CN103871583B - A kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables - Google Patents
A kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables Download PDFInfo
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- CN103871583B CN103871583B CN201410062684.8A CN201410062684A CN103871583B CN 103871583 B CN103871583 B CN 103871583B CN 201410062684 A CN201410062684 A CN 201410062684A CN 103871583 B CN103871583 B CN 103871583B
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Abstract
The invention discloses a kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables, including multiple heart yearns；Each heart yearn includes two conductors, two filled cores increased in described two conductor pair twists and the plastic-aluminum combined layer of one side coated outside all conductors and filled core of Jing pair twists, each conductor includes the wire and the laminated polyester film being coated on outside wire and insulating barrier positioned at middle part, and insulating barrier is made with Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber using nuclear power；Multiple heart yearns constitute cable core, outside the cable core coat lapping layer, coat silver-gilt copper wire braiding layer, restrictive coating is coated outside silver-gilt copper wire braiding layer outside lapping layer, and the restrictive coating is made with Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber using nuclear power.Low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables proposed by the present invention, its Flouride-resistani acid phesphatase, advantages of good shielding performance, stretch-resistance and pliability are good, can use safely under nuclear power plant environment for a long time.
Description
Technical field
The present invention relates to field of cable technology, more particularly to a kind of low smoke and zero halogen 1E types used in nuclear power station K3 levels calculating electromechanics
Cable.
Background technology
As industrial automation level is improved constantly, the continuous development of instrument and meter is carried to the temp measuring system of instrument and meter
Gone out higher requirement, temperature measuring device instrument local environment more severe, this performance indications to compensating cable propose it is higher will
Ask.
Generation Ⅲ arranges two loop units for single heap, and 60 years projected lives, main security system adopt non-energy
Dynamic design, is arranged in containment, and containment is double-decker, and outer layer is prestressed concrete, and internal layer is steel plate structure.Mesh
Before, the cable used by nuclear power station in cost consideration mostly be single-layer shield single-layer sheath, this result in cable anti-interference and
Wearability is not high, especially nuclear power station computer cable, and which is had high demands to shield effectiveness, and existing single-layer shield monolayer shield
Nested structure cannot meet requirement.Further, since the special environment of nuclear power station, the safety and anti-radiation performance to cable also will
High requirement.How to ensure that cable is used safely in nuclear power station special environment, prevent potential safety hazard, and ensure the screen of cable
Cover effect, the problem that always industry is explored.
The content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of low smoke and zero halogen 1E type used in nuclear power station
K3 level computer cables, its Flouride-resistani acid phesphatase, advantages of good shielding performance, stretch-resistance and pliability are good, can for a long time under nuclear power plant environment
Safe handling.
A kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables proposed by the present invention, including multiple heart yearns；Each
Two conductors that heart yearn includes Jing pair twists, two filled cores increased in described two conductor pair twists and in all conductors and
The plastic-aluminum combined layer of one side coated outside filled core, each conductor include positioned at middle part wire and be coated on outside wire
Laminated polyester film and insulating barrier, insulating barrier are made with Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber using nuclear power；Multiple heart yearns constitute cable core,
Lapping layer is coated outside the cable core, silver-gilt copper wire braiding layer is coated outside lapping layer, outside silver-gilt copper wire braiding layer
Cladding restrictive coating, the restrictive coating are made with Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber using nuclear power.
Preferably, the filled core is made using politef.
Preferably, the pair twist pitch ratio of described two conductors is 11 times～14 times.
Preferably, the silver-gilt copper wire braiding layer count is more than 80%.
Preferably, the thickness of the laminated polyester film is 0.1-0.25mm.
Preferably, the wire is using the stranded formation of many tin plating copper free wires.
Preferably, the plastic layer of the plastic-aluminum combined layer of the one side is inward-facing and metal is faced out, the side of the wrapped wire
To consistent with the direction of lay of described two conductors.
In the present invention, major insulation is played as sealing coat using laminated polyester film between the wire and insulating barrier of conductor
The effect of protection, its performance stable for extended periods of time, while on the premise of the total external diameter of cable is not affected delaying insulating barrier aging；Two
Individual conductor increases filled core in pair twist, in wide temperature range, it is ensured that while cable machinery performance, it is ensured that pliability；
One side plastic-aluminum combined layer is coated with outside each pair conductor all, its plastics is inward-facing and metal is faced out, which will be two conductors wrapped
While together, play a part of separated-shielding, which plays a part of to strengthen shield effectiveness together with total screen layer of cable；Plating
Silver-copper wire braiding layer, as total screen layer, the scope of increase shielding electromagnetic wave, while light weight with pliability；Insulating barrier
Made with Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber using nuclear power with restrictive coating, with temperature range width, softness, wear-resisting, anti-irradiation
Etc. characteristic, while environment friendly and pollution-free so that cable electric property under nuclear power plant environment is stable, and ageing resistace is good, using the longevity
Life length.
In the preferred version of the present invention, the pair twist pitch ratio of two conductors is 11 times -14 times, is strengthening cable pull resistance
While with structural stability, it is ensured that the requirement of cable flexibility；The count of silver-gilt copper wire braiding layer is improved more than 80%
The ability of the interference of anti-outer signals；The direction of the wrapped wire of the plastic-aluminum combined layer of one side is stranded with described two conductors
Direction is consistent, further stablizes the lay configuration of two conductors.
Description of the drawings
Fig. 1 is a kind of structural representation of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables proposed by the present invention.
Specific embodiment
As shown in figure 1, Fig. 1 is a kind of knot of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables proposed by the present invention
Structure schematic diagram.
With reference to Fig. 1, a kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables proposed by the present invention, including seven cores
Line.
Include two conductors, 1, two filled cores 2 inside each heart yearn and outside all two conductors 1 and two filled cores 2
The plastic-aluminum combined layer of one side 3 of portion's cladding.Inside each conductor 1 including the stranded formation of many tin plating copper free wires wire 11, lead
Mylar 12,12 outside coated insulation layer 13 of mylar are coated outside line 11.12 thickness of mylar is 0.2mm, as
Sealing coat between wire 11 and insulating barrier 13, the effect with major insulation protection.Insulating barrier 13 is low with Flouride-resistani acid phesphatase using nuclear power
Cigarette halogen-free silicone rubber is made.
By two 1 pair twists of conductor, and increase by two politef filled cores 2 in pair twist, pair twist pitch ratio is 14 times.
The plastic-aluminum combined layer 3 of one side is coated outside all two conductors 1 and filled core 2, heart yearn is formed.The modeling of the plastic-aluminum combined layer of one side 3
The bed of material is inward-facing and the outside wrapped conductor 1 of metal level, protects the insulating barrier 13 of conductor 1.Also, the plastic-aluminum combined layer of the one side 3
Lapping direction it is consistent with the pair twist direction of two conductors 1.Meanwhile, it is outside that the thin aluminium lamination of the plastic-aluminum combined layer of one side 3 plays shielding
The effect of electromagnetic wave, plastic layer can corrosion that is moistureproof and preventing external chemicals.
Seven heart yearns are twisted into into cable core, lapping layer 4 are coated outside cable core, coat silver-gilt copper wire and compile outside lapping layer 4
Tissue layer 5.Restrictive coating 6 is coated outside silver-gilt copper wire braiding layer 5, restrictive coating 6 adopts nuclear power Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber system
Into.
In two 1 pair twists of conductor in each heart yearn increase politef filled core, strengthen cable pull resistance and
While structural stability, it is ensured that the requirement of cable flexibility.Meanwhile, the pair twist pitch ratio of two conductors 1 is 14 times, in wide temperature
In the range of degree, while both having strengthened cable machinery performance, pliability is in turn ensure that.Meanwhile, the wrapped side of the plastic-aluminum combined layer of one side 3
It is consistent to the pair twist direction with two conductors 1, two conductors 1 and two filled cores 2 of pair twist are tightly strapped in from outside
Together, stabilized treatment has been carried out to cable core internal structure.
In order to ensure the life-time service of cable, laminated polyester film 12 is adopted between the wire 11 and insulating barrier 13 of conductor 1
As sealing coat, play a part of major insulation protection, its performance stable for extended periods of time, while before the total external diameter of cable is not affected
Put and delay insulating barrier aging.Had using insulating barrier 13 and restrictive coating 6 made by nuclear power Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber
The characteristics such as high temperature resistant, cold-resistant, soft, wear-resisting, anti-corrosion, therefore ensure that cable electric property under wide temperature range environment is stable,
Ageing resistace is good, long service life, meets the particular/special requirement such as tension, heat-resisting, anti-corrosion.
When cable works under nuclear power plant environment, the count of silver-gilt copper wire braiding layer 5 is 90%, is reasonably woven close
Degree reduces interfering between loop and external disturbance, improves capacity of resisting disturbance.Also, in the silver-gilt copper wire braiding layer 5
Silver coating has the little, corrosion resistance that decays, it is ensured that the communication quality in adverse circumstances.Meanwhile, the plastic-aluminum combined layer of one side 3 and plating
Silver-bearing copper silk braiding layer 5 realizes metal material that the double layer screen of cable, thin aluminium lamination and silver-coated copper wire braiding layer 5 contain not together
Together, also function to shield the complementary effect of electromagnetic wave.
Preferably, the nuclear power adopted by the insulating barrier 13 and restrictive coating 6 Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber is by mass parts
Number includes following component：55-58 part raw-silastic continuouslies, 28-33 part precipitated silicas, 8-12 part carbon fibers, 25-35 part rare earth oxygen
Compound, 48-52 part aluminium oxidies, 1.8 parts of hydroxy silicon oils, 0.6 part of containing hydrogen silicone oil, 0.5 part of silane coupler, 0.3 part of zinc stearate；
Specifically, 55 parts of raw-silastic continuouslies, 30 parts of precipitated silicas, 10 parts of carbon fibers, 25 parts of rare earth oxides, 50 parts of aluminium oxidies, 1.8
Part hydroxy silicon oil, 0.6 part of containing hydrogen silicone oil, 0.5 part of silane coupler, 0.3 part of zinc stearate.The addition of carbon fiber enhances material
Stretch-resistance and heat-resistant fireproof, and heat conduction network is formed together with aluminium oxide, makes material conducts heat effect good, wire dissipates
It is hot fast；Rare earth oxide is added to play a part of Flouride-resistani acid phesphatase.This silicone rubber has high temperature resistant, cold-resistant, soft, wear-resisting, anti-corrosion
Etc. characteristic, therefore cable electric property under wide temperature range environment is stable, and ageing resistace is good, long service life, meets
The particular/special requirement such as tension, heat-resisting, anti-corrosion.Also, the restrictive coating good flame resistance, low smoke and zero halogen during burning, environmental sound.
According to the low smoke and zero halogen 1E type used in nuclear power station K3 level computer cables of the present embodiment, after testing, electric pressure is
0.3/0.5kV；The result that pressure test is obtained is 2.0/5kV/min；Electric pressure is 0.6/1kV；The knot that pressure test is obtained
Fruit is 3.5/5kV/min；It is 90 DEG C that conductor allows maximum operating temperature for a long time；Insulation resistance >=500M Ω .km；Service life >=
60 years；Smoke density >=80%；PH value >=7.3；Electrical conductivity≤10 μ S/mm；Sample of cable is old in the heat through 150 ± 2 DEG C, 52 days
After changing test, then through the irradiation test that accumulated dose is 25 × 104GY, the sample Jing after test is not opened after 20D bend tests
Split.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (7)
1. a kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables, it is characterised in that including multiple heart yearns；Each heart yearn
Two conductors (1), two filled cores (2) increased in described two conductors (1) pair twist including Jing pair twists and all
The plastic-aluminum combined layer of the one side (3) of cladding outside conductor (1) and filled core (2), each conductor (1) include the wire positioned at middle part
(11) the outside laminated polyester film (12) of wire (11) and insulating barrier (13) are coated on and, insulating barrier (13) is using nuclear power with resisting
Irradiation low smoke and zero halogen silicone rubber is made；Multiple heart yearns constitute cable core, coat lapping layer (4), in lapping layer outside the cable core
(4) outside cladding silver-gilt copper wire braiding layer (5), coats restrictive coating (6), the restrictive coating outside silver-gilt copper wire braiding layer (5)
(6) made with Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber using nuclear power；
The nuclear power adopted by insulating barrier (13) and restrictive coating (6) is with Flouride-resistani acid phesphatase low smoke and zero halogen silicone rubber by mass fraction comprising following
Component：55-58 part raw-silastic continuouslies, 28-33 part precipitated silicas, 8-12 part carbon fibers, 25-35 part rare earth oxides, 48-52
Part aluminium oxide, 1.8 parts of hydroxy silicon oils, 0.6 part of containing hydrogen silicone oil, 0.5 part of silane coupler, 0.3 part of zinc stearate.
2. low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables according to claim 1, it is characterised in that described to fill out
Fill core (2) to make using politef.
3. low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables according to claim 1, it is characterised in that described two
The pair twist pitch ratio of individual conductor (1) is 11 times～14 times.
4. low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables according to claim 1, it is characterised in that the plating
Silver-bearing copper silk braiding layer (5) count is more than 80%.
5. low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables according to claim 1, it is characterised in that described to lead
Line (11) is using the stranded formation of many tin plating copper free wires.
6. low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables according to claim 1, it is characterised in that described poly-
The thickness of ester film layer (12) is 0.1-0.25mm.
7. low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables according to claim 1, it is characterised in that the list
The plastic layer in the plastic-aluminum combined layer in face (3) is inward-facing and metal is faced out, the direction of wrapped described two conductors (1) with it is described two
The direction of lay of conductor (1) is consistent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062684.8A CN103871583B (en) | 2014-02-24 | 2014-02-24 | A kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062684.8A CN103871583B (en) | 2014-02-24 | 2014-02-24 | A kind of low smoke and zero halogen 1E types used in nuclear power station K3 level computer cables |
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| Publication Number | Publication Date |
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| CN103871583A CN103871583A (en) | 2014-06-18 |
| CN103871583B true CN103871583B (en) | 2017-04-05 |
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| CN113035420A (en) * | 2021-03-24 | 2021-06-25 | 山东华凌电缆有限公司 | Rated voltage 300/500V computer cable for passive nuclear power station and production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201004350Y (en) * | 2006-11-20 | 2008-01-09 | 丁忠海 | A high-temperature resisting twisted shielding computer cable |
| CN201142250Y (en) * | 2008-01-07 | 2008-10-29 | 江苏长峰电缆有限公司 | Composite conductor environment friendly flame-proof type signal cable |
| CN201667256U (en) * | 2009-12-30 | 2010-12-08 | 天津塑力线缆集团有限公司 | Novel low-smoke halogen-free fire resistant railway traffic digital signal cable |
| CN201655414U (en) * | 2010-05-10 | 2010-11-24 | 天津亿鑫通科技股份有限公司 | Multicore 3G communication cable |
| NO333569B1 (en) * | 2011-03-15 | 2013-07-08 | Nexans | The umbilical power cable |
| CN202601310U (en) * | 2012-04-21 | 2012-12-12 | 安徽五洲特种电缆集团有限公司 | High-frequency communication cable |
| CN203826061U (en) * | 2014-02-24 | 2014-09-10 | 安徽华海特种电缆集团有限公司 | Low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade computer cable |
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