CN206546723U - A kind of novel multi-core flexible fire-proof cable - Google Patents

A kind of novel multi-core flexible fire-proof cable Download PDF

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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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Expired - Fee Related
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CN201621338745.XU
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Chinese (zh)
Inventor
杨南彦
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Guangzhou Ao Tong Wire & Cable Co Ltd
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Guangzhou Ao Tong Wire & Cable Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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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

A kind of novel multi-core flexible fire-proof cable
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.
CN201621338745.XU 2016-12-07 2016-12-07 A kind of novel multi-core flexible fire-proof cable Expired - Fee Related CN206546723U (en)

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

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Family Applications (1)

Application Number Title Priority Date Filing Date
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)

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