CN101887778B - Low-smoke flame-retardant pull tension cable special for elevator monitoring - Google Patents
Low-smoke flame-retardant pull tension cable special for elevator monitoring Download PDFInfo
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- CN101887778B CN101887778B CN2010101680748A CN201010168074A CN101887778B CN 101887778 B CN101887778 B CN 101887778B CN 2010101680748 A CN2010101680748 A CN 2010101680748A CN 201010168074 A CN201010168074 A CN 201010168074A CN 101887778 B CN101887778 B CN 101887778B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 21
- 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 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 239000000779 smoke Substances 0.000 title claims abstract description 20
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 21
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 229920000573 polyethylene Polymers 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000008117 stearic acid Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 3
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 3
- 239000002270 dispersing agent Substances 0.000 claims abstract description 3
- 239000004014 plasticizer Substances 0.000 claims abstract description 3
- 239000003381 stabilizer Substances 0.000 claims abstract description 3
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 241000209140 Triticum Species 0.000 claims description 9
- 235000021307 Triticum Nutrition 0.000 claims description 9
- 239000005030 aluminium foil Substances 0.000 claims description 9
- 238000009954 braiding Methods 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000005491 wire drawing Methods 0.000 claims description 4
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- RWGFKTVRMDUZSP-UHFFFAOYSA-N isopropyl-benzene Natural products CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- LMHHRCOWPQNFTF-UHFFFAOYSA-N s-propan-2-yl azepane-1-carbothioate Chemical compound CC(C)SC(=O)N1CCCCCC1 LMHHRCOWPQNFTF-UHFFFAOYSA-N 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 238000009941 weaving Methods 0.000 abstract 1
- BNEMLSQAJOPTGK-UHFFFAOYSA-N zinc;dioxido(oxo)tin Chemical compound [Zn+2].[O-][Sn]([O-])=O BNEMLSQAJOPTGK-UHFFFAOYSA-N 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012546 transfer Methods 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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- Ropes Or Cables (AREA)
Abstract
The invention belongs to the technical fields of cables, in particular relates to a low-smoke flame-retardant pull tension cable special for elevator monitoring. The cable comprises a copper core conductor (10) of which an outer layer is coated by a polythene insulating layer (20), an aluminum foil nylar layer (30), a tinned copper wire braided layer(40), a fiber filament weaving net layer (50) and a PVC coated layer (60) in turn. The PVC coated layer (60) is made of the following components by weight ratio: 100phr of polyvinyl chloride resin; 10-24phr of graphite; 0.3-1 phr of dispersing agent; 40-120phr of plasticizer; 3-8phr of stabilizer; 10-15phr of choroparaffin; 5-25phr of calcium carbonate; 10phr of isopropylate triphenyl phosphate; 3-5phr of zinc stannate; 2phr of water and zinc borate; 0.1-1.0phr of antioxidant; and 1-15phr of stearic acid. The cable has the advantages of high tensile strength, high flexibility, good flame retardant and smoke suppression performance, reasonable cost performance, and suitability for video transmission and signal control for an elevator monitoring system.
Description
Technical field
The invention belongs to the cable technology field, particularly a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring.
Background technology
Along with the development of society, the application of elevator is increasingly extensive, and 1999, GB50096-1999 " Code for design of dwelling houses " regulation: the height on 7 layers and above dwelling house or the resident family outdoor design of inlet floor identity distance ground surpassed the above dwelling house of 16m elevator must be set.Along with the appearance of intelligent high building groups of building of modern times, the elevator in hotel, restaurant and office building, apartment etc. needs television system to monitor elevator work and active situation, so that in time understand the ruuning situation of elevator; When Lift out of order, also can make rescuer in time understand the situation of elevator trapped personnel, thereby formulate the scheme of rescuing.
That elevator requires is safe and reliable, transfer efficiency is high, leveling accuracy and ride comfort etc., owing to will move up and down frequently, the elevator monitoring line also needs with elevator lifting repeatedly, and the elevator monitoring line just need have stronger tensile strength and flexibility, and restrictive coating should have percentage elongation preferably.
Traditional pvc sheath cable, in case breaking out of fire, cable fire can produce a large amount of dense smokes; make rescue work be difficult to carry out; personnel usually can be smoked by smog and suffocate, and the acid corrosion gas that discharges out simultaneously (HCl gas) also can cause the equipment consequential damages.Ignition of cable prolongs the fire incident that combustion becomes, generally have the intensity of a fire violent, spread fast, put out characteristics such as difficulty, loss are great, not only directly burn a large amount of cables and equipment, and repair time is long, the direct and consequential damage that is caused is all very big, common means of fire generally can not be as stoping cable fire to prolong the essential measure of combustion.Building such as hotel, restaurant and office building, apartment etc. that elevator is installed are crowded usually, and fireproofing is very important, and this just requires the good fire-retardant and smoke suppressing of elevator monitoring cable tool.
Traditional elevator monitoring cable often can not satisfy above-mentioned whole requirement, or exists the high problem of cost,, the invention provides " a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring " based on the demand.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art technical problem to be solved is: a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring is provided.
The present invention by copper core conductor, polyethylene insulation, aluminium foil wheat draw, tinned wird braiding, filament mesh grid, PVC lining from inside to outside, combine this six parts axis coinciding layer by layer.In the middle of mesh grid of cable filament and PVC coating, be symmetrical arranged two and strengthen the stretching resistance steel wire rope.Characteristics such as this cable has that tensile strength height, flexibility are good, flame-retardant smoke inhibition performance excellence, strong interference immunity, cost performance are reasonable.
The present invention is achieved in that
1. cable tinned wird braid installs the filament mesh grid outward additional, in the middle of mesh grid of cable filament and PVC coating, be symmetrical arranged two reinforcement stretching resistance steel wire ropes simultaneously, the PVC lining relies on the interaction of formula materials in addition, makes cable possess excellent resistance to tension thereby have stronger tensile strength under the condition of the good percentage elongation of maintenance.
2. cable adopts tinned wird braiding external shield, is aided with the aluminium foil wheat again and draws, and has good interference free performance.
3. the low-smoke and flame retardant prescription is adopted in this cable outer layer PVC lining, has good flame-retardant smoke inhibition characteristic.
Each component ratio (formulation by weight) is as follows in the prescription:
Corvic 100phr
Graphite 10-24phr
Dispersant 0.3-1phr
Plasticizer 40-120phr
Compound stabilizer 3-8phr chlorinated paraffin wax 10-15phr
Calcium carbonate 5-25phr
Tricresyl phosphate isopropylbenzene ester 10phr
Zinc 3-5phr
Water and Firebrake ZB 2phr
Antioxidant 0.1-1.0phr
Stearic acid 1-15phr
4. cabling process: above-mentioned cable special for elevator monitoring copper core conductor, polyethylene insulation, aluminium foil wheat are drawn, tinned wird braiding, filament mesh grid from inside to outside, combination layer by layer from inside to outside, combination layer by layer, axis coinciding.Install polyvinyl chloride lining additional and strengthen the stretching resistance steel wire rope and carry out synchronously, before extruding, pvc material needs preheating (drying), temperature is controlled to be 60～70 ℃ (warm-up times should above 8 minutes), temperature roughly is set as follows in the extrusion: 130 ℃ of feed zones, 150 ℃ in heating 1 district, 155 ℃ in heating 2 districts, 160 ℃ in heating 3 districts, 165 ℃ in head district will strengthen the stretching resistance steel wire rope and coat with other structure when extruding.
The invention has the beneficial effects as follows:
This cable tensile strength height, flexibility is good, and tool is the flame-retardant smoke inhibition performance preferably, and cost performance is reasonable, is suitable for the video transmission and the signal controlling of elevator monitoring system.Have following characteristics:
1). cable tinned wird braid installs the filament mesh grid outward additional, in the middle of mesh grid of cable filament and PVC coating, be symmetrical arranged two reinforcement stretching resistance steel wire ropes simultaneously, the PVC lining relies on the interaction of formula materials in addition, makes cable possess excellent resistance to tension thereby have stronger tensile strength under the condition of the good percentage elongation of maintenance.
2). cable adopts tinned wird braiding external shield, is aided with the aluminium foil wheat again and draws, and has good interference free performance.
3). the low-smoke and flame retardant prescription is adopted in this cable outer layer PVC lining, has good flame-retardant smoke inhibition characteristic.
Fig. 1 is an internal structure schematic diagram of the present invention;
Description of drawings
Description of reference numerals:
10, copper core conductor 20, polyethylene layer 30, aluminium foil wheat are drawn layer
40, tinned wird braid 50, filament woven mesh layer 60, PVC coating
70, strong stretching resistance steel wire rope
The present invention will be further described below in conjunction with example:
Embodiment
In Fig. 1, a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring comprises copper core conductor 10, and copper core conductor 10 skins draw layer 30, tinned wird braid 40, filament woven mesh layer 50, PVC coating 60 to coat successively by polyethylene layer 20, aluminium foil wheat.
In the present embodiment, be symmetrical arranged two in the middle of filament woven mesh layer 50 and the PVC coating 60 and strengthen stretching resistance steel wire rope 70.
Get 100 parts of Corvics as base-material, add 16 parts of graphite powders, 0.5 part of oleamide, trioctyl trimellitate (TOTM) 40,1 part of barium stearate, NdCl
30.5 part, 0.5 part of zinc stearate, 0.5 part of triphenyl phosphate, 0.5 part of bipentaerythrite, 10 parts of tricresyl phosphate isopropylbenzene esters, 12 parts of chlorinated paraffin waxs, 20 parts in calcium carbonate, 3 parts of zinc, 2 parts of water and Firebrake ZBs, 0.2 part of tricresyl phosphite (nonyl phenyl ester), 1 part of stearic acid.Mix each component, labor and materials are added high temperature stir companion's machine, the stirring of under 100 ℃, heating, it is mixing to adopt spiral material-uploading style adding twin-screw mixer machine to carry out, and the control temperature is 120-135 ℃.Add the single screw extrusion machine extruding pelletization again.Labor and materials are added screening machine screen, dry, enter drying machine drying again, make the material grain with drier.
The processing stranding:
1, the copper core is carried out wire drawing
2, with described wire drawing copper annealing, and strand is made heart yearn
3, install polyethylene insulation additional
4, coating the aluminium foil wheat draws
5, install tinned wird braiding, filament braiding additional
6, install polyvinyl chloride lining and strengthen the stretching resistance steel wire rope and carry out synchronously additional, polyvinyl chloride material grain is extruded preceding preheating (drying) 10 minutes, preheat temperature is set at 60 ℃, temperature is set as follows in the extrusion: 130 ℃ of feed zones, 150 ℃ in heating 1 district, 155 ℃ in heating 2 districts, 160 ℃ in heating 3 districts, 165 ℃ in head district will strengthen the stretching resistance steel wire rope and coat with other structure when extruding, make a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring of the present invention.
Regulation according to GB/T 8815-2008 detects sheath material, and performance is as follows:
1 hot strength 28MPa
2 fracture elongation strains 270%
3 thermal change types 30%
Heat-stable time 92min in the time of 5200 ℃
Specific insulation 7.4 * 10 in the time of 620 ℃
13Ω .m
7 dielectric strength 25MV/m
8 heat aging performances (100 ± 2 ℃ of 168h)
Aging after-drawing intensity 24MPa
Hot strength rate of change 14.2%
The fracture elongation strain 245% of aging back
The maximum rate of change 9% of fracture elongation strain
Heat ageing mass loss 2.0g/m
2
The finished cable test:
1. after finished cable wore out in 100 ℃ * 7 days, the bonding degree of different parts is checked: excellent
2.3500 lie prostrate dielectric strength inspection in 5 minutes: qualified
3. frame propagation test carries out according to IEC60332-1: high flame retardant.
The above, it only is the preferred embodiment of a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring of the present invention, be not that technical scope of the present invention is imposed any restrictions, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention above any trickle modification, equivalent variations and modification that embodiment did.
Claims (3)
1. low-smoke flame-retardant pull tension cable special for elevator monitoring, comprise copper core conductor (10), it is characterized in that: described copper core conductor (10) is outer to draw layer (30), tinned wird braid (40), filament woven mesh layer (50), PVC coating (60) to coat successively by polyethylene layer (20), aluminium foil wheat, described PVC coating (60) adopts following prescription to form, and each composition weight formula rate is as follows:
Corvic 100phr;
Graphite 10-24phr;
Dispersant 0.3-1phr;
Plasticizer 40-120phr;
Stabilizer 3-8phr;
Chlorinated paraffin wax 10-15phr;
Calcium carbonate 5-25phr;
Tricresyl phosphate isopropylbenzene ester 10phr;
Zinc 3-5phr;
Water and Firebrake ZB 2phr;
Antioxidant 0.1-1.0phr;
Stearic acid 1-15phr.
2. according to the described a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring of claim 1, it is characterized in that being symmetrical arranged two reinforcement stretching resistance steel wire ropes (70) in the middle of described filament woven mesh layer (50) and the PVC coating (60).
3. a kind of low-smoke flame-retardant pull tension cable special for elevator monitoring according to claim 1 is characterized in that described cable special for elevator monitoring cabling process step is:
1), the copper core is carried out wire drawing;
2), with the annealing of described wire drawing copper, and strand is made heart yearn;
3), install polyethylene insulation additional;
4), coating the aluminium foil wheat draws;
5), install tinned wird braiding, filament braiding additional;
6), install polyvinyl chloride lining and strengthen the stretching resistance steel wire rope and carry out synchronously additional, preheating and drying was 10 minutes before pvc material was extruded, preheat temperature is set at 60 ℃, temperature is set as follows in the extrusion: 130 ℃ of feed zones, 150 ℃ in heating 1 district, 155 ℃ in heating 2 districts, 160 ℃ in heating 3 districts, 165 ℃ in head district will strengthen the stretching resistance steel wire rope and coat with other structure when extruding, make finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101680748A CN101887778B (en) | 2010-05-05 | 2010-05-05 | Low-smoke flame-retardant pull tension cable special for elevator monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101680748A CN101887778B (en) | 2010-05-05 | 2010-05-05 | Low-smoke flame-retardant pull tension cable special for elevator monitoring |
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| Publication Number | Publication Date |
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| CN101887778A CN101887778A (en) | 2010-11-17 |
| CN101887778B true CN101887778B (en) | 2011-11-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102446586B (en) * | 2011-08-30 | 2013-08-28 | 上海贝恩科电缆有限公司 | Rat-proof termite-proof low-smoke low-halogen leadless flame-retardant control cable for elevator shaft |
| CN103871564A (en) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | Novel micro coaxial cable |
| CN104157338A (en) * | 2014-07-11 | 2014-11-19 | 安徽宏源特种电缆集团有限公司 | Leakage coaxial cable with strong radiation signals for coal mine |
| CN105469851B (en) * | 2016-01-14 | 2017-06-30 | 深圳市红旗电工科技有限公司 | Elevator network cable and its manufacture method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29913737U1 (en) * | 1999-08-06 | 2000-02-10 | Habia Cable GmbH, 40217 Düsseldorf | High temperature resistant cable |
| JP2001155552A (en) * | 1999-11-29 | 2001-06-08 | Hitachi Cable Ltd | Impact-proof insulated wire |
| CN101134831A (en) * | 2007-07-25 | 2008-03-05 | 盐城庆达化工有限公司 | Manufacturing method of polyvinyl chloride composite material for elevator compensating rope |
-
2010
- 2010-05-05 CN CN2010101680748A patent/CN101887778B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 仉元龙等.低烟低卤PVC阻燃护套料配方研究.《中国塑料》.2006,第20卷(第7期),62-64. * |
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Denomination of invention: Low-smoke flame-retardant pull tension cable special for elevator monitoring Effective date of registration: 20140819 Granted publication date: 20111123 Pledgee: Shenzhen SME credit financing guarantee Group Co.,Ltd. Pledgor: SHENZHEN LIANJIAXIANG SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: 2014990000669 |
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Denomination of invention: A special cable for monitoring and control of low-smoke, flame-retardant and tensile-resistant elevators Effective date of registration: 20220817 Granted publication date: 20111123 Pledgee: Bank of Communications Limited Shenzhen Branch Pledgor: SHENZHEN LIANJIAXIANG SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022440020165 |
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Denomination of invention: A low smoke, flame-retardant and tensile resistant elevator monitoring special cable Granted publication date: 20111123 Pledgee: Bank of Communications Limited Shenzhen Branch Pledgor: SHENZHEN LIANJIAXIANG SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2024980036242 |