CN205158931U - Flexible fire prevention three -core cables of nonrust steel bushing - Google Patents
Flexible fire prevention three -core cables of nonrust steel bushing Download PDFInfo
- Publication number
- CN205158931U CN205158931U CN201520941796.0U CN201520941796U CN205158931U CN 205158931 U CN205158931 U CN 205158931U CN 201520941796 U CN201520941796 U CN 201520941796U CN 205158931 U CN205158931 U CN 205158931U
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- layer
- stainless steel
- fire resistant
- resistant flexible
- coated
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- 230000002265 prevention Effects 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 42
- 239000010935 stainless steel Substances 0.000 claims abstract description 42
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 238000004049 embossing Methods 0.000 claims abstract description 28
- 239000010445 mica Substances 0.000 claims abstract description 25
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 25
- 229910052736 halogen Inorganic materials 0.000 claims description 22
- 150000002367 halogens Chemical class 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 239000000779 smoke Substances 0.000 claims description 19
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000002965 rope Substances 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000005755 formation reaction Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000004132 cross linking Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract 6
- 239000004698 Polyethylene (PE) Substances 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 230000017105 transposition Effects 0.000 abstract 1
- 230000002588 toxic Effects 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 241000714266 Bovine leukemia virus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 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
- 239000002994 raw material Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000004575 stone Substances 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
Abstract
The utility model relates to a flexible fire prevention three -core cables of nonrust steel bushing, including three sinle silks, filling layer and band layers, every sinle silk includes the conductor, the cladding has the synthetic mica tape layer on the conductor, the cladding has the irradiation cross -linking polyethylene insulating layer on the synthetic mica tape layer, and three sinle silk transposition form the finished product heart yearn, are equipped with the filling layer between three sinle silks, band layer parcel is in the periphery of finished product heart yearn and filling layer, the cladding has explosion -proof layer on the band layer, the cladding is gone up on explosion -proof layer has the inner sheath layer, the cladding has stainless steel fire -proof covering on the inner sheath layer, stainless steel fire -proof covering is equipped with embossing, stainless steel fire -proof covering goes up the cladding has the oversheath layer. The utility model discloses the easy manufacturing of simple structure, the structure is firm, has not only increased the anti damage capability of cable, and the while is the cost of the cable of great reduction still, the casualties that probably takes place in the effectual reduction fire incident.
Description
Technical field
The utility model relates to field of cables, particularly relates to a kind of stainless steel sleeve fire resistant flexible three-core cable.
Background technology
Along with the development of society, the embossing copper sheathing of the metallic sheath employing of traditional flexible fire-proof cable, the price of copper is per ton at about 45000 yuan, causes the cost of cable very high.
And the insulation property of existing flexible fire-proof cable, fire resistance and explosion-proof performance are all bad, because this type of cable uses in the place such as theater, market, station of densely populated place, when meeting accident explosion accident, easily because blast causes electric leakage accident, the improvement of explosion-proof performance is very important.
Utility model content
The purpose of this utility model is the problems referred to above overcoming prior art existence, proposes a kind of stainless steel sleeve fire resistant flexible three-core cable.The utility model structure is simply easy to processing and manufacturing, stabilized structure, not only increases the survivability of cable, and the cost of the cable simultaneously also reduced greatly has good fire resistance, can reach the test requirements document of cable single vertical burning; And the amount of being fuming when fire occurs is less, light transmittance reaches more than 60%, and does not have toxic halogen gas to disengage, and effectively reduces contingent casualties in fire incident.
The utility model realizes by the following technical solutions:
A kind of stainless steel sleeve fire resistant flexible three-core cable, it is characterized in that: comprise three cores, packed layer and belting layer, described every root core comprises conductor, described conductor is coated with synthetic mica belt, described synthetic mica belt is coated with IXPE insulating barrier, three core stranded formation finished product heart yearns, packed layer is provided with between three cores, described belting layer is wrapped in the periphery of finished product heart yearn and packed layer, described belting layer is coated with explosion-proof layer, described explosion-proof layer is coated with inner restrictive coating, described inner restrictive coating is coated with stainless steel fireproof covering, described stainless steel fireproof covering is provided with embossing, described stainless steel fireproof covering is coated with external sheath layer.
The thickness of described stainless steel fireproof covering is 0.80-1.4mm.
Described embossing is equidistant embossing, and the spacing of embossing is 3-5mm, and the degree of depth of embossing is 1-2.5mm.
The thickness of described synthetic mica belt is 0.08-0.11mm.
Described synthetic mica belt is the synthetic mica belt that inorganic mineral is made.
The thickness of described IXPE insulating barrier is 0.13-0.25mm.
Described conductor is the stranded stranded conductor of many copper monofilament.
The sectional area of described stranded conductor is 0.337-0.349mm
2.
Described explosion-proof layer, inner restrictive coating and external sheath layer are low smoke and zero halogen layer of polyurethane.
Described IXPE insulating barrier is the IXPE insulating barrier that the irradiation being 100-200KGy through irradiation dose is formed.
Described packed layer is the dustless mineral wool rope layer of low smoke and zero halogen.
Described belting layer is alkali-free glass fibre silk layer.
Compared with prior art, its advantage is the utility model:
1, the utility model structure is simply easy to processing and manufacturing, stabilized structure, not only increases the survivability of cable, and the cost of the cable simultaneously also reduced greatly has good fire resistance, can reach the test requirements document of cable single vertical burning; And the amount of being fuming when fire occurs is less, light transmittance reaches more than 60%, and does not have toxic halogen gas to disengage, and effectively reduces contingent casualties in fire incident.
2, the utility model adopts stainless steel fireproof covering to replace existing embossing copper sheathing, not only makes cable have better survivability, the cost of the cable simultaneously reduced greatly; The price of copper is per ton at about 45000 yuan, about 7000 yuan per ton of stainless price, and the price of raw material per ton has saved about 38000 yuan, overallly can reduce cable cost more than 20%.
3, the utility model adopts synthetic mica belt, and synthetic mica performance is all better than natural mica, if heatproof is up to more than 1000 DEG C, electrical insulating property is good, the extremely low and acid and alkali-resistance of vacuum deflation under high temperature, transparent, stripping and high resilience can be divided.
4, the utility model adopts its temperature resistant grade of IXPE after cross-linking radiation can reach 105 degree, and higher temperature resistant grade makes electric wire have higher ampacity, reaches more than 1.2 times of common BLV.
5, the utility model adopts the IXPE after cross-linking radiation to replace polyvinyl chloride as the insulating material of electric wire, IXPE is not halogen-containing, and the amount of being fuming when fire occurs is less, light transmittance reaches more than 60%, and do not have toxic halogen gas to disengage, contingent casualties in effective minimizing fire incident.
6, the utility model adopts and be coated with IXPE insulating barrier on synthetic mica belt, and IXPE is crosslinked by what complete with synthetic mica belt after electron accelerator irradiation, the dosage 100-200KGy of irradiation.
7, the utility model adopts low smoke and zero halogen polyurethane as explosion-proof layer; thus achieve when cable carries out inspection maintenance; effectively can protect the safety of staff, make the spark because operate miss causes, electric arc and high hot temperature degree not damage reviewer or set off an explosion.When general blast, can effectively protect insulated wire cores injury-free, so efficiently solve explode among a small circle occur time cable to cause communicating not smooth problem because insulation is broken; When cable carries out inspection maintenance, effectively can protect the safety of personnel, make the spark because operate miss causes, electric arc and high hot temperature degree not damage reviewer or set off an explosion.
8, the utility model adopts inner restrictive coating and external sheath layer to be low smoke and zero halogen layer of polyurethane, low smoke and zero halogen layer of polyurethane is made up of low smoke and zero halogen polyurethane elastomer material, reduce the bending radius of cable to the full extent, effectively solve installing space limited, the problem of difficulty set up by cable.
9, the utility model adopts described packed layer to be the dustless mineral wool rope layer of low smoke and zero halogen, low smoke and zero halogen stone scar rope packed layer burns in a fire and also can not produce thick smoke, LSZH, harmless to manpower, be conducive to the escape of people, therefore all applications can be widely used in, particularly some densely populated and emphasis fire prevention places.
Accompanying drawing explanation
Fig. 1 is the utility model structure chart.
Reference numeral: 1, conductor, 2, synthetic mica belt, 3, IXPE insulating barrier, 4, packed layer, 5, belting layer, 6, explosion-proof layer, 7, inner restrictive coating, 8, stainless steel fireproof covering, 9, external sheath layer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further detailed:
Embodiment 1:
A kind of stainless steel sleeve fire resistant flexible three-core cable, comprise three cores, packed layer 4 and belting layer 5, described every root core comprises conductor 1, described conductor 1 is coated with synthetic mica belt 2, described synthetic mica belt 2 is coated with IXPE insulating barrier 3, three core stranded formation finished product heart yearns, packed layer 4 is provided with between three cores, described belting layer 5 is wrapped in the periphery of finished product heart yearn and packed layer 4, described belting layer 5 is coated with explosion-proof layer 6, described explosion-proof layer 6 is coated with inner restrictive coating 7, described inner restrictive coating 7 is coated with stainless steel fireproof covering 8, described stainless steel fireproof covering 8 is provided with embossing, described stainless steel fireproof covering 8 is coated with external sheath layer 9.
In the present embodiment, the thickness of described stainless steel fireproof covering 8 is 0.8mm.
In the present embodiment, described embossing is equidistant embossing, and the spacing of embossing is 3mm, and the degree of depth of embossing is 1mm.
In the present embodiment, the thickness of described synthetic mica belt 2 is 0.08mm.
In the present embodiment, the thickness of described IXPE insulating barrier 3 is 0.13mm.
In the present embodiment, described conductor 1 is the stranded stranded conductor of many copper monofilament.
In the present embodiment, the sectional area of described stranded conductor is 0.337mm
2.
In the present embodiment, described explosion-proof layer 6, inner restrictive coating 7 and external sheath layer 9 are low smoke and zero halogen layer of polyurethane.
In the present embodiment, described IXPE insulating barrier 3 is the IXPE insulating barrier that the irradiation being 100KGy through irradiation dose is formed.
In the present embodiment, described explosion-proof layer, inner restrictive coating and external sheath layer are low smoke and zero halogen layer of polyurethane.
In the present embodiment, described packed layer 4 is the dustless mineral wool rope layer of low smoke and zero halogen.
Embodiment 2:
A kind of stainless steel sleeve fire resistant flexible three-core cable, comprise three cores, packed layer 4 and belting layer 5, described every root core comprises conductor 1, described conductor 1 is coated with synthetic mica belt 2, described synthetic mica belt 2 is coated with IXPE insulating barrier 3, three core stranded formation finished product heart yearns, packed layer 4 is provided with between three cores, described belting layer 5 is wrapped in the periphery of finished product heart yearn and packed layer 4, described belting layer 5 is coated with explosion-proof layer 6, described explosion-proof layer 6 is coated with inner restrictive coating 7, described inner restrictive coating 7 is coated with stainless steel fireproof covering 8, described stainless steel fireproof covering 8 is provided with embossing, described stainless steel fireproof covering 8 is coated with external sheath layer 9.
In the present embodiment, the thickness of described stainless steel fireproof covering 8 is 1.1mm.
In the present embodiment, described embossing is equidistant embossing, and the spacing of embossing is 4mm, and the degree of depth of embossing is 1.5mm.
In the present embodiment, the thickness of described synthetic mica belt 2 is 0.09mm.
In the present embodiment, the thickness of described IXPE insulating barrier 3 is 0.19mm.
In the present embodiment, described conductor 1 is the stranded stranded conductor of many copper monofilament.
In the present embodiment, the sectional area of described stranded conductor is 0.342mm
2.
In the present embodiment, described explosion-proof layer 6, inner restrictive coating 7 and external sheath layer 8 are low smoke and zero halogen layer of polyurethane.
In the present embodiment, described IXPE insulating barrier 3 is the IXPE insulating barrier that the irradiation being 150KGy through irradiation dose is formed.
In the present embodiment, described explosion-proof layer, inner restrictive coating and external sheath layer are low smoke and zero halogen layer of polyurethane.
In the present embodiment, described packed layer 4 is the dustless mineral wool rope layer of low smoke and zero halogen.
Embodiment 3:
A kind of stainless steel sleeve fire resistant flexible three-core cable, comprise three cores, packed layer 4 and belting layer 5, described every root core comprises conductor 1, described conductor 1 is coated with synthetic mica belt 2, described synthetic mica belt 2 is coated with IXPE insulating barrier 3, three core stranded formation finished product heart yearns, packed layer 4 is provided with between three cores, described belting layer 5 is wrapped in the periphery of finished product heart yearn and packed layer 4, described belting layer 5 is coated with explosion-proof layer 6, described explosion-proof layer 6 is coated with inner restrictive coating 7, described inner restrictive coating 7 is coated with stainless steel fireproof covering 8, described stainless steel fireproof covering 8 is provided with embossing, described stainless steel fireproof covering 8 is coated with external sheath layer 9.
In the present embodiment, the thickness of described stainless steel fireproof covering 8 is 1.4mm.
In the present embodiment, described embossing is equidistant embossing, and the spacing of embossing is 5mm, and the degree of depth of embossing is 2.5mm.
In the present embodiment, the thickness of described synthetic mica belt 2 is 0.11mm.
In the present embodiment, the thickness of described IXPE insulating barrier 3 is 0.25mm.
In the present embodiment, described conductor 1 is the stranded stranded conductor of many copper monofilament.
In the present embodiment, the sectional area of described stranded conductor is 0.349mm
2.
In the present embodiment, described explosion-proof layer 6, inner restrictive coating 7 and external sheath layer 9 are low smoke and zero halogen layer of polyurethane.
In the present embodiment, described IXPE insulating barrier 3 is the IXPE insulating barrier that the irradiation being 200KGy through irradiation dose is formed.
In the present embodiment, described packed layer 4 is the dustless mineral wool rope layer of low smoke and zero halogen.
The utility model is not limited to above-described embodiment, all should fall in protection range of the present utility model according to other embodiment that the technical solution of the utility model obtains.
Claims (10)
1. a stainless steel sleeve fire resistant flexible three-core cable, it is characterized in that: comprise three cores, packed layer (4) and belting layer (5), described every root core comprises conductor (1), described conductor (1) is coated with synthetic mica belt (2), described synthetic mica belt (2) is coated with IXPE insulating barrier (3), three core stranded formation finished product heart yearns, packed layer (4) is provided with between three cores, described belting layer (5) is wrapped in the periphery of finished product heart yearn and packed layer (4), described belting layer (5) is coated with explosion-proof layer (6), described explosion-proof layer (6) is coated with inner restrictive coating (7), described inner restrictive coating (7) is coated with stainless steel fireproof covering (8), described stainless steel fireproof covering (8) is provided with embossing, described stainless steel fireproof covering (8) is coated with external sheath layer (9).
2. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1, is characterized in that: the thickness of described stainless steel fireproof covering (8) is 0.80-1.4mm.
3. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1, is characterized in that: described embossing is equidistant embossing, and the spacing of embossing is 3-5mm, and the degree of depth of embossing is 1-2.5mm.
4. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1, is characterized in that: the thickness of described synthetic mica belt (2) is 0.08-0.11mm.
5. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1, is characterized in that: the thickness of described IXPE insulating barrier (3) is 0.13-0.25mm.
6. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1, is characterized in that: described conductor (1) is the stranded stranded conductor of many copper monofilament.
7. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 6, is characterized in that: the sectional area of described stranded conductor is 0.337-0.349mm
2.
8. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1, is characterized in that: described explosion-proof layer (6), inner restrictive coating (7) and external sheath layer (9) are low smoke and zero halogen layer of polyurethane.
9. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1 or 5, is characterized in that: described IXPE insulating barrier (3) is the IXPE insulating barrier that the irradiation being 100-200KGy through irradiation dose is formed.
10. a kind of stainless steel sleeve fire resistant flexible three-core cable according to claim 1 or 5, is characterized in that: described packed layer (4) is the dustless mineral wool rope layer of low smoke and zero halogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941796.0U CN205158931U (en) | 2015-11-24 | 2015-11-24 | Flexible fire prevention three -core cables of nonrust steel bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941796.0U CN205158931U (en) | 2015-11-24 | 2015-11-24 | Flexible fire prevention three -core cables of nonrust steel bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205158931U true CN205158931U (en) | 2016-04-13 |
Family
ID=55694598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520941796.0U Active CN205158931U (en) | 2015-11-24 | 2015-11-24 | Flexible fire prevention three -core cables of nonrust steel bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205158931U (en) |
-
2015
- 2015-11-24 CN CN201520941796.0U patent/CN205158931U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |