CN206546723U - A kind of novel multi-core flexible fire-proof cable - Google Patents
A kind of novel multi-core flexible fire-proof cable Download PDFInfo
- Publication number
- CN206546723U CN206546723U CN201621338745.XU CN201621338745U CN206546723U CN 206546723 U CN206546723 U CN 206546723U CN 201621338745 U CN201621338745 U CN 201621338745U CN 206546723 U CN206546723 U CN 206546723U
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- China
- Prior art keywords
- core
- novel multi
- layer
- proof cable
- cores
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Links
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011490 mineral wool Substances 0.000 claims abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011707 mineral Substances 0.000 claims abstract description 6
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 5
- -1 overcoat Substances 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 16
- 150000002367 halogens Chemical class 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of novel multi-core flexible fire-proof cable, including three cores, inner liner, insulating barrier and protective case, the periphery of three cores is tangent to each other, the inner liner is arranged on outside three cores and tangent with the surface of three cores, packed layer is provided between gap and core and the inner liner between each core, the material that the packed layer is used is flexible synthetic mineral insulating materials, the insulating barrier is IXPE, the surface of the insulating barrier is provided with protective case, the protective case is the silicon rubber containing glass fibre;Three cores include interior core conductor, overcoat, flame-retardant layer and the lapping layer set from the inside to the outside, and the overcoat is micaceous glass fibre, and the flame-retardant layer is mineral wool rope, and the lapping layer is inorganic twining package tape.The utility model manufacturing cost is relatively low, with higher cost performance, with good insulating properties, fire line, resistance to pressure.
Description
Technical field
The utility model is related to technical field of electric wires and cables, more particularly to a kind of novel multi-core flexible fire-proof cable.
Background technology
Multicore cable is typically between the stranded insulator of a plurality of insulated wire cores (two cores and more than), every cored wire
Mutually insulated, and concentric stranding is integrated, be erected at more it is aerial or installed in underground, the bottom, for telecommunication or power Transmission.With
Continuing to develop for social economy, the consumption of cable is increased rapidly, and the environmental consciousness of people and the continuous enhancing of fire-fighting consciousness,
The quality requirement of cable is also improved constantly.The fireproof cable of prior art, overcoat is caused from copper or copper synthetic material
The overall decreasing insulating of cable, pressure-resistant performance is not enough, and fire protecting performance is relatively low, and copper belongs to precious metal so that manufacture
Cost is higher.
Utility model content
In order to overcome the defect of above-mentioned prior art, it is an object of the invention to provide a kind of novel multi-core flexible cable.
For up to this purpose, the utility model uses following technical scheme:
A kind of novel multi-core flexible fire-proof cable is provided, including three cores, inner liner, insulating barrier and protective case, three
The periphery of the core is tangent to each other, the inner liner be arranged on outside three cores and with three cores
Surface is tangent, and packed layer is provided between the gap and core and the inner liner between each core, described to fill out
Material that layer uses is filled for flexible synthetic mineral insulating materials, and the insulating barrier is IXPE, in the insulating barrier
Surface be provided with protective case, the protective case is the silicon rubber containing glass fibre;Three cores include by it is interior extremely
Interior core conductor, overcoat, flame-retardant layer and the lapping layer of outer setting, the overcoat are micaceous glass fibre, the resistance
Combustion layer is mineral wool rope, and the lapping layer is inorganic twining package tape.
As a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the interior core conductor is some
Copper monofilament, aluminium monofilament or the stranded stranded conductor of aluminum-alloy wire.
As a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the stranded conductor it is transversal
Area is 2.5-150mm2。
As a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the inner liner be low cigarette without
Halogen layer of polyurethane.
It is used as a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the low smoke and zero halogen polyurethane
The thickness of layer is 0.15-0.28mm.
As a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the thickness of the insulating barrier is
0.70-3.0mm。
As a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the protective case is wrapped with
The metal-coating of helical structure.
It is used as a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the spacing of the helical structure
For 2mm, the depth of the helical structure is 0.8-0.9mm.
As a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, the metal-coating is stainless
Steel sheath or aluminum alloy sheath.
It is used as a kind of preferred technical scheme of described novel multi-core flexible fire-proof cable, it is characterised in that the nothing
Machine twining package tape using low smoke and zero halogen polyurethane into.
The beneficial effects of the utility model are:Have in novel multi-core flexible fire-proof cable described in the utility model containing mica
Glass fibre, micaceous glass fibre has good insulating properties, corrosion resistance and resistance to acids and bases so that cable has
Stronger insulating properties and corrosion resistance, can greatly enhance the performance of the insulation of cable;Using the flame-retardant layer energy of mineral wool rope
Enough make cable that there is stronger fire line, there is good fire resistance using central, the security that cable is used is added.
The utility model is using insulating material of the IXPE as cable, because IXPE is free of halogen,
Smoke amount when fire occurs is smaller and is disengaged without toxic halogen gas, effective to reduce the people that occur in fire incident
Member's injures and deaths.Protective case of the present utility model is enclosed with the metal-coating of helical structure, the effect can to external force with buffering, holds
Acted on by bigger external force, reduce the bear external force of cable, also will not be right even in laying and suffering touch hard object collision using process
Cable produces damage.
Brief description of the drawings
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is the structural representation of novel multi-core flexible fire-proof cable described in embodiment.
1st, core;101st, interior core conductor;102nd, overcoat;103rd, flame-retardant layer;104th, lapping layer;2nd, packed layer;3rd, liner
Layer;4th, insulating barrier;5th, protective case;6th, metal-coating.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
As shown in figure 1, in the present embodiment, a kind of novel multi-core flexible fire-proof cable, including three cores 1, packed layers
3rd, insulating barrier 4 and protective case 5, the periphery of three cores 1 are tangent to each other, the packed layer 3 be arranged on the core 1 it
Outer and tangent with the surface of three cores 1, the gap between each core 1 is set and core and the inner liner
Between be provided with packed layer 2, the material that the packed layer 2 is used is for flexible synthetic mineral insulating materials, the insulating barrier 4
IXPE, protective case 5 is provided with the surface of the insulating barrier 4, and the protective case 5 is the silicon containing glass fibre
Rubber;Three cores 1 include the interior core conductor 101, overcoat 102, flame-retardant layer 103 and wrapped set from the inside to the outside
Layer 104, the interior core conductor 101 connects with the overcoat 102, and the overcoat 102 is micaceous glass fibre, described
Flame-retardant layer 103 is mineral wool rope, and the lapping layer 104 is inorganic twining package tape.
A kind of core 1 of novel multi-core flexible fire-proof cable described in the utility model is provided with overcoat 102, overcoat
102 be micaceous glass fibre, because mica has insulation, transparent, heat-resisting, corrosion-resistant, the easy point of spy such as stripping and high resilience
Property, glass fibre is also a kind of heat-resisting fire proofing, using the glass fibre for containing mica as overcoat 102, can be made
Cable have it is good prevent fires, fire-retardant performance, internal core conductor 101 serves good protective effect.With overcoat 102
The flame-retardant layer 103 connected uses mineral wool rope, and rock wool is a kind of excellent thermostable heat insulation material, can further enhance cable
Fire protecting performance, and the quality of cable can be mitigated using mineral wool rope, convenient transport.It is provided with and fills out between three cores 1
Layer 2 is filled, wherein packed layer 2 is flexible synthetic mineral, wherein flexible synthetic mineral is extruded by insulating materials and formed, may act as core
1 fire wall so as to interior fire wall together with being formed between core 1 and packed layer 3.In the present embodiment, insulating barrier 4 is
IXPE, polyvinyl chloride is replaced as the insulation of cable using the IXPE after cross-linking radiation
Material, due to IXPE be free of halogen, therefore when fire occurs cable described in the utility model smoke amount
Smaller, light transmittance reaches more than 60%, and the release without toxic halogen gas, and can effectively reduce may hair in fire incident
Raw casualties, substantially increases the security of cable.Protective case 5 uses the silicon rubber containing glass fibre so that cable
Bending is flexible;Silicon rubber containing glass fibre has stronger resistance to chemical corrosion, heat-resistant aging and weatherability old
Change, be adapted to use in high temperature, weather complex environment, can effectively slow down the aging of cable, extend the use longevity of cable
Life.
In the present embodiment, if the interior core conductor 101 is dry copper monofilament, aluminium monofilament or the stranded strand of aluminum-alloy wire
Conductor is closed, stranded conductor is that concentric type lay configuration has excellent electric conductivity.Wherein, the cross-sectional area of the stranded conductor
For 2.5-150mm2。
The packed layer 3 is low smoke and zero halogen layer of polyurethane.Packed layer 3, Neng Gouyou is used as using low smoke and zero halogen layer of polyurethane
Prevent to effect that cable damages core 1 due to too high set off an explosion of temperature being subject to when occurring fire, pass through this design energy
It is enough that effectively the core 1 of cable is protected, while the generation of smog and toxic gas can be reduced when occurring fire,
The pollution to air is reduced, meets environmental requirement.It is preferred that, the thickness of the low smoke and zero halogen layer of polyurethane is 0.15-0.28mm.
Wherein, packed layer 3 is wrapped with the insulating barrier 4 for the IXPE that thickness is 0.70-3.0mm.Irradiation is handed over
The insulating barrier 4 of connection polyethylene is the insulating barrier 4 for the IXPE that the irradiation for being 150KGy by irradiation dose is formed.
In the present embodiment, the protective case 5 is wrapped with the metal-coating 6 of helical structure, on the basis of protective case
Metal-coating is enclosed with, the protective effect to cable can be further enhanced, it is to avoid is hit installing cable process by external force
Hit and make cable bad, add the resistance to pressure of cable, be more than cable there is provided one of external security perimeter.Wherein, it is described
The spacing of helical structure is 2mm, and the depth of the helical structure is 0.8-0.9mm, and the depth of helical structure refers to helical structure
Surface and protective case 5 between depth.The spiral and arc-shaped structure of the metal-coating 6 of helical structure can be buffered, be resistant to
Larger external force effect, reduces cable bear external force, also will not be to cable even in laying and suffering touch hard object collision using process
Damage is produced, with good tensile property, prevents from that cable is caused during cable laying to damage.It is preferred that, the gold
It is stainless steel sheath or aluminum alloy sheath to belong to overcoat 6.The utility model substitutes copper using stainless steel or aluminum alloy sheath not only to be made
Cable has preferably tamper-proof ability, and because the price of stainless steel or aluminum alloy sheath is more cheap than copper, energy
It is enough largely to reduce the manufacturing cost of cable, meet the quality-high and inexpensive consumer psychology of consumer.Specifically, the nothing
Machine twining package tape using low smoke and zero halogen polyurethane into.Low smoke and zero halogen layer of polyurethane is by low smoke and zero halogen polyurethane elastomer material system
Into reducing the bending radius of cable to the full extent, effectively solve that installing space is limited, cable laying is difficult to ask
Topic.
As further preferred technical scheme, inner liner 3 described in the present embodiment has towards in the packed layer 2
Lining inner surface and the liner outer surface deviated from the liner inner surface;The insulating barrier 4 has towards the packed layer 2
Inner insulative surface and the insulated outer surface deviated from the inner insulative surface;The protective case 5 has towards the packed layer
Jacket inner surface and the jacket outer surface that deviates from the jacket inner surface;The metal-coating 6 has to be filled out described in
The outer jacket surface for filling the overcoat inner surface of layer 2 and deviating from the overcoat inner surface.
The liner outer surface is provided with the first connecting groove, and the inner insulative surface is corresponding with first connecting groove
Be provided with the second connecting groove, the inner liner 3 passes through first connecting groove with the insulating barrier 4 and connected with described second
Connect fit depressions and realize connection.
It is preferred that, first connecting groove and second connecting groove are thread groove.
The insulated outer surface is provided with the 3rd connecting groove, and the jacket inner surface is corresponding with the 3rd connecting groove
Be provided with the 4th connecting groove, the insulating barrier 4 passes through the 3rd connecting groove and the described 4th company with 5 sets of the protection
Connect fit depressions and realize connection.
It is preferred that, the 3rd connecting groove and the 4th connecting groove are thread groove.
The jacket outer surface is provided with the 5th connecting groove, and the overcoat inner surface is corresponding with the 5th connecting groove
Be provided with the 6th connecting groove, protective case 5 is connected with the metal-coating 6 by the 5th connecting groove with the described 6th
Fit depressions realize connection.
It is preferred that, the 5th connecting groove and the 6th connecting groove are thread groove.
It is to be understood that, above-mentioned embodiment is only preferred embodiment of the present utility model and institute's application technology
Principle, in technical scope disclosed in the utility model, what any one skilled in the art was readily apparent that
Change or replacement, should all cover in protection domain of the present utility model.
Claims (10)
1. a kind of novel multi-core flexible fire-proof cable, it is characterised in that including three cores, inner liner, insulating barrier and protective case,
The periphery of three cores is tangent to each other, the inner liner be arranged on outside three cores and with three lines
The surface of core is tangent, is provided with packed layer between the gap and core and the inner liner between each core, institute
Material that packed layer uses is stated for flexible synthetic mineral insulating materials, the insulating barrier is IXPE, it is described absolutely
The surface of edge layer is provided with protective case, and the protective case is the silicon rubber containing glass fibre;Three cores include by
Interior core conductor, overcoat, flame-retardant layer and the lapping layer of interior to outer setting, the overcoat are micaceous glass fibre, institute
Flame-retardant layer is stated for mineral wool rope, the lapping layer is inorganic twining package tape.
2. novel multi-core flexible fire-proof cable according to claim 1, it is characterised in that if the interior core conductor is dry copper
Monofilament, aluminium monofilament or the stranded stranded conductor of aluminum-alloy wire.
3. novel multi-core flexible fire-proof cable according to claim 2, it is characterised in that the cross section of the stranded conductor
Product is 2.5-150mm2。
4. novel multi-core flexible fire-proof cable according to claim 1, it is characterised in that the inner liner is low smoke and zero halogen
Layer of polyurethane.
5. novel multi-core flexible fire-proof cable according to claim 4, it is characterised in that the low smoke and zero halogen layer of polyurethane
Thickness be 0.15-0.28mm.
6. novel multi-core flexible fire-proof cable according to claim 1, it is characterised in that the thickness of the insulating barrier is
0.70-3.0mm。
7. novel multi-core flexible fire-proof cable according to claim 6, it is characterised in that the protective case is wrapped with spiral shell
Revolve the metal-coating of structure.
8. novel multi-core flexible fire-proof cable according to claim 7, it is characterised in that the spacing of the helical structure is
2mm, the depth of the helical structure is 0.8-0.9mm.
9. novel multi-core flexible fire-proof cable according to claim 8, it is characterised in that the metal-coating is stainless steel
Sheath or aluminum alloy sheath.
10. according to any described novel multi-core flexible fire-proof cable of claim 1 to 9, it is characterised in that described inorganic wrapped
Band using low smoke and zero halogen polyurethane into.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621338745.XU CN206546723U (en) | 2016-12-07 | 2016-12-07 | A kind of novel multi-core flexible fire-proof cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621338745.XU CN206546723U (en) | 2016-12-07 | 2016-12-07 | A kind of novel multi-core flexible fire-proof cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206546723U true CN206546723U (en) | 2017-10-10 |
Family
ID=59993649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621338745.XU Expired - Fee Related CN206546723U (en) | 2016-12-07 | 2016-12-07 | A kind of novel multi-core flexible fire-proof cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206546723U (en) |
-
2016
- 2016-12-07 CN CN201621338745.XU patent/CN206546723U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 |
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