CN106653204A - Flame retardant cable - Google Patents
Flame retardant cable Download PDFInfo
- Publication number
- CN106653204A CN106653204A CN201611215859.XA CN201611215859A CN106653204A CN 106653204 A CN106653204 A CN 106653204A CN 201611215859 A CN201611215859 A CN 201611215859A CN 106653204 A CN106653204 A CN 106653204A
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- Prior art keywords
- cable
- color
- insulator
- flame
- retardant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The present invention provides a flame retardant cable. The cable comprises a sheath located at the outer portion and four groups of twisted pair wires being located in the sheath and being twisted in pair by different colors. The sheath comprises an oversheath made of polyvinyl chloride or low-smoke zero-halogen materials and a flame retardant layer arranged adjacent to the oversheath; each twisted pair wire comprises a first insulator, a first copper conductor located in the first insulator, a second insulator twisted in pair with the first insulator and a second copper conductor located in the second insulator. The flame retardant cable coats or braids one layer of special flame retardant materials, the sheath is PVC with the special flame retardant performance or LSOH with the special flame retardant performance to allow the data cable to have high fireproof performance at the aspect of flame retardation.
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, using high density polyethylene (HDPE) (HDPE) or foaming PE insulation, is filled during stranding as transport vehicle with PE skeletons, 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
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 straight bunchy electric wire flame vertical installed spreads test -- and C classes can not effectively 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 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 by polyvinyl chloride make or low smoke and zero halogen material made by oversheath,
And the flame-retardant layer being provided adjacent in the oversheath；Each twisted pair wire includes：It is first insulator, internal positioned at first insulation
The first copper conductor and the first insulator pair twist the second insulator and lead positioned at internal second bronze medal of the second insulation
Body.
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
Second group of twisted wire of first group of twisted wire, 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 identical or different color pair of the 4th color
The 4th group of twisted wire for twisting, 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：The insulation strip in 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 present invention also provides a kind of flame-retardant cable, and it includes the first cable for linking together and the second cable.
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
The present invention is further described with reference to the accompanying drawings and examples.
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 positioned 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 polyvinyl chloride (PVC) or special fire-retardant low smoke and zero halogen material
(LSZH) oversheath 111 made by and the flame-retardant layer be 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
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 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 again cable 10.
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 being located at the insulation strip 1617 in cross structure in sheath 11, and it 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 it 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 and the second cable 32 for linking together, 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 and the second cable 42 for linking together, 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 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 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：What externally-located oversheath 511 and the oversheath 511 was provided adjacent to
First screen layer 513 and be provided adjacent to the first screen layer 513 that flame-retardant layer 512 and the flame-retardant layer 512 are provided adjacent to
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)
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 aluminium
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：The resistance that externally-located oversheath 521 and the oversheath 521 is provided adjacent to
The first screen layer 523 and the first screen layer 523 that combustion layer 522 and the flame-retardant layer 522 are provided adjacent to 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)
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 being located at the insulation strip in cross structure in sheath 51, and the insulation strip 5657 is in right-angled intersection
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：The flame-retardant layer that externally-located oversheath 511 and the oversheath 511 is provided adjacent to
512 and the first screen layer 513 that is provided adjacent to of 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)
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 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 using special fire resistance material.
In other embodiments, the sheath of cable includes：The resistance that externally-located oversheath and the oversheath is provided adjacent to
Combustion layer and 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 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：The flame-retardant layer that externally-located oversheath 611 and the oversheath 511 is provided adjacent to
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 or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
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 the pair twist of insulator 621 and the second copper conductor 632, Yi Jiwei in second insulator 631
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,
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 again cable 60.
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 also includes being located in sheath 61
Ground wire 66, the ground wire 66 is located between two adjacent twisted wires outsides and 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, Yi Jiwei in second insulator 631
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
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 again cable 60.
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：It is fire-retardant that externally-located oversheath 611 and the oversheath 511 is provided adjacent to
Layer 612 and is provided adjacent to and the first screen layer 613 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)
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 being located in sheath 61, and the ground wire 66 is located at two adjacent twisted wire outsides 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, Yi Jiwei in second insulator 731
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 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 or special fire-retardant low smoke and zero halogen material (LSZH) of fire-retardant polyvinyl chloride (PVC)
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 the pair twist of insulator 721 and the second copper conductor 732, Yi Jiwei in second insulator 731
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 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 in sheath 81
The gasket for packing 83 of the heart, in the present embodiment, twisted pair wire 82 is provided with two rows, the inwall of the adjacent sheath 81 of first row twisted pair wire 82, 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：Flame-retardant layer 812 that externally-located oversheath 811 and the oversheath 811 is provided adjacent to 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 provided with pair big logarithm line of 9, i.e., 25 to tree lace
Cable.The lapping layer of polyester belt 813 is the total lapping layer after 25 pairs of strandings.
The line of table 1 is to preferentially adopting color color-sequential
Wherein, it is the vitta or the color of colour circle of indicating strip in 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)
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 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 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 be located at the clad 813 of flame-retardant layer 812 and first between secondary shielding layer 814 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 being provided adjacent to the oversheath 811 and the secondary shielding layer 814 being provided adjacent to the flame-retardant layer 812, with
And arrange with the secondary shielding layer 814 neighbours and the first clad 813 inside 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)
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, 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 includes：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 is 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；First clad is by made by polyester belt.
In other embodiments, cable includes：Sheath and 25 twisted pair wires inside sheath, sheath includes：It is located at
Outside oversheath and the oversheath flame-retardant layer being provided adjacent to and the secondary shielding layer being provided adjacent to the flame-retardant layer and
Secondary shielding layer neighbours are arranged and the first clad inside 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；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, multiple twisted pair wires 96 are provided with inside each subunit, 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 the pair twist of one 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 of four subunits 92 of sign.
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
The line of table 2 is to preferentially adopting color color-sequential
Wherein, it is the vitta or the color of colour circle of indicating strip in 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 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 is provided adjacent to of externally-located oversheath and the oversheath 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.
The flame-retardant layer and the flame-retardant layer that sheath is provided adjacent to including externally-located oversheath and the oversheath is adjoined and set
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, it shows superior fire resistance on large-scale combustion testing, large-scale bunchy can be passed through
Combustion testing, and electric property meets the digital communication polyolefin insulation horizontal twisted pair cables of YD/T 1019, 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
Afterwards again sheath constitutes flame-retardant cable of the present invention.
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 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 by polyvinyl chloride make or low smoke and zero halogen material made by oversheath,
And the flame-retardant layer being provided adjacent in the oversheath；Each twisted pair wire includes：It is first insulator, internal positioned at first insulation
The first copper conductor and the first insulator pair twist the second insulator and lead positioned at internal second bronze medal of the second insulation
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 of the identical or different color pair twist of first color, the second color and the identical or different color pair of the second color
The 3rd group of twisted wire and the 4th face of the second group of twisted wire, the 3rd color and the identical or different color pair twist of the 3rd color that twist
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
Differ 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 the arbitrary described flame-retardant cable of claim 1-6, it is characterised in that：The cable also includes：Positioned at the shield
Insulation strip in 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 for linking together and the second cable, the First Line
Cable and the second cable are the arbitrary cable of claim 1-6.
10. a kind of flame-retardant cable, it is characterised in that：It includes the first cable for linking together and the second cable, described first
Cable and the second cable are cable described in claim 7 or 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215859.XA CN106653204A (en) | 2016-12-26 | 2016-12-26 | Flame retardant cable |
| PCT/CN2017/113434 WO2018121163A1 (en) | 2016-12-26 | 2017-11-29 | Flame retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215859.XA CN106653204A (en) | 2016-12-26 | 2016-12-26 | Flame retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106653204A true CN106653204A (en) | 2017-05-10 |
Family
ID=58828082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215859.XA Pending CN106653204A (en) | 2016-12-26 | 2016-12-26 | Flame retardant cable |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106653204A (en) |
| WO (1) | WO2018121163A1 (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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979652A (en) * | 2019-05-16 | 2019-07-05 | 江苏港通电缆有限公司 | A kind of data cable |
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| US4500748A (en) * | 1982-05-24 | 1985-02-19 | Eaton Corporation | Flame retardent electrical cable |
| US4547626A (en) * | 1983-08-25 | 1985-10-15 | International Standard Electric Corporation | Fire and oil resistant cable |
| CN201348895Y (en) * | 2008-12-17 | 2009-11-18 | 江苏东强股份有限公司 | Composite conductor environment-friendly flame-proof digital signal cable |
| CN201359879Y (en) * | 2008-12-30 | 2009-12-09 | 上海端翔机电有限公司 | Marine fire-resistant communication cable |
| US20130161058A1 (en) * | 2011-12-21 | 2013-06-27 | General Cable Technologies Corporation | Cable with non-flammable barrier layer |
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| CN101145410A (en) * | 2007-07-05 | 2008-03-19 | 上海亚龙工业（集团）有限公司 | Bus cable for building intelligent control system |
| CN205645391U (en) * | 2016-05-21 | 2016-10-12 | 江苏东强股份有限公司 | High fire -retardant automatic control temperature digital communication cable |
| CN105957632A (en) * | 2016-06-17 | 2016-09-21 | 安徽天康(集团)股份有限公司 | Indoor category six unshielded parallel symmetric data cable |
| CN206340377U (en) * | 2016-12-26 | 2017-07-18 | 张家港特恩驰电缆有限公司 | Flame-retardant cable |
| CN106653204A (en) * | 2016-12-26 | 2017-05-10 | 张家港特恩驰电缆有限公司 | Flame retardant cable |
| CN206331822U (en) * | 2016-12-26 | 2017-07-14 | 张家港特恩驰电缆有限公司 | Flame-retardant cable |
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2016
- 2016-12-26 CN CN201611215859.XA patent/CN106653204A/en active Pending
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- 2017-11-29 WO PCT/CN2017/113434 patent/WO2018121163A1/en active Application Filing
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| 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 |
| US4547626A (en) * | 1983-08-25 | 1985-10-15 | International Standard Electric Corporation | Fire and oil resistant cable |
| CN201348895Y (en) * | 2008-12-17 | 2009-11-18 | 江苏东强股份有限公司 | Composite conductor environment-friendly flame-proof digital signal cable |
| CN201359879Y (en) * | 2008-12-30 | 2009-12-09 | 上海端翔机电有限公司 | Marine fire-resistant communication cable |
| US20130161058A1 (en) * | 2011-12-21 | 2013-06-27 | General Cable Technologies Corporation | Cable with non-flammable barrier layer |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018121163A1 (en) | 2018-07-05 |
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