CN203826060U - Low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade instrument control cable - Google Patents
Low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade instrument control cable Download PDFInfo
- Publication number
- CN203826060U CN203826060U CN201420079237.9U CN201420079237U CN203826060U CN 203826060 U CN203826060 U CN 203826060U CN 201420079237 U CN201420079237 U CN 201420079237U CN 203826060 U CN203826060 U CN 203826060U
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- Prior art keywords
- nuclear power
- low smoke
- low
- control cable
- zero halogen
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Abstract
The utility model discloses a low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade instrument control cable which includes a plurality of conductors. Each conductor includes a wire located at the middle part, and an insulating layer and a metal-plastic composite band, which wraps externally the wire. Each insulating layer is made of a low-smoke halogen-free silicone rubber used for nuclear power. The plurality of conductors are twisted to form a cable core. The cable core is externally wrapped with a lapping layer. The lapping layer is externally wrapped with a tin-plated copper-wire woven shielding layer. The tin-plated copper-wire woven shielding layer is externally wrapped with a sheath layer. The sheath layer is made of the low-smoke halogen-free silicone rubber used for the nuclear power. The low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade instrument control cable is great in interference resistance capability and flame retardance performance; and the cable is low-smoke and halogen-free when burnt so that the cable can be used safely under a nuclear-power-station environment.
Description
Technical field
The utility model relates to cable technology field, relates in particular to a kind of low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable.
Background technology
The insulation of common power cable and sheath material are generally polyvinyl chloride, cross-linked polyolefin etc., and these materials break down at the rapid aging until cable of meeting such as cable overload or high temperature occasion.At present, the control cables of used in nuclear power station, antijamming capability and weatherability are poor, and the life-span is short, once break down, the safe operation of nuclear power station is brought to great risk.How to guarantee that cable uses safely in nuclear power plant environment, antijamming capability is strong, stops potential safety hazard, and protection and other equipment are not damaged, is the problem that industry is explored always.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable, its antijamming capability is strong, good flame resistance, low smoke and zero halogen during burning is used safety in nuclear power plant environment.
A kind of low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable the utility model proposes, comprises a plurality of conductors; Each conductor comprises the wire in the middle part of being positioned at and insulating barrier and the metallo-plastic composite band that is coated on wire outside, and insulating barrier adopts nuclear power to make with low smoke and zero halogen silicon rubber; The many stranded formation cable cores of conductor, at the outside coated lapping layer of described cable core, at the outside coated tinned copper wire woven shield of lapping layer, at the outside coated restrictive coating of tinned copper wire woven shield, described restrictive coating adopts nuclear power to make with low smoke and zero halogen silicon rubber.
Preferably, described wire adopts the many stranded formation of tinned copper wire.
Preferably, described metallo-plastic composite bed adopts double-sided aluminum plastic composite band or compound copper-plastics band, and centre is metal level, metal level both sides coating plastic layer.
Preferably, the count of described tinned copper wire woven shield is greater than 85%.
In the utility model, the insulating barrier outside clad metal plastics composite band of each conductor, protection conductor, when having strengthened the mechanical performance of cable, plays the effect of separated-shielding, prevents the Electromagnetic Interference between conductor; Tinned copper wire woven shield, have corrosion-resistant, oxidation resistant characteristic, and tin coating strengthened screen anticorrosion and shielding properties; The double layer screen of employing different materials has strengthened the antijamming capability of cable, complementary in anti-electromagnetic wave scope; Insulating barrier and restrictive coating all adopt nuclear power to make with low smoke and zero halogen silicon rubber, have the characteristics such as temperature range is wide, soft, wear-resisting, simultaneously environment friendly and pollution-free, make cable electric property under nuclear power plant environment stable, and ageing resistace is good, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable that the utility model proposes.
With reference to Fig. 1, a kind of low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable the utility model proposes, comprises 19 conductors 1.
Each conductor 1 is inner for adopting the many stranded wires of making 11 of tinned copper wire, the outside coated insulation layer 12 of wire 11.Insulating barrier 12 adopts nuclear power to make with low smoke and zero halogen silicon rubber.The outside coated double-sided aluminum plastic composite band 13 of this insulating barrier 12.When double-sided aluminum plastic composite band 13 protection conductors have strengthened the mechanical performance of cable, its thin aluminium lamination plays the effect of separated-shielding, prevents the Electromagnetic Interference between conductor.The plastic layer on aluminium-plastic tape 13 two sides is protected the insulating barrier 12 of inner conductor 1 simultaneously, and prevents the multipoint earthing of thin aluminium lamination.
Nineteen conductor 1 is twisted into cable core, at the outside coated lapping layer 2 of all conductors 1.Lapping layer 2 is strapped in together tightly from outside by nineteen conductor 1, and the structure of all conductors 1 has been carried out to stable processing.At the outside coated tinned copper wire woven shield 3 of lapping layer 2, its count is 85%.This tinned copper wire woven shield 3 has corrosion-resistant, oxidation resistant characteristic, and tin coating has strengthened the shielding properties of screen.And this tinned copper wire woven shield 3 forms with aluminium-plastic tape 13 double layer screen that adopts different materials, has strengthened the antijamming capability of cable, complementary in anti-electromagnetic wave scope.The outside coated restrictive coating 4 of tinned copper wire woven shield 3, it adopts low smoke and zero halogen silastic material to make.
Preferably, the low smoke and zero halogen silastic material that insulating barrier 12 and restrictive coating 4 adopt comprises following component according to mass fraction: 65-78 part raw-silastic continuously, 28-33 part white carbon, 8-12 part carbon fiber, 28-35 part zinc 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; Particularly, 75 parts of raw-silastic continuouslies, 30 parts of white carbons, 12 parts of carbon fibers, 30 parts of zinc 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.Carbon fiber and zinc oxide add stretch-resistance and the heat-resistant fireproof that has strengthened material, and carbon fiber forms heat conduction network, makes material good heat conduction effect, wire rapid heat dissipation.Adopt the temperature resistant grade of cable of this silastic material high, the fire resistance of cable is good, and resistance to ag(e)ing is good, has also improved the mechanical performance of cable simultaneously.
According to the low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable of the present embodiment, after testing, electric pressure is 0.45/0.75kV; The result that withstand voltage test obtains is 3.5/5kV/min; It is 90 ℃ that conductor allows maximum operating temperature for a long time; Insulation resistance >=500M Ω .km; Useful life >=60 year; Smoke density >=80%; PH value >=7.3; Conductivity≤10 μ S/mm; Sample of cable is after the thermal ageing test through 150 ± 2 ℃, 52 days, then the irradiation test that is 25 * 104GY through accumulated dose, and the sample after test should not ftracture after 20D bend test; The power-frequency voltage test that 2kV ∕ 5min is carried out in cable immersion does not puncture.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. a low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable, is characterized in that, comprises a plurality of conductors; Each conductor (1) comprises insulating barrier (12) and the metallo-plastic composite band (13) that is positioned at the wire (11) at middle part and is coated on wire (11) outside, and insulating barrier (12) adopts nuclear power to make with low smoke and zero halogen silicon rubber; The stranded formation cable core of many conductors (1), at the outside coated lapping layer (2) of described cable core, at the outside coated tinned copper wire woven shield (3) of lapping layer (2), at the outside coated restrictive coating (4) of tinned copper wire woven shield (3), described restrictive coating (4) adopts nuclear power to make with low smoke and zero halogen silicon rubber.
2. low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable according to claim 1, is characterized in that, described wire (11) adopts the many stranded formation of tinned copper wire.
3. low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable according to claim 1, is characterized in that, described metallo-plastic composite bed (13) adopts double-sided aluminum plastic composite band or compound copper-plastics band, and centre is metal level, metal level both sides coating plastic layer.
4. low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable according to claim 1, is characterized in that, the count of described tinned copper wire woven shield (3) is greater than 85%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079237.9U CN203826060U (en) | 2014-02-24 | 2014-02-24 | Low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade instrument control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079237.9U CN203826060U (en) | 2014-02-24 | 2014-02-24 | Low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade instrument control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826060U true CN203826060U (en) | 2014-09-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420079237.9U Expired - Fee Related CN203826060U (en) | 2014-02-24 | 2014-02-24 | Low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade instrument control cable |
Country Status (1)
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| CN (1) | CN203826060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871582A (en) * | 2014-02-24 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Low-smoke halogen-free K3-grade instrument control cable for 1E type nuclear power station |
| CN105788745A (en) * | 2016-04-12 | 2016-07-20 | 安徽天康(集团)股份有限公司 | Waterproof and anti-cold power cable |
-
2014
- 2014-02-24 CN CN201420079237.9U patent/CN203826060U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871582A (en) * | 2014-02-24 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Low-smoke halogen-free K3-grade instrument control cable for 1E type nuclear power station |
| CN103871582B (en) * | 2014-02-24 | 2016-03-30 | 安徽华海特种电缆集团有限公司 | A kind of low smoke and zero halogen 1E type used in nuclear power station K3 level instrumentation control cable |
| CN105788745A (en) * | 2016-04-12 | 2016-07-20 | 安徽天康(集团)股份有限公司 | Waterproof and anti-cold power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150224 |
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| EXPY | Termination of patent right or utility model |