyethylene Substances 0.000 description 12
- 229920000728 polyester Polymers 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 241001463139 Vitta Species 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The present invention provides a flame retardant cable which comprises a sheath, multiple twisted pairs in the sheath, and a filling rope at the center of the sheath. The sheath comprises an outer sheath made of a polyvinyl chloride or low smoke zero halogen material, a flame retardant layer adjacent to the outer sheath, and a first coating layer adjacent to the flame retardant layer. Each of the twisted pairs comprises a first insulator, a first copper conductor in the first insulator, a second insulator twisted with the first insulator, and a second copper conductor in the second insulator. The flame retardant cable is coated with or weaved with a special flame retardant material, the sheath is made of a special flame retardant performance PVC or a special flame retardant performance LSOH, and so a data cable has high fire resistance performance on flame retardance.
Description
Technical field
The invention belongs to technical field of cables, more particularly to a kind of flame-retardant cable.
Background technology
With the frequent generation of fire incident, people constantly deepen the understanding to electric wire fire risk, to electric wire
The requirement of cable fire-proof performance also more and more higher.Available data cable adopts twisted pair construction, copper conductor or other alloys to lead
Body, is filled with PE skeletons during stranding using high density polyethylene (HDPE) (HDPE) or foaming PE insulation as transport vehicle, and sheath is adopted
Special fire resistance PVC or halogen-free (LSOH) material of the low smog of special fire resistance.
The GENERAL EXPERIMENTATION of currently marketed cable cable in the case where IEC 60332-3-24 ignition conditions are done：Many into
The combustion test of beam cable Vertical Flame combustion testing -- C classes or 18380.35 cables of GB/T or optical cable under flame condition：Hang down
The straight bunchy electric wire flame vertical installed spreads test -- and C classes effectively can not pass through.
Therefore, it is necessary to design a kind of new cable.
The content of the invention
It is an object of the invention to provide a kind of flame-retardant cable with very high fire protecting performance.
The present invention provides a kind of flame-retardant cable, and which includes：Sheath, the multiple twisted pair wires inside sheath and it is located at
The gasket for packing at sheath center；The sheath includes being made up or oversheath made by low smoke and zero halogen material and this is outer of polrvinyl chloride
Flame-retardant layer and the first clad being provided adjacent to the flame-retardant layer that sheath is provided adjacent to；Each twisted pair wire includes：First
Insulator, the second insulator positioned at first internal first copper conductor of insulation and the first insulator pair twist and it is located at
The second internal copper conductor of second insulation.
Preferably, the plurality of twisted pair wire is provided with two rows, the inwall of the adjacent sheath of first row twisted pair wire, second row pair
Twisted wire is close to first row twisted pair wire, and the gasket for packing is located at the center of second row twisted wire.
Preferably, the first row twisted pair wire is provided with 16, and second row is provided with 9 to tree lace.
Preferably, the sheath also include secondary shielding layer between the flame-retardant layer and the first clad and
Ground wire between the first clad and secondary shielding layer.
The present invention also provides a kind of flame-retardant cable, and which includes：Sheath and at least ten pair twists inside sheath
Line；The sheath includes being made up of polrvinyl chloride or oversheath made by low smoke and zero halogen material and the oversheath be provided adjacent to
The first clad that flame-retardant layer and the flame-retardant layer are provided adjacent to；Each twisted pair wire includes：It is first insulator, first exhausted positioned at this
Second insulator of the first copper conductor and the first insulator pair twist in edge body and positioned at second insulation internal the
Two copper conductors.
Preferably, the sheath also include secondary shielding layer between the flame-retardant layer and the first clad and
Ground wire between the first clad and secondary shielding layer.
Preferably, the twisted pair wire is provided with 25.
The present invention also provides a kind of flame-retardant cable, and which includes：Sheath and four subunits inside sheath, institute
State that sheath includes being made up of polrvinyl chloride or that oversheath made by low smoke and zero halogen material and the oversheath are provided adjacent to is fire-retardant
Layer, and the first clad for being provided adjacent to of the flame-retardant layer；Tangled by mark band outside each subunit, inside each subunit
Multiple twisted pair wires are provided with, each twisted pair wire includes：First insulator, positioned at first internal first copper conductor of insulation and should
Second insulator of the first insulator pair twist and positioned at internal second copper conductor of the second insulation.
Preferably, the sheath also include secondary shielding layer between the flame-retardant layer and the first clad and
Ground wire between the first clad and secondary shielding layer.
Preferably, the twisted pair wire is provided with 25.
Cable cladding of the present invention weaves one layer of special fire proofing, sheath special fire resistance PVC or special fire-retardant
Performance LSOH so that data cable has very high fire protecting performance on fire-retardant.
Description of the drawings
Fig. 1 is the structural representation of the first embodiment of cable of the present invention；
Fig. 2 is the structural representation of the second embodiment of cable of the present invention；
Fig. 3 is the structural representation of the 3rd embodiment of cable of the present invention；
Fig. 4 is the structural representation of the fourth embodiment of cable of the present invention；
Fig. 5 is the structural representation of the 5th embodiment of cable of the present invention；
Fig. 6 is the structural representation of the sixth embodiment of cable of the present invention；
Fig. 7 is the structural representation of the 7th embodiment of cable of the present invention；
Fig. 8 is the structural representation of the 8th embodiment of cable of the present invention；
Fig. 9 is the structural representation of the 9th embodiment of cable of the present invention；
Figure 10 is the structural representation of the tenth embodiment of cable of the present invention；
Figure 11 is the structural representation of the 11st embodiment of cable of the present invention；
Figure 12 is the structural representation of the 12nd embodiment of cable of the present invention；
Figure 13 is the structural representation of the 13rd embodiment of cable of the present invention；
Figure 14 is the structural representation of the 14th embodiment of cable of the present invention；
Figure 15 is the structural representation of the 15th embodiment of cable of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described.
Flame-retardant cable of the present invention, is used as the transmission netting twine of local area network wiring system.
Fig. 1 show the structural representation of first embodiment of the invention, and the cable core of this cable is 4 pairs of horizontal pair twist cables,
This cable is used as many logarithmic datas and voice transfer cable.This cable 10 includes：Externally-located sheath 11, and it is located at sheath
In 11 and by four groups of twisted pair wires of different colours pair twist.
Wherein, sheath 11 includes being made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material
(LSZH) oversheath 111 made by, and the flame-retardant layer being made up of special fire proofing and be provided adjacent to the oversheath 111
112.Wherein, flame-retardant layer 112 is located at the inwall of sheath 11.
Four groups of twisted pair wires are respectively：First group of twisted wire of the first color and the identical or different color pair twist of first color
12nd, second group of twisted wire 13 of the second color and the identical or different color pair twist of second color, the 3rd color and the 3rd color
3rd group of twisted wire 14 of identical or different color pair twist, and the 4th color and the identical or different color pair twist of the 4th color
4th group of twisted wire 15, wherein, the first color, the second color, the 3rd color and the 4th color are differed, in the present embodiment,
First color is blueness, and the second color is Fructus Citri tangerinae color, and the 3rd color is green, and the 4th color is brown.
First group of twisted pair wire, 12, second group of twisted pair wire 13, the 3rd group of twisted pair wire 14 and the 4th group of twisted pair wire 15 include：Tool
Coloured first insulator 121, the first copper conductor 122 in first insulator 121, with color and with this first
Second insulator 131 of 121 pair twist of insulator, and the second copper conductor 132 in second insulator 131.Wherein,
One insulator 121 is provided with the vitta or colour circle of 131 same color of the second insulator；First insulator 121 and the second insulator
131 are made by high density polyethylene (HDPE) (HDPE).First group of twisted pair wire, 12, second group of twisted pair wire 13, the 3rd group of 14 and of twisted pair wire
4th group of twisted pair wire 15 adopts different pitch pair twists, first group of twisted pair wire, 12, second group of twisted pair wire 13, the 3rd group of pair twist
Line 14 and the 4th group of twisted pair wire 15 are always twisted into cable 10 again.
This cable 10 meets 100MHz data transmission performances.
Wherein, oversheath 111 and flame-retardant layer 112 are respectively provided with high flame retardant.
Fig. 2 show the structural representation of second embodiment of the invention, the cable 20 shown in Fig. 2 and above-mentioned Fig. 1 institutes timberline
The difference of cable 10 is：Cable 20 also includes the insulation strip 1617 in cross structure in sheath 11, and which is by first group of twisted pair wire
12nd, second group of twisted pair wire 13, the 3rd group of twisted pair wire 14 and the 4th group of twisted pair wire 15 are mutually isolated.Wherein, the insulation of cross structure
Bar 1617 is made by polyethylene, is greatly improved by the insulation strip crosstalk ratio of cross structure, and cross structure
Insulation strip 1617 is made using special fire resistance material, and which has high flame retardant.
Cable 20 meets large-scale bunchy combustion testing requirement, also while also meeting the requirement of transmission frequency 250MHz.
This cable 20 meets 250MHz data transmission performances.
Fig. 3 show the structural representation of third embodiment of the invention, and the cable 30 shown in Fig. 3 is by two Fig. 1 institutes timberlines
Cable is constituted, i.e.,：Cable 30 includes the first cable 31 for linking together and the second cable 32, and the cable 30 is disjunctor sheath.
This cable 20 meets 100MHz data transmission performances.
Fig. 4 show the structural representation of fourth embodiment of the invention, and the cable 40 shown in Fig. 4 is by shown in two Fig. 2
Cable is constituted, i.e.,：Cable 40 includes the first cable 41 for linking together and the second cable 42, and the cable 40 is disjunctor sheath.
Cable 40 shown in Fig. 4 is distinguished with the cable 30 shown in Fig. 3：Have in cross structure in cable shown in Fig. 4
Insulation strip.
This cable 30 meets 250MHz data transmission performances.
Fig. 5 show the structural representation of fifth embodiment of the invention, the cable 50 shown in Fig. 5 with shown in above-mentioned Fig. 1
The difference of cable 10 is：The sheath 51 of cable 50 includes：Externally-located oversheath 511, and the oversheath 511 be provided adjacent to
Flame-retardant layer 512, and the flame-retardant layer 512 be provided adjacent to first screen layer 513, and be provided adjacent to the first screen layer 513
And the secondary shielding layer 514 inside sheath 51.
Wherein, oversheath 511 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make, flame-retardant layer 512 is made up of special fire proofing, first screen layer 513 is wire sheathing, and secondary shielding layer 514 is by aluminum
Plastic composite strip is made.
This cable 50 meets 100MHz data transmission performances.
Fig. 6 show the structural representation of sixth embodiment of the invention, the cable 50 shown in Fig. 6 and above-mentioned Fig. 5 institutes timberline
The difference of cable is：
The sheath 52 of cable 50 includes：Including：Externally-located oversheath 521, and the resistance that is provided adjacent to of the oversheath 521
Combustion layer 522, and the flame-retardant layer 522 be provided adjacent to first screen layer 523, and the first screen layer 523 be provided adjacent to and be located at
The second clad 524 inside sheath 52, and the ground wire 525 between first screen layer 523 and the second clad 524.
Wherein, oversheath 521 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make, flame-retardant layer 522 is made up of special fire proofing, first screen layer 523 is made up of aluminium-plastic tape, the second clad 524
It is made up of polyester belt.
This cable 50 meets 500MHz data transmission performances.
Fig. 7 show the structural representation of seventh embodiment of the invention, the cable 50 shown in Fig. 7 and above-mentioned Fig. 5 institutes timberline
The difference of cable is：Cable 50 also includes the insulation strip in cross structure in sheath 51, and the insulation strip 5657 is in decussation
Arrange, the insulation strip 5657 by first group of twisted wire, 52, second group of twisted wire 53, the 3rd group of twisted wire 54 and the 4th group of twisted wire 55 mutually every
From.
The sheath 51 of cable 50 includes：Externally-located oversheath 511, and the flame-retardant layer that is provided adjacent to of the oversheath 511
512nd, and the flame-retardant layer 512 be provided adjacent to first screen layer 513, and be provided adjacent to and be located at the first screen layer 513
Secondary shielding layer 514 inside sheath 51.
Wherein, oversheath 511 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make, flame-retardant layer 512 is made up of special fire proofing, first screen layer 513 is wire sheathing, and secondary shielding layer 514 is by aluminum
Plastic composite strip is made.
Wherein, insulation strip 5657 is made by polyethylene, is greatly improved by 5657 crosstalk ratio of insulation strip, and
Insulation strip 5657 can also be made using special fire resistance material.
In other embodiments, the sheath of cable includes：The resistance that externally-located oversheath and the oversheath are provided adjacent to
Combustion layer and the first screen layer that is provided adjacent to of the flame-retardant layer and the secondary shielding layer being provided adjacent to the first screen layer, with
And be provided adjacent to the secondary shielding layer and the first clad inside sheath.
Wherein, oversheath is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH) system
Into flame-retardant layer is made up of special fire proofing, and first screen layer is wire sheathing, and secondary shielding layer is by aluminium-plastic tape system
Into；First clad is made up of polyester belt.
This cable 50 meets 1200MHz and data below transmission performance.
Fig. 8 show the structural representation of eighth embodiment of the invention, cable 60 shown in Fig. 8 and cable shown in above-mentioned Fig. 1
Difference be：The sheath 61 of cable 60 includes：Externally-located oversheath 611, and the flame-retardant layer that is provided adjacent to of the oversheath 511
612nd, and with the flame-retardant layer 612 it is provided adjacent to and the first screen layer 613 inside sheath 61.
Wherein, oversheath 611 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make, flame-retardant layer 612 is made up of special fire proofing, first screen layer 613 is wire sheathing.
First group of twisted pair wire, 62, second group of twisted pair wire 63, the 3rd group of twisted pair wire 64 and the 4th group of twisted pair wire 65 include：Tool
Coloured first insulator 621, the first copper conductor 622 in first insulator 621, with color and with this first
Second insulator 631 of 621 pair twist of insulator, and the second copper conductor 632, Yi Jiwei in second insulator 631
Secondary shielding layer 641 outside first insulator 621 and the second insulator 631.
Wherein, secondary shielding layer 641 is made up of aluminium-plastic tape.
4 twisted pair wire lines are individually wrapped up by secondary shielding layer 641.
Wherein, the first insulator 621 and the second insulator 631 are made by high density polyethylene (HDPE) (HDPE) or foaming PE,
Secondary shielding layer 641 is by made by aluminium-plastic tape.First group of twisted pair wire, 62, second group of twisted pair wire 63, the 3rd group of twisted pair wire 64
Different pitch pair twists, first group of twisted pair wire, 62, second group of twisted pair wire 63, the 3rd group pair are adopted with the 4th group of twisted pair wire 65
Twisted wire 64 and the 4th group of twisted pair wire 65 are always twisted into cable 60 again.
This cable 60 meets 1200MHz and data below transmission performance.
Fig. 9 show the structural representation of ninth embodiment of the invention, cable 60 shown in Fig. 9 and cable shown in above-mentioned Fig. 8
Difference be：The first screen layer 614 of the inside of sheath 61 is made up of aluminium-plastic tape.Cable 60 is also included in sheath 61
Ground wire 66, the ground wire 66 be located at two adjacent twisted wires outside and sheath 61 between.
First group of twisted pair wire, 62, second group of twisted pair wire 63, the 3rd group of twisted pair wire 64 and the 4th group of twisted pair wire 65 include：Tool
Coloured first insulator 621, the first copper conductor 622 in first insulator 621, with color and with this first
Second insulator 631 of 621 pair twist of insulator, and the second copper conductor 632, Yi Jiwei in second insulator 631
Secondary shielding layer 641 outside first insulator 621 and the second insulator 631.
Wherein, secondary shielding layer 641 is made up of aluminium-plastic tape.Wherein, the first insulator 621 and the second insulator 631
Made by high density polyethylene (HDPE) (HDPE) or foaming PE, secondary shielding layer 641 is by made by aluminium-plastic tape.First group of pair twist
62, second group of twisted pair wire 63 of line, the 3rd group of twisted pair wire 64 and the 4th group of twisted pair wire 65 adopt different pitch pair twists, and this first
Group 62, second group of twisted pair wire 63 of twisted pair wire, the 3rd group of twisted pair wire 64 and the 4th group of twisted pair wire 65 are always twisted into cable 60 again.
In other embodiments, ground wire is arranged on first group of twisted pair wire, 62, second group of twisted pair wire 63, the 3rd group of twisted pair wire 64
The centre for setting the space to be formed is enclosed with the 4th group of twisted pair wire 65.
This cable 60 meets 1200MHz and data below transmission performance.
Figure 10 show the structural representation of tenth embodiment of the invention, cable 60 shown in Figure 10 and above-mentioned Fig. 9 institutes timberline
The difference of cable is：The sheath 61 of cable 60 includes：Externally-located oversheath 611, and the oversheath 511 be provided adjacent to it is fire-retardant
Layer 612, and it is provided adjacent to the flame-retardant layer 612 and the first screen layer 613 inside sheath 61.
Wherein, oversheath 611 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make, flame-retardant layer 612 is made up of special fire proofing, first screen layer 613 is made up of aluminium-plastic tape.
Cable 60 also includes the ground wire 66 in sheath 61, and the ground wire 66 is located at outside two adjacent twisted wires and sheath
Between 61.
First group of twisted pair wire, 72, second group of twisted pair wire 73, the 3rd group of twisted pair wire 74 and the 4th group of twisted pair wire 75 include：Tool
Coloured first insulator 721, the first copper conductor 722 in first insulator 721, with color and with this first
Second insulator 731 of 721 pair twist of insulator, and the second copper conductor 732, Yi Jiwei in second insulator 731
Secondary shielding layer 741 outside first insulator 721 and the second insulator 731.
This cable 60 meets 1200MHz and data below transmission performance.
Figure 11 show the structural representation of eleventh embodiment of the invention, cable 70 shown in Figure 11 with shown in above-mentioned Fig. 9
The difference of cable is：The sheath 71 of cable 70 includes：Externally-located oversheath 711, and it is provided adjacent to the oversheath 711
And the flame-retardant layer 712 inside sheath 71.Sheath 71 is not provided with screen layer.
Wherein, oversheath 711 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make, flame-retardant layer 712 is made up of special fire proofing.
First group of twisted pair wire, 72, second group of twisted pair wire 73, the 3rd group of twisted pair wire 4 and the 4th group of twisted pair wire 75 include：Tool
Coloured first insulator 721, the first copper conductor 722 in first insulator 721, with color and with this first
Second insulator 731 of 721 pair twist of insulator, and the second copper conductor 732, Yi Jiwei in second insulator 731
Secondary shielding layer 741 outside first insulator 721 and the second insulator 731.
This cable 70 meets 1200MHz and data below transmission performance.
Figure 12 show the structural representation of twelveth embodiment of the invention, cable 80 shown in Figure 12 with shown in above-mentioned Fig. 9
The difference of cable is：Cable 80 includes：Sheath 81, the multiple twisted pair wires 82 inside sheath 81, and be located at sheath 81 in
The gasket for packing 83 of the heart, in the present embodiment, twisted pair wire 82 is provided with two rows, the inwall of 82 adjacent sheath 81 of first row twisted pair wire, and
Two row's twisted pair wires 82 are close to first row twisted pair wire 82, and gasket for packing 83 is located at the center of second row twisted pair wire 83.
Sheath 81 includes：Externally-located oversheath 811, and the oversheath 811 be provided adjacent to flame-retardant layer 812, and
It is provided adjacent to the flame-retardant layer 812 and the first clad 813 inside sheath 81.
First group of twisted pair wire, 82, second group of twisted pair wire 83, the 3rd group of twisted pair wire 84 and the 4th group of twisted pair wire 85 include：Tool
Coloured first insulator 821, the first copper conductor 822 in first insulator 821, with color and with this first
Second insulator 831 of 821 pair twist of insulator, and the second copper conductor 832 in second insulator 831.
First insulator 821 is provided with the vitta or colour circle of 831 same color of the second insulator.
In the present embodiment, first row twisted pair wire is provided with 16, and second row is provided with pair big logarithm line of 9, i.e., 25 to tree lace
Cable.813 lapping layer of polyester belt is the total lapping layer after 25 pairs of strandings.
1 line of table is to preferentially adopting color color-sequential
Wherein, the color of the interior vitta or colour circle for indicating strip of 1 bracket of table.
Wherein, oversheath 811 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make；Flame-retardant layer 812 is made up of special fire proofing；First clad 813 is by made by polyester belt.Each twisted pair wire 82 is wrapped
Include：Have coloured first insulator 821, the first copper conductor 822 in first insulator 821, with color and with
Second insulator 823 of 821 pair twist of the first insulator, and the second copper conductor 824 in second insulator 823.
This cable 80 meets 100MHz data transmission performances.
Figure 13 show the structural representation of thriteenth embodiment of the invention, cable 80 shown in Figure 13 with shown in above-mentioned Figure 12
The difference of cable is：Sheath 81 also include secondary shielding layer 814 between flame-retardant layer 812 and the first clad 813, and
Ground wire 815 between the first clad 813 and secondary shielding layer 814.Sheath 81 includes：Externally-located oversheath 811,
The flame-retardant layer 812 that is provided adjacent to the oversheath 811, and be provided adjacent to the flame-retardant layer 812 secondary shielding layer 814, with
And arrange with 814 neighbours of the secondary shielding layer and the first clad 813 inside sheath 81.
Wherein, oversheath 811 is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH)
Make；Flame-retardant layer 812 is made up of special fire proofing；First clad 813 is by made by polyester belt；Secondary shielding layer 814 by
Made by aluminium-plastic tape.
This cable 80 meets 100MHz data transmission performances.
Figure 14 show the structural representation of fourteenth embodiment of the invention, cable 80 shown in Figure 14 with shown in above-mentioned Figure 12
The difference of cable is：Cable 80 shown in Figure 14 is not provided with gasket for packing 83, and screen layer is not provided with outside twisted wire.
Cable 80 includes：Sheath 81, and at least 10 twisted pair wires 84 inside sheath 81, in the present embodiment,
Twisted pair wire 84 is provided with 25, and each twisted pair wire 84 includes：Have coloured first insulator 841, positioned at first insulator 841
Interior the first copper conductor 842, in different colours or same color and the second insulator 843 with 841 pair twist of the first insulator,
And the second copper conductor 844 in second insulator 843.
In other embodiments, cable includes：Sheath and 25 twisted pair wires inside sheath, sheath include：It is located at
Flame-retardant layer and be provided adjacent to and be located inside sheath with the flame-retardant layer that outside oversheath and the oversheath is provided adjacent to
The first clad.
Wherein, oversheath is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH) system
Into；Flame-retardant layer is made up of special fire proofing；First clad is by made by polyester belt.
In other embodiments, cable includes：Sheath and 25 twisted pair wires inside sheath, sheath include：It is located at
Flame-retardant layer that outside oversheath and the oversheath is provided adjacent to and the secondary shielding layer being provided adjacent to the flame-retardant layer and
Secondary shielding layer neighbours arrange and the first clad inside sheath and are located at the first clad and secondary shielding layer
Between ground wire.
Wherein, oversheath is made up of fire-retardant polrvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material (LSZH) system
Into；Flame-retardant layer is made up of special fire proofing；First clad is by made by polyester belt；Secondary shielding layer is by aluminium-plastic tape system
Into.
This cable 80 meets 16MHz data transmission performances.
Figure 15 show the structural representation of fifteenth embodiment of the invention, cable 90 shown in Figure 15 with shown in above-mentioned Figure 14
The difference of cable is：Cable 90 includes：Sheath 91, and four subunits 92,93,94,95 inside sheath 91, each
Tangled by mark band 921 outside subunit, inside each subunit, be provided with multiple twisted pair wires 96, each twisted pair wire 96 includes：
Have coloured first insulator 961, the first copper conductor 962 in first insulator 961, with color and with this
Second insulator 963 of one insulator, 961 pair twist, and the second copper conductor 964 in second insulator 963.
First insulator 961 is provided with the vitta or colour circle of 962 same color of the second insulator.
Wherein, the indicating strip 921 in each subunit 92 is used for the difference for indicating four subunits 92.
In the present embodiment, 25 twisted pair wires are provided with each subunit.
The color that 25 twisted pair wires are provided with each subunit is as shown in table 1 below
2 line of table is to preferentially adopting color color-sequential
Wherein, the color of the interior vitta or colour circle for indicating strip of 2 bracket of table.
This cable 90 meets 16MHz data transmission performances.
In other embodiments, cable includes：Sheath and four subunits inside sheath, each subunit
Outside is tangled by mark band, and 25 twisted pair wires are provided with inside each subunit, and each twisted pair wire includes：Have coloured first
Insulator, insulate positioned at internal first copper conductor of the first insulation, with color and with the second of the first insulator pair twist
Body and positioned at internal second copper conductor of the second insulation.
Sheath includes the flame-retardant layer that externally-located oversheath and the oversheath be provided adjacent to and adjacent with the flame-retardant layer
Connect setting and the first clad inside sheath.
First clad is made up of polyester belt.
In other embodiments, cable includes：Sheath and four subunits inside sheath, each subunit
Outside is tangled by mark band, and 25 twisted pair wires are provided with inside each subunit, and each twisted pair wire includes：Have coloured first
Insulator, insulate positioned at internal first copper conductor of the first insulation, with color and with the second of the first insulator pair twist
Body and positioned at internal second copper conductor of the second insulation.
Sheath includes the flame-retardant layer that externally-located oversheath and the oversheath be provided adjacent to and the flame-retardant layer is adjacent sets
The first screen layer put and the first screen layer are provided adjacent to and the second clad inside sheath and positioned at first
Ground wire between screen layer and the second clad.
First screen layer is made up of aluminium-plastic tape, and the second clad is made up of polyester belt.The cable core bag of cable of the present invention
A kind of special fire resistance material is covered, which shows superior fire resistance on large-scale combustion testing, large-scale bunchy can be passed through
Combustion testing, and electric property meets 1019 digital communication polyolefin insulation horizontal twisted pair cables of YD/T, IEC 61156-5
Digital communication multicore is symmetrically right/quad, IEC 61156-4 digital communications pair twists or star quad stranding multicore balanced cable,
The standard of ANSI/TIA-568-C.2 balancing twisted-pair line communication cables and its component, increases special flame-retardant layer, so on its cable core
Sheath constitutes flame-retardant cable of the present invention again afterwards.
Cable cladding of the present invention weaves one layer of special fire proofing, sheath special fire resistance PVC or special fire-retardant
Performance LSOH so that data cable has very high fire protecting performance on fire-retardant；Cable of the present invention is used as data center, comprehensive cloth
The connecting line of line, server, machine room rack, Internet bar's equipment and equipment, distributing frame and equipment and panel interface to equipment.
The preferred embodiment of the present invention described in detail above, but the present invention is not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, can carry out various equivalents to technical scheme, these
Equivalents belong to protection scope of the present invention.
Claims (10)
1. a kind of flame-retardant cable, it is characterised in which includes：Sheath, the multiple twisted pair wires inside sheath and be located at shield
The gasket for packing at set center；The sheath includes being made up or oversheath made by low smoke and zero halogen material and the outer shield of polrvinyl chloride
Flame-retardant layer and the first clad being provided adjacent to the flame-retardant layer that set is provided adjacent to；Each twisted pair wire includes：First is exhausted
Edge body, the second insulator positioned at first internal first copper conductor of insulation and the first insulator pair twist and be located at should
The second internal copper conductor of second insulation.
2. flame-retardant cable according to claim 1, it is characterised in that：The plurality of twisted pair wire is provided with two rows, first row pair
The inwall of the adjacent sheath of twisted wire, second row twisted pair wire are close to first row twisted pair wire, and the gasket for packing is located at second row twisted wire
Center.
3. flame-retardant cable according to claim 2, it is characterised in that：The first row twisted pair wire is provided with 16, second row
9 are provided with to tree lace.
4. flame-retardant cable according to claim 1, it is characterised in that：The sheath is also included positioned at the flame-retardant layer and
Secondary shielding layer between one clad and the ground wire between the first clad and secondary shielding layer.
5. a kind of flame-retardant cable, it is characterised in which includes：Sheath and at least ten twisted pair wires inside sheath；Institute
State that sheath includes being made up of polrvinyl chloride or that oversheath made by low smoke and zero halogen material and the oversheath are provided adjacent to is fire-retardant
Layer, and the first clad for being provided adjacent to of the flame-retardant layer；Each twisted pair wire includes：First insulator, positioned at first insulator
Second insulator of the first interior copper conductor and the first insulator pair twist and positioned at the second internal bronze medal of second insulation
Conductor.
6. flame-retardant cable according to claim 5, it is characterised in that：The sheath is also included positioned at the flame-retardant layer and
Secondary shielding layer between one clad and the ground wire between the first clad and secondary shielding layer.
7. flame-retardant cable according to claim 5, it is characterised in that：The twisted pair wire is provided with 25.
8. a kind of flame-retardant cable, it is characterised in which includes：Sheath and four subunits inside sheath, the shield
Set include by the flame-retardant layer that polrvinyl chloride is made or oversheath made by low smoke and zero halogen material and the oversheath are provided adjacent to and
The first clad that the flame-retardant layer is provided adjacent to；Tangled by mark band outside each subunit, be provided with inside each subunit
Multiple twisted pair wires, each twisted pair wire include：First insulator, positioned at first internal first copper conductor of insulation and this first
Second insulator of insulator pair twist and positioned at internal second copper conductor of the second insulation.
9. flame-retardant cable according to claim 8, it is characterised in that：The sheath is also included positioned at the flame-retardant layer and
Secondary shielding layer between one clad and the ground wire between the first clad and secondary shielding layer.
10. flame-retardant cable according to claim 8, it is characterised in that：The twisted pair wire is provided with 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215856.6A CN106601358A (en) | 2016-12-26 | 2016-12-26 | Flame retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215856.6A CN106601358A (en) | 2016-12-26 | 2016-12-26 | Flame retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106601358A true CN106601358A (en) | 2017-04-26 |
Family
ID=58603767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215856.6A Pending CN106601358A (en) | 2016-12-26 | 2016-12-26 | Flame retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106601358A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056567A1 (en) * | 2017-09-22 | 2019-03-28 | 张家港特恩驰电缆有限公司 | Fire resistant data cable |
| CN112466552A (en) * | 2020-12-16 | 2021-03-09 | 东莞金信诺电子有限公司 | Sixteen pairs of high-speed data transmission cables |
| CN114724756A (en) * | 2022-03-08 | 2022-07-08 | 重庆市南方阻燃电线电缆有限公司 | Environment-friendly heat-resistant flame-retardant wire and cable for building |
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| US4500748A (en) * | 1982-05-24 | 1985-02-19 | Eaton Corporation | Flame retardent electrical cable |
| CN102708948A (en) * | 2012-05-19 | 2012-10-03 | 辽宁金环电缆有限公司 | Offshore composite cable with low-temperature resistance, salt spray resistance and high strength |
| CN104575713A (en) * | 2013-10-17 | 2015-04-29 | 扬州曙光电缆股份有限公司 | Special instrument cable for nuclear power plant |
| CN204966129U (en) * | 2015-07-30 | 2016-01-13 | 江苏亨通线缆科技有限公司 | Programme -controlled communication data cable of fire -retardant type with fire -resistant function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4500748A (en) * | 1982-05-24 | 1985-02-19 | Eaton Corporation | Flame retardent electrical cable |
| US4500748B1 (en) * | 1982-05-24 | 1996-04-09 | Furon Co | Flame retardant electrical cable |
| CN102708948A (en) * | 2012-05-19 | 2012-10-03 | 辽宁金环电缆有限公司 | Offshore composite cable with low-temperature resistance, salt spray resistance and high strength |
| CN104575713A (en) * | 2013-10-17 | 2015-04-29 | 扬州曙光电缆股份有限公司 | Special instrument cable for nuclear power plant |
| CN204966129U (en) * | 2015-07-30 | 2016-01-13 | 江苏亨通线缆科技有限公司 | Programme -controlled communication data cable of fire -retardant type with fire -resistant function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056567A1 (en) * | 2017-09-22 | 2019-03-28 | 张家港特恩驰电缆有限公司 | Fire resistant data cable |
| CN112466552A (en) * | 2020-12-16 | 2021-03-09 | 东莞金信诺电子有限公司 | Sixteen pairs of high-speed data transmission cables |
| CN114724756A (en) * | 2022-03-08 | 2022-07-08 | 重庆市南方阻燃电线电缆有限公司 | Environment-friendly heat-resistant flame-retardant wire and cable for building |
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Application publication date: 20170426 |