CN206340377U - Flame-retardant cable - Google Patents
Flame-retardant cable Download PDFInfo
- Publication number
- CN206340377U CN206340377U CN201621434619.4U CN201621434619U CN206340377U CN 206340377 U CN206340377 U CN 206340377U CN 201621434619 U CN201621434619 U CN 201621434619U CN 206340377 U CN206340377 U CN 206340377U
- Authority
- CN
- China
- Prior art keywords
- cable
- insulator
- color
- flame
- retardant
- 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.)
- Active
Links
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model provides a kind of flame-retardant cable, and it includes：Externally-located sheath and in sheath and by four groups of twisted pair wires of different colours pair twist；Wherein, the sheath includes being made up of polyvinyl chloride or oversheath that low smoke and zero halogen material is made and the flame-retardant layer that is provided adjacent in the oversheath；Each twisted pair wire includes：First insulator, the first copper conductor in first insulator, the second insulator and the second copper conductor in second insulator with the first insulator pair twist.The utility model cable is coated or one layer of special fire proofing of braiding, the special fire resistance PVC or special fire resistances LSOH of sheath so that data cable is on fire-retardant with very high fire protecting performance.
Description
Technical field
The utility model 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 uses twisted pair construction, and copper conductor or other alloys are led
Body, using high density polyethylene (HDPE) (HDPE) or foaming PE insulation, is filled, sheath is used as transport vehicle during stranding with PE skeletons
Halogen-free (LSOH) material of the low smog of special fire resistance PVC or special fire resistances.
The GENERAL EXPERIMENTATION of currently marketed cable cable in the case where doing IEC 60332-3-24 ignition conditions：Many into
Beam cable Vertical Flame combustion testing -- the combustion test of C classes or the cables of GB/T 18380.35 or optical cable under flame condition：Hang down
The bunchy electric wire flame vertical directly installed spreads experiment -- and C classes can not effectively pass through.
Therefore, it is necessary to design a kind of new cable.
Utility model content
The purpose of this utility model is to provide a kind of flame-retardant cable with very high fire protecting performance.
The utility model provides a kind of flame-retardant cable, and it includes：Externally-located sheath and in sheath and by not
With four groups of twisted pair wires of color pair twist；Wherein, the sheath includes being made up of polyvinyl chloride or that low smoke and zero halogen material is made is outer
Sheath and the flame-retardant layer being provided adjacent in the oversheath；Each twisted pair wire includes：It is first insulator, first exhausted positioned at this
The first copper conductor in edge body, the second insulator with the first insulator pair twist and the in second insulator
Two copper conductors.
Preferably, first insulator and the second insulator are made by high density polyethylene (HDPE).
Preferably, the color of first insulator and the second insulator is differed.
Preferably, first insulator is provided with the vitta or colour circle of the second insulator same color.
Preferably, four groups of twisted pair wires are respectively：First color and the identical or different color pair twist of first color
First group of twisted wire, second group of twisted wire of the second color and the identical or different color pair twist of second color, the 3rd color and this
3rd group of twisted wire of the identical or different color pair twist of three colors and the 4th color and the 4th identical or different color pair of color
The 4th group of twisted wire twisted, wherein, the first color, the second color, the 3rd color and the 4th color are differed.
Preferably, the flame-retardant layer is located at the inwall of the sheath.
Preferably, the cable also includes：In the insulation strip of cross structure in the sheath, the insulation strip will be described
Four groups of twisted pair wires are mutually isolated.
Preferably, the insulation strip is made up of polyethylene.
The utility model also provides a kind of flame-retardant cable, and it includes the first cable linked together and the second cable.
The utility model cable is coated or one layer of special fire proofing of braiding, and sheath is with special fire resistance PVC or special
Fire resistance LSOH so that data cable has very high fire protecting performance on fire-retardant.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the utility model cable；
Fig. 2 is the structural representation of the second embodiment of the utility model cable；
Fig. 3 is the structural representation of the 3rd embodiment of the utility model cable；
Fig. 4 is the structural representation of the fourth embodiment of the utility model cable；
Fig. 5 is the structural representation of the 5th embodiment of the utility model cable；
Fig. 6 is the structural representation of the sixth embodiment of the utility model cable；
Fig. 7 is the structural representation of the 7th embodiment of the utility model cable；
Fig. 8 is the structural representation of the 8th embodiment of the utility model cable；
Fig. 9 is the structural representation of the 9th embodiment of the utility model cable；
Figure 10 is the structural representation of the tenth embodiment of the utility model cable；
Figure 11 is the structural representation of the 11st embodiment of the utility model cable；
Figure 12 is the structural representation of the 12nd embodiment of the utility model cable；
Figure 13 is the structural representation of the 13rd embodiment of the utility model cable；
Figure 14 is the structural representation of the 14th embodiment of the utility model cable；
Figure 15 is the structural representation of the 15th embodiment of the utility model cable.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
The utility model flame-retardant cable, is used as the transmission netting twine of local area network wiring system.
Fig. 1 show the structural representation of the utility model first embodiment, and the cable core of this cable is 4 pairs of horizontal twisted pair wires
Cable, 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
In sheath 11 and by four groups of twisted pair wires of different colours pair twist.
Wherein, sheath 11 includes being made up of fire-retardant polyvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material
(LSZH) oversheath 111 being made and the flame-retardant layer for being made up and being provided adjacent to the oversheath 111 of special fire proofing
112.Wherein, flame-retardant layer 112 is located at the inwall of sheath 11.
Four groups of twisted pair wires are respectively：First color and first group of twisted wire of the identical or different color pair twist of first color
12nd, the second color and second group of twisted wire 13, the 3rd color and the 3rd color of the identical or different color pair twist of second color
The 3rd group of color of twisted wire 14 and the 4th of identical or different color pair twist 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 tangerine 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 the pair twist of insulator 121 and the second copper conductor 132 in second insulator 131.Wherein,
One insulator 121 is provided with the vitta or colour circle of the same color of the second insulator 131；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 and of twisted pair wire 14
4th group of twisted pair wire 15 uses 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 the utility model second embodiment, the cable 20 shown in Fig. 2 and above-mentioned Fig. 1 institutes
The difference of timberline cable 10 is：Cable 20 also includes being located at the insulation strip 1617 in sheath 11 in cross structure, and it is by the first group pair
Twisted 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 are mutually isolated.Wherein, cross structure
Insulation strip 1617 is made by polyethylene, is greatly improved by the insulation strip crosstalk ratio of cross structure, and stauros
The insulation strip 1617 of structure is made of special fire resistance material, and it has high flame retardant.
Cable 20 meets large-scale bunchy combustion testing requirement, also while also meeting transmission frequency 250MHz requirement.
This cable 20 meets 250MHz data transmission performances.
Fig. 3 show the structural representation of the utility model 3rd embodiment, and the cable 30 shown in Fig. 3 is by two Fig. 1 institutes
Timberline cable is constituted, i.e.,：Cable 30 includes the first cable 31 and the second cable 32 linked together, and the cable 30 protects for disjunctor
Set.
This cable 20 meets 100MHz data transmission performances.
Fig. 4 show the structural representation of the utility model fourth embodiment, and the cable 40 shown in Fig. 4 is by two Fig. 2 institutes
The cable composition shown, i.e.,：Cable 40 includes the first cable 41 and the second cable 42 linked together, and the cable 40 protects for disjunctor
Set.
Cable 40 shown in Fig. 4 is distinguished with the cable 30 shown in Fig. 3：Have in cable shown in Fig. 4 is in cross structure
Insulation strip.
This cable 30 meets 250MHz data transmission performances.
Fig. 5 show the structural representation of the embodiment of the utility model the 5th, the cable 50 shown in Fig. 5 and above-mentioned Fig. 1 institutes
The difference of the cable 10 shown is：The sheath 51 of cable 50 includes：Externally-located oversheath 511, set with the oversheath 511 adjoining
The flame-retardant layer 512 put, the first screen layer 513 being provided adjacent to the flame-retardant layer 512 and abutted with the first screen layer 513
Set and the secondary shielding layer 514 inside sheath 51.
Wherein, oversheath 511 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made, 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 aluminium
Plastic composite strip is made.
This cable 50 meets 100MHz data transmission performances.
Fig. 6 show the structural representation of the utility model sixth embodiment, the cable 50 shown in Fig. 6 and above-mentioned Fig. 5 institutes
The difference of timberline cable is：
The sheath 52 of cable 50 includes：Including：The resistance that externally-located oversheath 521 and the oversheath 521 are provided adjacent to
Combustion layer 522, the first screen layer 523 being provided adjacent to the flame-retardant layer 522, with the first screen layer 523 it is provided adjacent to and is located at
The second clad 524 inside sheath 52 and the ground wire 525 between the clad 524 of first screen layer 523 and second.
Wherein, oversheath 521 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made, 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 the embodiment of the utility model the 7th, the cable 50 shown in Fig. 7 and above-mentioned Fig. 5 institutes
The difference of timberline cable is：Cable 50 also includes being located at the insulation strip in sheath 51 in cross structure, and the insulation strip 5657 is in cross
Arranged in a crossed manner, the insulation strip 5657 is 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 phase of twisted wire 55
Mutually isolation.
The sheath 51 of cable 50 includes：The flame-retardant layer that externally-located oversheath 511 and the oversheath 511 are provided adjacent to
512nd, the first screen layer 513 that is provided adjacent to the flame-retardant layer 512 and it is provided adjacent to and is located at the first screen layer 513
Secondary shielding layer 514 inside sheath 51.
Wherein, oversheath 511 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made, 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 aluminium
Plastic composite strip is made.
Wherein, insulation strip 5657 is made by polyethylene, is greatly improved by the crosstalk ratio of insulation strip 5657, and
Insulation strip 5657 can also be made of 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, with the flame-retardant layer first screen layer being provided adjacent to and be provided adjacent to the first screen layer secondary shielding layer, with
And be provided adjacent to the secondary shielding layer and the first clad inside sheath.
Wherein, oversheath is made up or special fire-retardant low smoke and zero halogen material (LSZH) system of fire-retardant polyvinyl chloride (PVC)
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 the embodiment of the utility model the 8th, shown in cable 60 shown in Fig. 8 and above-mentioned Fig. 1
The difference of cable is：The sheath 61 of cable 60 includes：The resistance that externally-located oversheath 611 and the oversheath 511 are provided adjacent to
Combustion layer 612 and the first screen layer 613 for being provided adjacent to and being located inside sheath 61 with the flame-retardant layer 612.
Wherein, oversheath 611 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made, 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 the pair twist of insulator 621 and the second copper conductor 632 in second insulator 631, Yi Jiwei
Secondary shielding layer 641 outside the insulator 631 of the first insulator 621 and second.
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,
What secondary shielding layer 641 was made up of 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
Use different pitch pair twists with the 4th group of twisted pair wire 65, first group of twisted pair wire 62, second group of twisted pair wire 63, the 3rd group pair
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 the embodiment of the utility model the 9th, shown in cable 60 shown in Fig. 9 and above-mentioned Fig. 8
The difference of cable is：The first screen layer 614 of the inside of sheath 61 is made up of aluminium-plastic tape.Cable 60 also includes being located at sheath
Ground wire 66 in 61, the ground wire 66 is located at outside two adjacent twisted wires between sheath 61.
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 the pair twist of insulator 621 and the second copper conductor 632 in second insulator 631, Yi Jiwei
Secondary shielding layer 641 outside the insulator 631 of the first insulator 621 and second.
Wherein, secondary shielding layer 641 is made up of aluminium-plastic tape.Wherein, the first insulator 621 and the second insulator 631
It is made by high density polyethylene (HDPE) (HDPE) or foaming PE, what secondary shielding layer 641 was made up of aluminium-plastic tape.First group of pair twist
Line 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 use different pitch pair twists, and this first
Group 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 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 the embodiment of the utility model the tenth, cable 60 shown in Figure 10 and above-mentioned Fig. 9 institutes
The difference of timberline cable is：The sheath 61 of cable 60 includes：What externally-located oversheath 611 and the oversheath 511 were provided adjacent to
Flame-retardant layer 612 and the first screen layer 613 for being provided adjacent to and being located inside sheath 61 with the flame-retardant layer 612.
Wherein, oversheath 611 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made, 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 being located 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 the pair twist of insulator 721 and the second copper conductor 732 in second insulator 731, Yi Jiwei
Secondary shielding layer 741 outside the insulator 731 of the first insulator 721 and second.
This cable 60 meets 1200MHz and data below transmission performance.
Figure 11 show the structural representation of the embodiment of the utility model the 11st, cable 70 shown in Figure 11 and above-mentioned Fig. 9
The difference of shown cable is：The sheath 71 of cable 70 includes：Externally-located oversheath 711 and abutted with the oversheath 711
Set and the flame-retardant layer 712 inside sheath 71.Sheath 71 is not provided with screen layer.
Wherein, oversheath 711 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made, 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 the pair twist of insulator 721 and the second copper conductor 732 in second insulator 731, Yi Jiwei
Secondary shielding layer 741 outside the insulator 731 of the first insulator 721 and second.
This cable 70 meets 1200MHz and data below transmission performance.
Figure 12 show the structural representation of the embodiment of the utility model the 12nd, cable 80 shown in Figure 12 and above-mentioned Fig. 9
The difference of shown cable is：Cable 80 includes：Sheath 81, multiple twisted pair wires 82 inside sheath 81 and positioned at sheath
The gasket for packing 83 at 81 centers, in the present embodiment, twisted pair wire 82 be provided with two rows, the adjacent sheath 81 of first row twisted pair wire 82 it is interior
Wall, second row twisted pair wire 82 is 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, the flame-retardant layer 812 being provided adjacent to the oversheath 811 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 the pair twist of insulator 821 and the second copper conductor 832 in second insulator 831.
First insulator 821 is provided with the vitta or colour circle of the same color of the second insulator 831.
In the present embodiment, first row twisted pair wire is provided with 16, and second row is to tree lace provided with pair big logarithm line of 9, i.e., 25
Cable.The lapping layer of polyester belt 813 is total lapping layer after 25 pairs of strandings.
The line of table 1 uses color color-sequential to preferential
Wherein, the interior vitta or the color of colour circle for indicating strip of the bracket of table 1.
Wherein, oversheath 811 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made；Flame-retardant layer 812 is made up of special fire proofing；What the first clad 813 was made up of 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 the pair twist of the first insulator 821 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 the embodiment of the utility model the 13rd, cable 80 shown in Figure 13 and above-mentioned Figure 12
The difference of shown cable is：Sheath 81 also include be located at the clad 813 of flame-retardant layer 812 and first between secondary shielding layer 814,
And the ground wire 815 between the first clad 813 and secondary shielding layer 814.Sheath 81 includes：Externally-located oversheath
811st, with the oversheath 811 flame-retardant layer 812 being provided adjacent to and the secondary shielding layer being provided adjacent to the flame-retardant layer 812
814 and set with the secondary shielding layer 814 neighbours and the first clad 813 inside the sheath 81.
Wherein, oversheath 811 is made up or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
It is made；Flame-retardant layer 812 is made up of special fire proofing；What the first clad 813 was made up of polyester belt；Secondary shielding layer 814 by
What aluminium-plastic tape was made.
This cable 80 meets 100MHz data transmission performances.
Figure 14 show the structural representation of the embodiment of the utility model the 14th, cable 80 shown in Figure 14 and above-mentioned Figure 12
The difference of shown cable is：Cable 80 shown in Figure 14 is not provided with being not provided with screen layer outside gasket for packing 83, twisted wire.
Cable 80 includes：Sheath 81 and at least ten twisted pair wire 84 inside sheath 81, in the present embodiment,
Twisted pair wire 84 is provided with 25, and each twisted pair wire 84 includes：Has coloured first insulator 841, positioned at first insulator 841
Interior the first copper conductor 842, the second insulator 843 in different colours or same color and with the pair twist of the first insulator 841,
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 inside sheath with the flame-retardant layer that outside oversheath and the oversheath are provided adjacent to
The first clad.
Wherein, oversheath is made up or special fire-retardant low smoke and zero halogen material (LSZH) system of fire-retardant polyvinyl chloride (PVC)
Into；Flame-retardant layer is made up of special fire proofing；What the first clad was made up of polyester belt.
In other embodiments, cable includes：Sheath and 25 twisted pair wires inside sheath, sheath include：It is located at
Outside oversheath, with the oversheath flame-retardant layer being provided adjacent to and the secondary shielding layer being provided adjacent to the flame-retardant layer, with
Secondary shielding layer neighbours are set and the first clad inside the sheath and positioned at the first clad and secondary shielding layer
Between ground wire.
Wherein, oversheath is made up or special fire-retardant low smoke and zero halogen material (LSZH) system of fire-retardant polyvinyl chloride (PVC)
Into；Flame-retardant layer is made up of special fire proofing；What the first clad was made up of 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 the embodiment of the utility model the 15th, cable 90 shown in Figure 15 and above-mentioned Figure 14
The difference of shown cable is：Cable 90 includes：Sheath 91 and four subunits 92,93,94,95 inside sheath 91,
Tangled outside each subunit by mark band 921, multiple twisted pair wires 96 are provided with inside each subunit, each twisted pair wire 96 is wrapped
Include：Have coloured first insulator 961, the first copper conductor 962 in first insulator 961, with color and with
Second insulator 963 of the pair twist of the first insulator 961 and the second copper conductor 964 in second insulator 963.
First insulator 961 is provided with the vitta or colour circle of the same color of the second insulator 962.
Wherein, the indicating strip 921 in each subunit 92 is used for the difference for indicating four subunits 92.
In the present embodiment, provided with 25 twisted pair wires in each subunit.
The color provided with 25 twisted pair wires is as shown in table 1 below in each subunit
The line of table 2 uses color color-sequential to preferential
Wherein, the interior vitta or the color of colour circle for indicating strip of the bracket of table 2.
This cable 90 meets 16MHz data transmission performances.
In other embodiments, cable includes：Sheath and four subunits inside sheath, each subunit
Outside tangles by mark band, and provided with 25 twisted pair wires inside each subunit, each twisted pair wire includes：Have coloured first
Insulator, the first copper conductor in first insulator, with color and with the second of the first insulator pair twist the insulation
Body and the second copper conductor in second insulator.
Sheath includes externally-located oversheath, the flame-retardant layer being provided adjacent to the oversheath and adjacent with the flame-retardant layer
Connect the first clad set and inside sheath.
First clad is made up of polyester belt.
In other embodiments, cable includes：Sheath and four subunits inside sheath, each subunit
Outside tangles by mark band, and provided with 25 twisted pair wires inside each subunit, each twisted pair wire includes：Have coloured first
Insulator, the first copper conductor in first insulator, with color and with the second of the first insulator pair twist the insulation
Body and the second copper conductor in second insulator.
Sheath is set including externally-located oversheath, the flame-retardant layer being provided adjacent to the oversheath, with flame-retardant layer adjoining
The first screen layer put, it is provided adjacent to the first screen layer 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 of the utility model cable
Core coats a kind of special fire resistance material, and it shows superior fire resistance on large-scale combustion testing, can be by large-scale
Bunchy combustion testing, and electric property meets the digital communication polyolefin insulation horizontal twisted pair cables of YD/T 1019, IEC
61156-5 digital communication multicores are symmetrically pair/quad, and IEC 61156-4 digital communications pair twists or star quad stranding multicore are symmetrical
The standard of cable, ANSI/TIA-568-C.2 balancing twisted-pair line communication cables and its component, increases special fire-retardant on its cable core
Layer, then sheath constitutes the utility model flame-retardant cable again.
The utility model cable is coated or one layer of special fire proofing of braiding, and sheath is with special fire resistance PVC or special
Fire resistance LSOH so that data cable has very high fire protecting performance on fire-retardant；The utility model cable is as in data
The heart, comprehensive wiring, server, computer room rack, Internet bar's equipment and equipment, distributing frame and equipment and panel interface arrive equipment
Connecting line.
Preferred embodiment of the present utility model described in detail above, but the utility model is not limited to above-mentioned implementation
Detail in mode, in range of the technology design of the present utility model, can be carried out to the technical solution of the utility model
A variety of equivalents, these equivalents belong to protection domain of the present utility model.
Claims (10)
1. a kind of flame-retardant cable, it is characterised in that it includes：Externally-located sheath and in sheath and by different face
Four groups of twisted pair wires of color pair twist；Wherein, the sheath include being made up of polyvinyl chloride or oversheath that low smoke and zero halogen material is made,
And the flame-retardant layer being provided adjacent in the oversheath；Each twisted pair wire includes：First insulator, in first insulator
The first copper conductor, the second insulator with the first insulator pair twist and the second bronze medal in second insulator lead
Body.
2. flame-retardant cable according to claim 1, it is characterised in that：First insulator and the second insulator are by height
Density polyethylene is made.
3. flame-retardant cable according to claim 1, it is characterised in that：The color of first insulator and the second insulator
Differ.
4. flame-retardant cable according to claim 3, it is characterised in that：First insulator is provided with the second insulation body phase
With the vitta or colour circle of color.
5. flame-retardant cable according to claim 1, it is characterised in that：Four groups of twisted pair wires are respectively：First color with
First group of twisted wire, the second color and identical or different color pair of the second color of the identical or different color pair twist of first color
Second group of twisted wire, the 3rd color and the 3rd group of twisted wire of the identical or different color pair twist of the 3rd color and the 4th face twisted
4th group of twisted wire of color and the identical or different color pair twist of the 4th color, wherein, the first color, the second color, the 3rd color
Differed with the 4th color.
6. flame-retardant cable according to claim 1, it is characterised in that：The flame-retardant layer is located at the inwall of the sheath.
7. according to any described flame-retardant cables of claim 1-6, it is characterised in that：The cable also includes：Positioned at the shield
It is in the insulation strip of cross structure in set, the insulation strip is mutually isolated by four groups of twisted pair wires.
8. flame-retardant cable according to claim 7, it is characterised in that：The insulation strip is made up of polyethylene.
9. a kind of flame-retardant cable, it is characterised in that：It includes the first cable linked together and the second cable, the First Line
Cable and the second cable are any cables of claim 1-6.
10. a kind of flame-retardant cable, it is characterised in that：It includes the first cable linked together and the second cable, described first
Cable and the second cable are cable described in claim 7 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434619.4U CN206340377U (en) | 2016-12-26 | 2016-12-26 | Flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434619.4U CN206340377U (en) | 2016-12-26 | 2016-12-26 | Flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340377U true CN206340377U (en) | 2017-07-18 |
Family
ID=59301721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621434619.4U Active CN206340377U (en) | 2016-12-26 | 2016-12-26 | Flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018121163A1 (en) * | 2016-12-26 | 2018-07-05 | 张家港特恩驰电缆有限公司 | Flame retardant cable |
| WO2019056567A1 (en) * | 2017-09-22 | 2019-03-28 | 张家港特恩驰电缆有限公司 | Fire resistant data cable |
-
2016
- 2016-12-26 CN CN201621434619.4U patent/CN206340377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018121163A1 (en) * | 2016-12-26 | 2018-07-05 | 张家港特恩驰电缆有限公司 | Flame retardant cable |
| WO2019056567A1 (en) * | 2017-09-22 | 2019-03-28 | 张家港特恩驰电缆有限公司 | Fire resistant data cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204130258U (en) | Naval vessel low-smoke non-halogen flame-retardant surpasses six class digital communication local area network cables | |
| CN201340759Y (en) | Category six digital communication local area network cable for warship | |
| CN106653204A (en) | Flame retardant cable | |
| CN206340377U (en) | Flame-retardant cable | |
| CN206331822U (en) | Flame-retardant cable | |
| CN206340378U (en) | Flame-retardant cable | |
| AU2017101785A4 (en) | Insulated core wire, CMP grade high-flame-retardant data cable, and manufacturing processes for the two | |
| CN203026256U (en) | Communication cable for halogen-free low-smoke flame-retardant fire-proof ship | |
| CN201994093U (en) | Compensating cable for intrinsic safety system | |
| CN200976292Y (en) | Instrument cable for offshore oil platform | |
| CN106601358A (en) | Flame retardant cable | |
| CN101882487A (en) | Category 6 digital communication local area network cable for naval vessel | |
| CN106782833A (en) | Flame-retardant cable | |
| CN201348895Y (en) | Composite conductor environment-friendly flame-proof digital signal cable | |
| CN202549483U (en) | Pulse code modulation type symmetric radio frequency communication cable | |
| CN202258491U (en) | High-flame-retardance and environment-friendly fire-resistant control cable for nuclear power plant | |
| JP2009277592A (en) | Cable unit for local area network | |
| CN208985725U (en) | High fire-retardance flame-proof type communication instrument signal cable | |
| CN207742973U (en) | A kind of fireproof data cable | |
| CN202339754U (en) | Flame-retardant low-smoke halogen-free flexible network cable | |
| CN207441286U (en) | A kind of high speed optoelectronic composite cable | |
| CN207353007U (en) | A kind of AP websites composite cable | |
| CN207993561U (en) | A kind of flame-retardant fire-resistant composite cable | |
| CN207624420U (en) | High fire-retardance high frequency active cable for digital communication | |
| CN206134335U (en) | Three -core sheath line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215625 Chuangye Road, Jinfeng Town, Zhangjiagang, Suzhou City, Jiangsu Province Patentee after: Shanghai Electric Group tengenchi Technology (Suzhou) Co.,Ltd. Address before: 215625 Chuangye Road, Jinfeng Town, Zhangjiagang, Suzhou City, Jiangsu Province Patentee before: ZHANGJIAGANG TWENTSCHE CABLE Co.,Ltd. |