CN203773998U - Thermoplastic ceramic low-smoke halogen-free polyolefin low-voltage insulating fireproof cable - Google Patents
Thermoplastic ceramic low-smoke halogen-free polyolefin low-voltage insulating fireproof cable Download PDFInfo
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- CN203773998U CN203773998U CN201420180866.0U CN201420180866U CN203773998U CN 203773998 U CN203773998 U CN 203773998U CN 201420180866 U CN201420180866 U CN 201420180866U CN 203773998 U CN203773998 U CN 203773998U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 40
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 23
- 239000000779 smoke Substances 0.000 title claims abstract description 23
- 229920001169 thermoplastic Polymers 0.000 title abstract 5
- 239000004416 thermosoftening plastic Substances 0.000 title abstract 5
- 239000004020 conductor Substances 0.000 claims abstract description 60
- 238000009413 insulation Methods 0.000 claims description 40
- 239000011248 coating agent Substances 0.000 claims description 34
- 238000000576 coating method Methods 0.000 claims description 34
- 230000009970 fire resistant effect Effects 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 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 description 13
- 239000003063 flame retardant Substances 0.000 claims description 13
- 239000010445 mica Substances 0.000 claims description 10
- 229910052618 mica group Inorganic materials 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 4
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 4
- 150000001282 organosilanes Chemical class 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 abstract 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 229910000077 silane Inorganic materials 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 14
- 239000011707 mineral Substances 0.000 description 14
- 239000000945 filler Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 6
- 229920002379 silicone rubber Polymers 0.000 description 6
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 5
- 230000003078 antioxidant effect Effects 0.000 description 5
- 239000004711 α-olefin Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 229910052628 phlogopite Inorganic materials 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- IIGMITQLXAGZTL-UHFFFAOYSA-N octyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCC IIGMITQLXAGZTL-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 235000010339 sodium tetraborate Nutrition 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- NTBYNMBEYCCFPS-UHFFFAOYSA-N azane boric acid Chemical class N.N.N.OB(O)O NTBYNMBEYCCFPS-UHFFFAOYSA-N 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical group O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004328 sodium tetraborate Chemical group 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical group [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical group [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model provides a thermoplastic ceramic low-smoke halogen-free polyolefin low-voltage insulating fireproof cable, and belongs to the technical field of electric wires and cables. The cable comprises a cable core and a sheath layer. The cable core comprises at least two conductive wires, a wrapping tape layer which is arranged outside the conductive wires, and a filling layer which is filled outside the conductive wires and arranged in the wrapping tape layer. The sheath layer is arranged outside the wrapping tape layer. Each conductive wire comprises a conductor and a conductor insulating layer. The cable is characterized in that each conductive wire also comprises a thermoplastic fireproof layer which is combined outside the conductor. The conductor insulating layer is arranged outside the thermoplastic fireproof layer which is a ceramic thermoplastic fireproof material layer. The conductor insulating layer is a silane cross-linking polyethylene insulating layer. The wrapping tape layer is a fireproof wrapping tape. The filling layer is a fireproof filling layer. The sheath layer is a low-smoke halogen-free polyolefin sheath layer. Manufacturing process is concise, and manufacturing efficiency is high without harsh requirements for an extruder; overall fireproof grade is guaranteed; production efficiency is high so that the industrialized amplification production requirement can be met; poisonous and harmful gas is not released in combustion; and light transmittance is great.
Description
Technical field
The utility model belongs to technical field of electric wires and cables, is specifically related to a kind of thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable.
Background technology
Above mentioned thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable refers to the low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable at conductor with ceramic thermoplasticity refractory masses outward.
Low-voltage insulation fire-resisting cable in prior art mainly contains following several: the one, and ceramic silicon rubber low-voltage insulation fire-resisting cable, " a kind of high temperature resistant refractory ceramics silica rubber cable " and " a kind of ceramic silicon rubber insulation fireproof cable " that CN202749140U provides of the open as Granted publication CN202167252U recommendation of the typical document of this type of cable, etc.This cable is owing to needing silicon rubber vulcanization in manufacture process, thereby technique is relatively loaded down with trivial details, and extruder is had to fastidious property (common extruder cannot be suitable for), and the manufacture efficiency of cable is low; The 2nd, the low-voltage insulation fire-resisting cable of wrapped mica tape, open " a kind of mineral insulated cable " introduced as Chinese patent utility model Granted publication CN202736545U of typical document, this patent is by mica tape and glass fiber tape composition hot-face insulation composite bed.This type of cable is owing to occurring that in manufacture process the probability of mica tape fracture, bottom pour ladle is higher, thereby fire resistant quality requires to be difficult to control, and easily produces the situation that mica layer comes off in wrapped process, makes cable expose discontinuity fire resistance rating defective, the 3rd, mineral insulation fire-resisting cable, the open core refractory power cable of protective metal shell of mineral insulation as mono-in CN200993894Y(of typical patent documentation of this type of cable), CN200986608Y(insulating protective metal shell of mineral four-in-one refractory optical cable), the fire-resistant branch cable of CN103165231A(mineral insulation), CN102651252A(flexible mineral insulated cable), the self-enclosed mineral insulated cable of CN203026217U(), the fire-resistant branch cable of CN103165235A(mineral insulating flexible), the fire-resistant branch cable of CN103165232A(mineral insulation), CN102800384A(is high temperature resistant mineral insulation flexible cable and manufacture method thereof) and CN103646721A(flexible mineral insulation aluminium core fireproof cable), etc..The shortcoming of mineral insulation fire-resisting cable is because working (machining) efficiency is low, to the having relatively high expectations of equipment, thereby causes the cost of cable high.
In addition, the low-voltage insulation fire-resisting cable of above-mentioned ceramic silicon rubber low-voltage insulation fire-resisting cable and wrapped mica tape is owing to can produce toxic and harmful in the time burning, easily cause secondary harm, thereby cannot meet high stability to modern halogen-free cable and harsh environmental requirement, for example cannot meet ROHS and the REACH command request of European Union.
For above-mentioned prior art, very there is improved necessity, the applicant has done repeatedly and useful exploration and design have formed technical scheme described below finally for this reason.
Summary of the invention
Task of the present utility model is to provide a kind of thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable, it is loaded down with trivial details that this cable had both contributed to make up ceramic silicon rubber low-voltage insulation fire-resisting cable manufacturing process, extruder is had fastidious property and manufactures inefficient shortcoming and use simplified manufacturing technique and improve extrusion efficiency, be conducive to again overcome the low-voltage insulation fire-resisting cable entirety poor deficiency of fire resistance rating of wrapped mica tape and use the overall fire resistance rating requirement that meets cable, also be of value to and eliminate the drawback that mineral insulation fire-resisting cable working (machining) efficiency is low and cost is high and use and meet industrial amplification production requirement, and then have and be convenient to embody the desirable feature of environmental protection and light transmittance and use and meet ROHS and the REACH command request promulgated such as European Union.
Task of the present utility model completes like this, a kind of thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable, comprise cable core and be positioned at the restrictive coating outside cable core, cable core comprises at least two wires, be positioned at the belting layer outside wire and be filled in packed layer outside wire and that be positioned at belting layer, described restrictive coating is positioned at outside belting layer, described wire comprises conductor and insulating layer of conductor, be characterised in that: described wire also includes thermoplasticity flame retardant coating, this thermoplasticity flame retardant coating is incorporated into outside described conductor, described insulating layer of conductor is positioned at outside thermoplasticity flame retardant coating, wherein: described thermoplasticity flame retardant coating is ceramic thermoplasticity refractory masses, described insulating layer of conductor is organosilane crosslinked polyethylene insulation layer, described belting layer is fire-resistant wrapping tape, described packed layer is fire-resistant packed layer, described restrictive coating is low-smoke halogen-free polyolefin restrictive coating.
In a specific embodiment of the present utility model, the cross-sectional area of described conductor is 1.5-500 ㎜
2.
In another specific embodiment of the present utility model, described conductor is single bare copper conductor, single tinned copper conductor, exposed thin copper wire stranded conductor or tin plated wire copper wire twisting conductor
In another specific embodiment of the present utility model, described exposed thin copper wire stranded conductor and the outermost layer of described tin plated wire copper stranded conductor are that left-hand is stranded, and direction of lay is between layers contrary.
In another specific embodiment of the present utility model, the 10-25 that described stranded twisting pitch is stranded conductor diameter doubly.
Also have in a specific embodiment of the present utility model, the thickness of described insulating layer of conductor is 0.7-2.8 ㎜; The thickness of described restrictive coating 2 is 0.8-3.5 ㎜.
More of the present utility model and in a specific embodiment, described fire-resistant wrapping tape is glass fibre belt, mica tape or Halogen band.
In of the present utility model and then a specific embodiment, described fire-resistant packed layer is glass fiber rope.
Of the present utility model again more and in a specific embodiment, the thickness of described ceramic thermoplasticity refractory masses is 0.3-0.8mm.
The technical scheme that the utility model provides is owing to being combined with at the conductor that forms wire the thermoplasticity flame retardant coating of being filled the post of by ceramic thermoplasticity refractory masses outward, and insulating layer of conductor is adopted to organosilane crosslinked polyethylene insulation layer, belting layer is adopted to fire-resistant wrapping tape, packed layer is adopted to fire-resistant packed layer and restrictive coating is adopted to low-smoke halogen-free polyolefin restrictive coating, thus for the ceramic silicon rubber low-voltage insulation fire-resisting cable in prior art, have manufacturing process terse, manufacture efficiency high and to extruder the strong point without harsh requirement; For the low-voltage insulation fire-resisting cable of the wrapped mica tape in prior art, have advantages of that overall fire resistance rating is ensured; For the mineral insulation fire-resisting cable in prior art, have production efficiency high and met industrial amplification production require feature; When burning, can not discharge toxic and harmful, can meet ROHS and REACH command request; There is good light transmittance.
Brief description of the drawings
Fig. 1 is embodiment schematic diagram of the present utility model.
Embodiment
Embodiment 1:
Refer to Fig. 1, Fig. 1 has provided the shape of cross section of the utility model thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable, comprise cable core 1 and be positioned at the restrictive coating 2 outside cable core 1, in the present embodiment, cable core comprises five wires 11, is positioned at the belting layer 12 outside wire 11 and is filled in packed layer 13 outside five wires 11 and that be positioned at belting layer 12.As shown in Figure 1, restrictive coating 2 is positioned at outside belting layer 12, specifically adopts the usual expressing technique of cable industry that restrictive coating 2 is squeezed and is overlying on outside cable core 1, more precisely squeezes and is overlying on outside belting layer 12.Five wires respectively comprise conductor 111 and are coated on the insulating layer of conductor 112 outside conductor 111.
The technical essential of the technical scheme providing as the utility model: aforesaid wire 11 also includes thermoplasticity flame retardant coating 113, this thermoplasticity flame retardant coating 113 is incorporated into outside conductor 111, and aforesaid insulating layer of conductor 112 is positioned at outside thermoplasticity flame retardant coating 113.And then, ceramic thermoplasticity refractory masses is served as to thermoplasticity flame retardant coating 113, organosilane crosslinked polyethylene insulation layer is served as to insulating layer of conductor 112, fire-resistant wrapping tape is served as to belting layer 12, fire-resistant packed layer is filled to packed layer 13, low-smoke halogen-free polyolefin restrictive coating is served as to restrictive coating 2.
Applicant it should be noted that: be five although show in the present embodiment the quantity of wire 11, obviously should be subject to this and count quantitative limitation, can comply with and need increase and decrease, but at least need two.
Conductor in the present embodiment is single bare copper conductor, and its sectional area is 1.5 ㎜
2; The thickness of aforesaid insulating layer of conductor 112 is 0.7 ㎜; The thickness of aforesaid restrictive coating 2 is 1.2 ㎜; Aforesaid fire-resistant wrapping tape layer 12 is glass fibre belt, i.e. glass fiber tape; Aforesaid fire-resistant packed layer is glass fiber rope, i.e. glass cord.
The thickness of the ceramic thermoplasticity refractory masses in the present embodiment is 0.8 ㎜, this ceramic thermoplasticity refractory masses both can obtain by commercially available channel, for example adopt by Jiangsu Province, China Changshu City forever abundant electric wire special material Co., Ltd produce and before the application proposes, be CSYY-397B ceramic thermoplasticity refractory material at the trade mark of market sale, also can self manufacture, this ceramic thermoplasticity refractory masses of self manufacture is made up of the following raw material of proportioning by weight: 100 parts of ethene-alpha-olefin copolymers, filler A100-300 part, filler B5-30 part, lubricant 0.5-8 part and antioxidant 0.1-1 part, described filler A is muscovite, sericite or phlogopite, described filler B is boric anhydride, borax, ammonium borate or Firebrake ZB, described lubricant is stearic acid, BS, octyl stearate, calcium stearate, zinc stearate, atoleine, solid paraffin, microcrystalline wax, Tissuemat E, viscous silicone fluid or silicone masterbatch, described antioxidant is antioxidant 1010,1076,168,626,300 or DSTDP.In the present embodiment, 100 parts of ethene-alpha-olefin copolymers, filler A are that 300 parts of muscovites, filler B are that 20 parts of boraxs, lubricant are 0.5 part of 8 parts of BSs and antioxidant 1010.
Embodiment 2:
Figure slightly, only uses conductor 111 instead single tinned copper conductor, and sectional area changes 100 ㎜ into
2change the thickness of insulating layer of conductor 112 into 1.2 ㎜, change the thickness of restrictive coating 2 into 2 ㎜, use fire-resistant wrapping tape instead mica tape, change the thickness of ceramic thermoplasticity refractory masses into 0.6 ㎜, ceramic thermoplasticity refractory masses is changed into by the following raw material of proportioning by weight and being formed: 100 parts of ethene-alpha-olefin copolymers, filler A are that 100 parts of sericites, filler B are that 5 parts of ammonium borates, lubricant are 0.8 part of 0.5 part of octyl stearate and antioxidant 1076.All the other are all with the description to embodiment 1.
Embodiment 3:
Use conductor 111 instead exposed thin copper wire stranded conductor, cross-sectional area is 500 ㎜
2, the outermost layer of this exposed thin copper wire stranded conductor is that left-hand is stranded, and direction of lay is between layers contrary, stranded joint square is 25 times of stranded conductor diameter, change the thickness of insulating layer of conductor 112 into 2.8 ㎜, change the thickness of restrictive coating 2 into 3.5 ㎜, use fire-resistant wrapping tape instead Halogen band, change the thickness of ceramic thermoplasticity refractory masses into 0.5 ㎜, ceramic thermoplasticity refractory masses is changed into by the following raw material of proportioning by weight and being formed: 100 parts of ethene-alpha-olefin copolymers, filler A is 200 parts of phlogopite, filler B is 30 parts of Firebrake ZBs, lubricant is 0.4 part of 0.6 part of Tissuemat E and antioxidant DSTDP.All the other are all with the description to embodiment 1.
Embodiment 4:
Use conductor 111 instead zinc-plated thin copper wire stranded conductor, cross-sectional area is 400 ㎜
2, the outermost layer of zinc-plated thin copper wire stranded conductor is stranded to left-hand, and direction of lay is between layers contrary, twisting pitch is 10 times of stranded conductor diameter, change the thickness of insulating layer of conductor 112 into 2 ㎜, change the thickness of restrictive coating 2 into 0.8 ㎜, change the thickness of ceramic thermoplasticity refractory masses into 0.3 ㎜, and ceramic thermoplasticity refractory masses is changed into by the following raw material of proportioning by weight and being formed: 100 parts of ethene-alpha-olefin copolymers, filler A is 250 parts of phlogopite, filler B is 15 parts of boric anhydrides, lubricant is 0.1 part of 0.7 part of silicone masterbatch and antioxidant 300.All the other are all with the description to embodiment 1.
Claims (9)
1. a thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable, comprise cable core (1) and be positioned at the outer restrictive coating (2) of cable core (1), cable core (1) comprises at least two wires (11), be positioned at the outer belting layer (12) of wire (11) and be filled in packed layer (13) outside wire (11) and that be positioned at belting layer (12), described restrictive coating (2) is positioned at outside belting layer (12), described wire (11) comprises conductor (111) and insulating layer of conductor (112), it is characterized in that: described wire (11) also includes thermoplasticity flame retardant coating (113), this thermoplasticity flame retardant coating (113) is incorporated into outside described conductor (111), described insulating layer of conductor (112) is positioned at outside thermoplasticity flame retardant coating (113), wherein: described thermoplasticity flame retardant coating (113) is ceramic thermoplasticity refractory masses, described insulating layer of conductor (112) is organosilane crosslinked polyethylene insulation layer, described belting layer (12) is fire-resistant wrapping tape, described packed layer (13) is fire-resistant packed layer, described restrictive coating (2) is low-smoke halogen-free polyolefin restrictive coating.
2. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 1, the cross-sectional area that it is characterized in that described conductor (111) is 1.5-500 ㎜
2.
3. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 1 and 2, is characterized in that described conductor (111) is for single bare copper conductor, single tinned copper conductor, exposed thin copper wire stranded conductor or tin plated wire copper wire twisting conductor.
4. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 3, it is characterized in that described exposed thin copper wire stranded conductor and the outermost layer of described tin plated wire copper stranded conductor are that left-hand is stranded, and direction of lay is between layers contrary.
5. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 4, is characterized in that 10-25 that described stranded twisting pitch is stranded conductor diameter doubly.
6. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 1, the thickness that it is characterized in that described insulating layer of conductor (112) is 0.7-2.8 ㎜; The thickness of described restrictive coating (2) is 0.8-3.5 ㎜.
7. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 1, is characterized in that described fire-resistant wrapping tape is glass fibre belt, mica tape or Halogen band.
8. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 1, is characterized in that described fire-resistant packed layer is glass fiber rope.
9. thermoplasticity ceramic low-smoke halogen-free polyolefin low-voltage insulation fire-resisting cable according to claim 1, the thickness that it is characterized in that described ceramic thermoplasticity refractory masses is 0.3-0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180866.0U CN203773998U (en) | 2014-04-15 | 2014-04-15 | Thermoplastic ceramic low-smoke halogen-free polyolefin low-voltage insulating fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180866.0U CN203773998U (en) | 2014-04-15 | 2014-04-15 | Thermoplastic ceramic low-smoke halogen-free polyolefin low-voltage insulating fireproof cable |
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| Publication Number | Publication Date |
|---|---|
| CN203773998U true CN203773998U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180866.0U Expired - Lifetime CN203773998U (en) | 2014-04-15 | 2014-04-15 | Thermoplastic ceramic low-smoke halogen-free polyolefin low-voltage insulating fireproof cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203773998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928157A (en) * | 2014-04-15 | 2014-07-16 | 中利科技集团股份有限公司 | Thermoplastic ceramic low smoke zero halogen polyolefin low pressure insulation refractory cable |
-
2014
- 2014-04-15 CN CN201420180866.0U patent/CN203773998U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928157A (en) * | 2014-04-15 | 2014-07-16 | 中利科技集团股份有限公司 | Thermoplastic ceramic low smoke zero halogen polyolefin low pressure insulation refractory cable |
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Address after: 215542 Jiangsu city in Suzhou Province, Southeast of Changshu Economic Development Zone No. 8 Chang kunlu Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Address before: 215542 Jiangsu city in Suzhou Province, Southeast of Changshu Economic Development Zone No. 8 Chang kunlu Patentee before: ZHONGLI SCI-TECH GROUP Co.,Ltd. |
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Granted publication date: 20140813 |