CN107221376A - A kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting - Google Patents
A kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting Download PDFInfo
- Publication number
- CN107221376A CN107221376A CN201710483912.2A CN201710483912A CN107221376A CN 107221376 A CN107221376 A CN 107221376A CN 201710483912 A CN201710483912 A CN 201710483912A CN 107221376 A CN107221376 A CN 107221376A
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- Prior art keywords
- fire
- alkali
- cable
- glass fiber
- free glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003365 glass fiber Substances 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 8
- 229920000098 polyolefin Polymers 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000002210 silicon-based material Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001573 adamantine Inorganic materials 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 150000002367 halogens Chemical class 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 230000009967 tasteless effect Effects 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 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 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241000206672 Gelidium Species 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 108010059642 isinglass Proteins 0.000 description 1
- 229910001607 magnesium mineral Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
Abstract
The invention discloses a kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting, the cable includes copper core stranded conductor successively from inside to outside, insulating barrier, alkali-free glass fiber yarn packed layer, lapping layer and oversheath, product insulating barrier and oversheath use ceramic fire-resistant polyolefin material, in the case of aerobic or anaerobic more than 300 DEG C, adamantine ceramic-like inorganic matter housing supporter can be sintered into, combustion is not prolonged, do not drip, flue gas toxity reaches ZA1 grades, secondary injury will not be caused to human body, smoke density light transmittance is up to more than 75-80%, Halogen, it is nontoxic, it is tasteless, heavy metal free, it is without phosphorus, nitrogen, with preferable fire resisting and environmental protection characteristic, excellent insulating properties can be kept simultaneously, the unimpeded of electric power is kept when running into fire, it is easy to the development of evacuating personnel and fire-fighting work.
Description
Technical field
The present invention relates to power cable field, and in particular to a kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting.
Background technology
With the rapid development of the national economy, power cable is applied to industry, the various aspects of power system.Railway station building
The public place concentrated as the stream of people, the guarantee to personal security requires especially high, the cable that present station is used predominantly oxygen
Change magnesium mineral insulated cable, the valuable product, complex manufacturing, and it is big to lay difficulty.Also part uses flexible anti-
Thermoelectricity cable, the fire-resistant isinglass belt moisture absorption that product is used is strong, storage time 3-6 months, and decreasing insulating is rapid after making moist,
Drying and processing is also needed after wrapped, and embrittlement is easy to fall off, and the mica powder of wrapped production scene is flown upward, and is easily sucked by human body, to strong
Health has an impact.Therefore, under current environment, a kind of Safety and Environmental Protection of invention is high, production cost is low, manufacturing process is good and fire resisting
The railway station building cable of excellent seems particularly urgent.
The content of the invention
It is an object of the invention to provide a kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting, Safety and Environmental Protection
It is high, production cost is low, manufacturing process is good and fire-resistance property is superior, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting, it includes cable body, and the cable body is from inside to outside
Include copper core stranded conductor, insulating barrier, alkali-free glass fiber yarn packed layer, fire-retardant inner sheath, ceramic composite band successively wrapped
Layer, oversheath;The copper core stranded conductor is formed by multiply tinned copper wire gluing;The copper core stranded conductor is provided with three groups,
Insulating barrier is extruded with outside every group of copper core stranded conductor;Fire-retardant inner sheath is provided with outside the insulating barrier;The insulating barrier with it is fire-retardant
Space between inner sheath is provided with alkali-free glass fiber yarn packed layer;Extruded outside the fire-retardant inner sheath one layer of ceramic composite band around
Covering;Oversheath is extruded outside the ceramic composite band lapping layer.
It is preferred that, the insulating barrier and oversheath use what ceramic fire-resistant polyolefin material was made.
It is preferred that, the section of the alkali-free glass fiber yarn packing material of the alkali-free glass fiber yarn packed layer is cylinder, is filled into
There is space after cable between every yarn, form passage.
It is preferred that, the packing material alkali-free glass fiber yarn of the alkali-free glass fiber yarn packed layer is made of earth silicon material
's.
Compared with prior art, the beneficial effects of the invention are as follows:
Insulating barrier and oversheath of the present invention use ceramic fire-resistant polyolefin material, the aerobic or nothing more than 300 DEG C
In the case of oxygen, adamantine ceramic-like inorganic matter housing supporter can be sintered into, do not prolong combustion, do not drip, flue gas toxity reaches
To ZA1 grades, secondary injury will not be caused to human body, smoke density light transmittance is up to more than 75-80%, Halogen, nontoxic, tasteless, nothing
Heavy metal, without phosphorus, nitrogen, with preferable fire resisting and environmental protection characteristic, while excellent insulating properties can be kept, when running into fire
The unimpeded of electric power is kept, is easy to the development of evacuating personnel and fire-fighting work;Around packaging material ceramic composite band and ceramic fire resisting
Polyolefine material is the same, starts to be hardened under 300 DEG C of temperatures above and forms the housing of ceramic-like, and cable insulation and sheath material
Material constitutes solid flame retardant coating together, it is ensured that the fire resistance of cable.
Brief description of the drawings
Fig. 1 is cross-sectional structure schematic diagram of the present invention:
Wherein:1st, cable body;2nd, copper core stranded conductor;3rd, insulating barrier;4th, alkali-free glass fiber yarn packed layer;5th, fire-retardant inner sheath;
6th, ceramic composite band lapping layer;7th, oversheath.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme:
A kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting, it includes cable body 1, and the cable body 2 includes copper
Core stranded conductor 2, insulating barrier 3, alkali-free glass fiber yarn packed layer 4, fire-retardant inner sheath 5, ceramic composite band lapping layer 6 and oversheath
7;The copper core stranded conductor 2 is formed by multiply tinned copper wire gluing, is added the bending radius of cable when in use, is easy to
More occasions are installed;The copper core stranded conductor 2 is provided with outside three groups, every group of copper core stranded conductor 2 and is extruded with insulation
Layer 3;Fire-retardant inner sheath 5 is provided with outside the insulating barrier 3;Space between the insulating barrier 3 and fire-retardant inner sheath 5 is provided with nothing
Alkali glass fibre yarn packed layer 5, the section of the alkali-free glass fiber yarn inserts of alkali-free glass fiber yarn packed layer 5 is cylinder, is filled after stranding
There is space between every yarn, form passage, this passage can play good thermolysis, be produced when cable is normally run
Heat can in itself be radiated by these various passages and alkali-free glass fiber yarn;Exterior conductive is come in during fire
Heat can also be conducted by these passages and glass fibre yarn;One layer of ceramic composite band is extruded outside the fire-retardant inner sheath 5
Lapping layer 6;Oversheath 7 is extruded outside the ceramic composite band lapping layer 6.
Ceramic fire-resistant polyolefin insulating barrier 3 and the material of ceramic fire-resistant polyolefin oversheath 7 that the cable is selected,
In the case of more than 300 DEG C of aerobic or anaerobic, adamantine ceramic-like inorganic matter housing supporter is sintered into, the material is not
Water suction, nonhygroscopic, 22~25KV/mm of dielectric strength under normal temperature, specific insulation are hard after ablation up to 2 × 1014 Ω M
Armour body section can generate the ceramic inorganic thing supporter of dense uniform, C-C chains are burnt till the effusion of CO2 gases, the remaining quantity of carbon
Very low, so the dielectric strength of armour body hard after ceramic is more than more than 35KV/mm, specific insulation is more than 2 × 1018
Still there are good insulating properties after Ω M, water spray;In the case of having flame, a nonflame at 300-2000 DEG C, do not melt, do not drip, no
Come off, adamantine ceramic-like armour body supporter can be burnt till, temperature is higher, the ceramic-like armour body after time longer burning is harder
Firmly, residue is inorganic matter, and residual volume is up to 75-85%, and the hard ceramic body supporter of ceramic-like dense uniform can be played very
Fire insulation well, effect of heat insulation, do not fall out after spray, vibrations;Do not prolong combustion when running into fire, do not drip, flue gas toxity reaches
ZA1 grades, secondary injury will not be caused to human body;Smoke density light transmittance is up to more than 75-80%;Halogen, it is nontoxic, tasteless, without weight
Metal, without phosphorus, nitrogen, more than the requirement of ROSH standards, with preferable environmental protection characteristic.
The main component of the alkali-free glass fiber yarn packing material for the selection that the cable alkali-free glass fiber yarn packed layer 4 is selected is dioxy
SiClx, is a kind of highly stable inorganic material, nontoxic, and heat resisting temperature, will not after being heated up to more than 650-1000 DEG C
Produce harmful flue gas;The section of alkali-free glass fiber yarn is cylinder, and filling has space between every yarn after stranding, forms logical
Road, this passage can play good thermolysis, and the heat produced when cable is normally run can be various by these
Passage and alkali-free glass fiber yarn radiated in itself;The heat that exterior conductive is come in during fire can also by these passages and
Glass fibre yarn is conducted.
The cable ceramic composite band lapping layer 6 use around packaging material ceramic composite band and ceramic fire-resistant polyolefin
Material is the same, starts to be hardened under 300 DEG C of temperatures above and forms the housing of ceramic-like, the insulation with cable is together with sheath material
The solid flame retardant coating of composition, it is ensured that the fire resistance of cable.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting, it includes cable body, it is characterised in that:The cable
It is multiple that body includes copper core stranded conductor, insulating barrier, alkali-free glass fiber yarn packed layer, fire-retardant inner sheath, ceramic successively from inside to outside
Crossed belt lapping layer and oversheath;The copper core stranded conductor is formed by multiply tinned copper wire gluing;The copper core stranded conductor is set
It is equipped with outside three groups, every group of copper core stranded conductor and is extruded with insulating barrier;Fire-retardant inner sheath is provided with outside the insulating barrier;The insulation
Space between layer and fire-retardant inner sheath is provided with alkali-free glass fiber yarn packed layer;One layer of ceramic is extruded outside the fire-retardant inner sheath
Composite band lapping layer;Oversheath is extruded outside the ceramic composite band lapping layer.
2. a kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting according to claim 1, it is characterised in that:Institute
State insulating barrier and oversheath uses what ceramic fire-resistant polyolefin material was made.
3. a kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting according to claim 1, it is characterised in that:Institute
The section for stating the alkali-free glass fiber yarn packing material of alkali-free glass fiber yarn packed layer is cylinder, and fill after stranding has between every yarn
Space, forms passage.
4. a kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting according to claim 1, it is characterised in that:Institute
The packing material alkali-free glass fiber yarn for stating alkali-free glass fiber yarn packed layer is that earth silicon material is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710483912.2A CN107221376A (en) | 2017-06-23 | 2017-06-23 | A kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710483912.2A CN107221376A (en) | 2017-06-23 | 2017-06-23 | A kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107221376A true CN107221376A (en) | 2017-09-29 |
Family
ID=59950377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710483912.2A Pending CN107221376A (en) | 2017-06-23 | 2017-06-23 | A kind of environment-friendly type railway station building low-voltage-powered cable of fire resisting |
Country Status (1)
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CN (1) | CN107221376A (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8417496D0 (en) * | 1984-07-09 | 1984-08-15 | Pirelli General Plc | Flexible electric cables |
CN201477975U (en) * | 2009-08-26 | 2010-05-19 | 安徽华峰电缆集团有限公司 | Environment-friendly silicon rubber insulation power cable used on ship |
CN204010772U (en) * | 2014-04-29 | 2014-12-10 | 新亚特电缆股份有限公司 | Rated voltage 450/750V mineral-insulated fireproof type power cable |
CN204651066U (en) * | 2015-03-30 | 2015-09-16 | 中国核电工程有限公司 | A kind of lv power cable |
CN105348627A (en) * | 2015-11-13 | 2016-02-24 | 苏州希普拉斯新材料有限公司 | Ceramifying polyolefin fireproof cable material |
CN205282143U (en) * | 2016-01-18 | 2016-06-01 | 明达线缆集团有限公司 | Fire -retardant fireproof cable of flexible inorganic mineral insulation low smoke and zero halogen |
CN205487526U (en) * | 2016-03-30 | 2016-08-17 | 安徽华通电缆集团有限公司 | Fire -resistant railway tunnel of environment -friendly power cable that throws light on |
CN105976909A (en) * | 2016-03-30 | 2016-09-28 | 安徽华通电缆集团有限公司 | Carbon fiber enhanced high-tensile-strength cold-resistant torsion-resistant flexible cable for wind power generation |
CN205943533U (en) * | 2016-08-30 | 2017-02-08 | 新亚特电缆股份有限公司 | Low -voltage power cable for nuclear power plant |
CN205984375U (en) * | 2016-07-20 | 2017-02-22 | 宁波东方电缆股份有限公司 | Fireproof cable |
CN207097486U (en) * | 2017-06-23 | 2018-03-13 | 安徽华通电缆集团有限公司 | A kind of low-voltage-powered cable of environment-friendly type railway station building fire resisting |
-
2017
- 2017-06-23 CN CN201710483912.2A patent/CN107221376A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8417496D0 (en) * | 1984-07-09 | 1984-08-15 | Pirelli General Plc | Flexible electric cables |
CN201477975U (en) * | 2009-08-26 | 2010-05-19 | 安徽华峰电缆集团有限公司 | Environment-friendly silicon rubber insulation power cable used on ship |
CN204010772U (en) * | 2014-04-29 | 2014-12-10 | 新亚特电缆股份有限公司 | Rated voltage 450/750V mineral-insulated fireproof type power cable |
CN204651066U (en) * | 2015-03-30 | 2015-09-16 | 中国核电工程有限公司 | A kind of lv power cable |
CN105348627A (en) * | 2015-11-13 | 2016-02-24 | 苏州希普拉斯新材料有限公司 | Ceramifying polyolefin fireproof cable material |
CN205282143U (en) * | 2016-01-18 | 2016-06-01 | 明达线缆集团有限公司 | Fire -retardant fireproof cable of flexible inorganic mineral insulation low smoke and zero halogen |
CN205487526U (en) * | 2016-03-30 | 2016-08-17 | 安徽华通电缆集团有限公司 | Fire -resistant railway tunnel of environment -friendly power cable that throws light on |
CN105976909A (en) * | 2016-03-30 | 2016-09-28 | 安徽华通电缆集团有限公司 | Carbon fiber enhanced high-tensile-strength cold-resistant torsion-resistant flexible cable for wind power generation |
CN205984375U (en) * | 2016-07-20 | 2017-02-22 | 宁波东方电缆股份有限公司 | Fireproof cable |
CN205943533U (en) * | 2016-08-30 | 2017-02-08 | 新亚特电缆股份有限公司 | Low -voltage power cable for nuclear power plant |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170929 |
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