CN205810396U - A kind of 60 year life-span instrument cable for nuclear power station of simple process - Google Patents
A kind of 60 year life-span instrument cable for nuclear power station of simple process Download PDFInfo
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- CN205810396U CN205810396U CN201620459235.1U CN201620459235U CN205810396U CN 205810396 U CN205810396 U CN 205810396U CN 201620459235 U CN201620459235 U CN 201620459235U CN 205810396 U CN205810396 U CN 205810396U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
60 year life-span instrument cable for nuclear power station of a kind of simple process, its structure is: the outer from-inner-to-outer of cable core is sequentially provided with lapping layer, proof copper-wire braided screen layer and sheath；Described cable core stranded with heart yearn is constituted by filling；Every heart yearn is to be made up of the conductor strand of at least two tape insulation layers；Conductor strand direction is contrary with the direction of lay of heart yearn；Described lapping layer is the overlapping wrapped composition of low-smoke non-halogen flame-retardant twining package tape；Extrude low-smoke halogen-free flame-retardant thermoplastic protective cover material outside proof copper-wire braided screen layer and constitute sheath；Described conductor be stranded after tinned copper wire conductor；Conductor internal layer lay ratio scope: 11～17, outermost layer lay ratio scope: 10～13；Diameter range 0.9 2.0mm of conductor；Described insulating barrier is the layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant.The stable performance under high temperature or low temperature environment of this cable, heat-proof aging and high dosage irradiation ageing properties are excellent；Simple in construction, external diameter is little, lightweight, low cost, processing characteristics easy.
Description
Technical field
This utility model relates to a kind of instrument cable, particularly to a kind of instrument cable for nuclear power station, it is adaptable to specified electricity
The signal-transmitting cable of pressure 300/500V, such as analog image etc., it belongs to field of cable technology.
Background technology
Three generations's instrument cable for nuclear power station, mainly used rubber insulation, eraser sheath scheme in the past, external diameter is big, weight is big,
Poor processability, cost are high, and it is unfavorable all to there is the design of whole nuclear power station.For deficiency set forth above, in the urgent need to research and development
60 year life-span instrument cable for nuclear power station that a kind of external diameter is little, lightweight, low cost, processing technique are easy.
Utility model content
Solve the technical problem that
Three generations's instrument cable for nuclear power station, mainly used rubber insulation, eraser sheath scheme in the past, external diameter is big, weight is big,
Poor processability, cost are high, and it is unfavorable all to there is the design of whole nuclear power station.For deficiency set forth above, in the urgent need to research and development
60 year life-span instrument cable for nuclear power station that a kind of external diameter is little, lightweight, low cost, processing technique are easy.
The technical scheme used for solving technical problem
For defect present in prior art, this utility model provides a kind of instrument cable, and this instrument cable can be expired
Sufficient 60 year service life；Stable performance under high temperature or low temperature environment, heat-proof aging and high dosage irradiation ageing properties are excellent；Knot
Structure is soft, mounting and installation is convenient；Simple in construction, external diameter is little, lightweight, low cost, processing characteristics easy.For realizing above-mentioned technology
Purpose, this utility model by the following technical solutions:
60 year life-span instrument cable for nuclear power station of a kind of simple process, its structure is: the outer from-inner-to-outer of cable core sets successively
There are lapping layer, proof copper-wire braided screen layer and sheath；Described cable core stranded with heart yearn is constituted by filling, pair twist pitch≤100mm；Often
Root heart yearn is to be made up of the conductor strand of at least two tape insulation layers；Conductor strand direction is contrary with the direction of lay of heart yearn；Institute
Stating lapping layer is the overlapping wrapped composition of low-smoke non-halogen flame-retardant twining package tape；Low-smoke non-halogen flame-retardant thermoplastic is extruded outside proof copper-wire braided screen layer
Property protective cover material constitute sheath；Described conductor be stranded after tinned copper wire conductor；Conductor internal layer lay ratio scope: 11～17,
Outer layer lay ratio scope: 10～13；The diameter range of tin-coated copper monofilament: 0.32mm-0.68mm, the diameter range 0.9-of conductor
2.0mm；Described insulating barrier is the layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant.
Further, every heart yearn is to be made up of the conductor strand of 2～4 tape insulation layers；Described cable core is by filling and 1～12
The stranded composition of root heart yearn.
Further, described filling is low-smoke non-halogen flame-retardant gasket for packing.Low-smoke non-halogen flame-retardant gasket for packing is optional: glass fibre is filled out
Fill rope, dustless mineral wool rope.
Further, described proof copper-wire braided layer is tincopper fuse wire braided armor；Count >=80% of tincopper fuse wire braided armor,
Filament diameter requires: 0.15～0.30mm.
Further, described insulating barrier be low-smoke non-halogen flame-retardant the material of resistance to irradiation crosslinked polyolefin insulating constitute insulating barrier；
The thickness of insulating barrier is 0.6mm.The selection cross-linked polyolefin that Insulation Material can be selected, such as: FPW160-1, FPW160-2.
Further, the minimum thickness of described sheath is 1.2mm.Low-smoke halogen-free flame-retardant thermoplastic protective cover material can select polyene
Hydrocarbon material, such as: HW160-6.
Further, the thickness of low-smoke non-halogen flame-retardant twining package tape is 0.2mm；Wrapped rate of putting up is not less than 23%.
After using technique scheme, this utility model has the advantages that
(1) Cable Construction Design advantages of simple: heart yearn and cable core all use lay configuration, it is easy to process, and stranded
Cable core is firm.Every conductor insulating barrier in addition, improves the insulating properties of cable.Proof copper-wire braided layer improves the shielding of whole cable,
Capability of resistance to radiation becomes strong.
(2) the tinned copper wire conductor after stranded, improves the electric conductivity of conductor, makes conductor soft and is hardly damaged.Tin plating
Layer has anti-corrosion function.
(3) low-smoke non-halogen flame-retardant gasket for packing, the layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant and low smoke and zero halogen
Flame-proofed thermoplastic sheath makes cable low-smoke non-halogen flame-retardant performance more preferable.
(4) tincopper fuse wire braided armor, antioxidation, life-span are longer, less damaged, prevent the aging ability of insulation and sheath
By force, capability of resistance to radiation becomes strong.
(5) low-smoke halogen-free flame-retardant thermoplastic sheath makes the resistance to radioprotective of cable, resistance to long term heat ageing, improves cable and uses the longevity
Life.
(6) layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant, low-smoke halogen-free flame-retardant thermoplastic sheath make cable
Structure is more soft, more flexible, and external diameter is less, and weight is lighter, more convenient and be suitable to nuclear power station narrow regions and use.
(7) layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant, low-smoke halogen-free flame-retardant thermoplastic sheath make cable
Cost is cheaper, processes easier.
(8) this use novel cable, conductor service life under 90 DEG C of hot conditionss is 60 years.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, conductor, 2, insulating barrier, 3, heart yearn, 4, fill, 5, cable core, 6, lapping layer, 7, proof copper-wire braided layer, 8, protect
Set.
Detailed description of the invention
As it is shown in figure 1,60 year life-span instrument cable for nuclear power station of a kind of simple process of this example, its structure is: cable core
Outer from-inner-to-outer is sequentially provided with lapping layer, proof copper-wire braided screen layer and sheath；Described cable core stranded with heart yearn is constituted by filling, right
Strand pitch≤100mm；Every heart yearn is to be made up of the conductor strand of at least two tape insulation layers；Conductor strand direction and heart yearn
Direction of lay is contrary；Described lapping layer is the overlapping wrapped composition of low-smoke non-halogen flame-retardant twining package tape；Extrude outside proof copper-wire braided screen layer
Low-smoke halogen-free flame-retardant thermoplastic protective cover material constitutes sheath；Described conductor be stranded after tinned copper wire conductor；Conductor internal layer pitch diameter
Than scope: 11～17, outermost layer lay ratio scope: 10～13；The diameter range of tin-coated copper monofilament: 0.32mm-0.68mm, conductor
Diameter range 0.9-2.0mm；Described insulating barrier is the layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant.
Every heart yearn is to be made up of the conductor strand of 2～4 tape insulation layers；Described cable core is by filling and 1～12 heart yearn
Stranded composition.
Described filling is low-smoke non-halogen flame-retardant gasket for packing.Low-smoke non-halogen flame-retardant gasket for packing is optional: glass fibre gasket for packing, nothing
Dirt mineral wool rope.
Described proof copper-wire braided layer is tincopper fuse wire braided armor；Count >=80% of tincopper fuse wire braided armor, monofilament is straight
Footpath requires: 0.15～0.30mm.
Described insulating barrier is the insulating barrier of the material of the resistance to irradiation crosslinked polyolefin insulating composition of low-smoke non-halogen flame-retardant；Insulating barrier
Thickness is 0.6mm.The selection cross-linked polyolefin that Insulation Material can be selected, such as: FPW160-1, FPW160-2.
The minimum thickness of described sheath is 1.2mm.Low-smoke halogen-free flame-retardant thermoplastic protective cover material can select polyolefine material,
Such as: HW160-6.
The thickness of low-smoke non-halogen flame-retardant twining package tape is 0.2mm；Wrapped rate of putting up is not less than 23%.
Tinned copper wire conductor after conductor is the most stranded, improves the electric conductivity of conductor, makes conductor soft and is hardly damaged.
Insulating barrier is low cigarette, Halogen, the fire-retardant layer of resistance to irradiation crosslinked polyolefin insulating, uses high temperature, high pressure continuous multilayer mode to extrude
Form.The preferred tincopper fuse wire braided armor of screen layer, antioxidation, life-span are longer, less damaged, prevent the aging of insulation and sheath
Ability is strong, and capability of resistance to radiation becomes strong.Packed layer preferred low-smoke non-halogen flame-retardant gasket for packing improves cable low-smoke non-halogen flame-retardant performance.Protect
Jacket layer is low cigarette, Halogen, the fire-retardant polyolefine material of resistance to irradiation, and Radiation hardness becomes strong.Heart yearn and cable core all use tangling
Structure, it is easy to process, and stranded cable core is firm.
Use after such scheme, reach the service life of cable more than 60 years, and simple in construction, Flouride-resistani acid phesphatase are good, processing
Performance is good, production technology is easy.
This utility model is not limited to above-described embodiment, and all employings equivalent or equivalence are replaced the technical scheme formed and each fallen within this
The protection domain that utility model requires.
Claims (7)
1. 60 year life-span instrument cable for nuclear power station of simple process, is characterized in that the structure of this instrument cable is: cable core
Outer from-inner-to-outer is sequentially provided with lapping layer, proof copper-wire braided screen layer and sheath；
Described cable core stranded with heart yearn is constituted by filling, pair twist pitch≤100mm；
Every heart yearn is to be made up of the conductor strand of at least two tape insulation layers；
Conductor strand direction is contrary with the direction of lay of heart yearn；
Described lapping layer is the overlapping wrapped composition of low-smoke non-halogen flame-retardant twining package tape；Low smoke and zero halogen resistance is extruded outside proof copper-wire braided screen layer
Combustion thermoplastic sheath material constitutes sheath；
Described conductor be stranded after tinned copper wire conductor；Conductor internal layer lay ratio scope: 11～17, outermost layer lay ratio model
Enclose: 10～13；The diameter range of tin-coated copper monofilament: 0.32mm-0.68mm, the diameter range 0.9-2.0mm of conductor；
Described insulating barrier is the layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant.
Instrument cable the most according to claim 1, is characterized in that every heart yearn is to be twisted by the conductor of 2～4 tape insulation layers
Close and constitute；Described cable core stranded with 1～12 heart yearn is constituted by filling.
Instrument cable the most according to claim 1, is characterized in that described filling is low-smoke non-halogen flame-retardant gasket for packing.
Instrument cable the most according to claim 1, is characterized in that described proof copper-wire braided layer is tincopper fuse wire braided armor；Tin plating
Count >=80% of proof copper-wire braided layer, filament diameter requires: 0.15-0.30mm.
Instrument cable the most according to claim 1, is characterized in that described insulating barrier is the resistance to irradiation friendship of low-smoke non-halogen flame-retardant
The insulating barrier that connection polyolefin insulation material is constituted；The thickness of insulating barrier is 0.6mm.
Instrument cable the most according to claim 1, is characterized in that the minimum thickness of described sheath is 1.2mm.
Instrument cable the most according to claim 1, is characterized in that the thickness of described low-smoke non-halogen flame-retardant twining package tape is
0.2mm；Wrapped rate of putting up is not less than 23%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459235.1U CN205810396U (en) | 2016-05-19 | 2016-05-19 | A kind of 60 year life-span instrument cable for nuclear power station of simple process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459235.1U CN205810396U (en) | 2016-05-19 | 2016-05-19 | A kind of 60 year life-span instrument cable for nuclear power station of simple process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810396U true CN205810396U (en) | 2016-12-14 |
Family
ID=57499872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620459235.1U Active CN205810396U (en) | 2016-05-19 | 2016-05-19 | A kind of 60 year life-span instrument cable for nuclear power station of simple process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205810396U (en) |
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2016
- 2016-05-19 CN CN201620459235.1U patent/CN205810396U/en active Active
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