CN205810397U - A kind of 60 year life-span compensating cable used for nuclear power station of simple process - Google Patents
A kind of 60 year life-span compensating cable used for nuclear power station of simple process Download PDFInfo
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- CN205810397U CN205810397U CN201620460642.4U CN201620460642U CN205810397U CN 205810397 U CN205810397 U CN 205810397U CN 201620460642 U CN201620460642 U CN 201620460642U CN 205810397 U CN205810397 U CN 205810397U
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Abstract
60 year life-span compensating cable used 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 many heart yearns is constituted by filling, pair twist pitch≤100mm；Every heart yearn is to be made up of the conductor strand of 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 layer and constitute sheath；Described conductor be stranded after thermocouple alloy wire conductor.Insulating barrier is the layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant.Use after such scheme, reach the service life of control cable for nuclear power station more than 60 years, and simple in construction, Flouride-resistani acid phesphatase is good, good processability, production technology easy.
Description
Technical field
This utility model relates to a kind of compensating cable, particularly to a kind of compensating cable used for nuclear power station.This utility model is fitted
For thermocouple and monitor, computer and the connection of data handling system.This utility model belongs to field of cable technology.
Background technology
Compensating cable is measuring for electric thermo-couple temperature, and point K indexing, T index equal-specification.Three generations's used in nuclear power station in the past
Compensating cable, mainly uses rubber insulation, eraser sheath scheme, and external diameter is big, weight is big, poor processability, cost high, to whole
It is unfavorable that nuclear power station design all exists.For deficiency set forth above, low cost little, lightweight in the urgent need to a kind of external diameter of research and development,
60 year life-span compensating cable used for nuclear power station that processing technique is easy.
Utility model content
The technical problems to be solved in the utility model:
Three generations's compensating cable used 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 compensating cable used 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 above-mentioned technical problem:
For defect present in prior art, this utility model provides a kind of compensating cable, and this compensating 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, be easy to production.This reality
With novel by the following technical solutions:
60 year life-span compensating cable used 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 many heart yearns is constituted by filling, and pair twist pitch≤
100mm；Every heart yearn is to be made up of the conductor strand of two tape insulation layers；The direction of lay phase of conductor strand direction and heart yearn
Instead；Described lapping layer is the overlapping wrapped composition of low-smoke non-halogen flame-retardant twining package tape；Low-smoke non-halogen flame-retardant heat is extruded outside proof copper-wire braided layer
Plastic jacket material constitutes sheath；Described conductor be stranded after thermocouple alloy wire conductor, i.e. thermocouple compensating wire；Described
The material of thermocouple alloy wire: KCB (copper, corronil) or KX (nichrome, nickel silicon alloy) etc..Insulating barrier is low smoke and zero halogen
The fire-retardant layer of resistance to irradiation crosslinked polyolefin insulating.
Further, described filling is low-smoke non-halogen flame-retardant gasket for packing.
Low-smoke non-halogen flame-retardant gasket for packing is optional: PP 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: (0.15-030) mm.
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 1.2mm of the thickness of described sheath.
Low-smoke halogen-free flame-retardant thermoplastic protective cover material can select polyolefine material, such as: HW160-6.
Further, 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%.
After using technique scheme, this utility model has the advantages that
(1) Cable Construction Design advantages of simple: the conductor strand of two tape insulation layers becomes heart yearn, many heart yearn twisted synthesizing cables
Core, its cable core stranded, easy to process and stranded is firm.Tinned copper wire woven shield improves the shielding of whole cable, anti-
Radianting capacity becomes strong.
(2) the thermocouple metal conductor after stranded, signal transmission is more stable.
(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) after testing, the conductor of this cable 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, the 60 of the simple process of this example years life-span compensating cable used for nuclear power stations, its structure is: outside cable core certainly
In and outer be sequentially provided with lapping layer, proof copper-wire braided screen layer and sheath；Described cable core stranded with many heart yearns is constituted by filling, right
Strand pitch≤100mm；Every heart yearn is to be made up of the conductor strand of two tape insulation layers；Conductor strand direction and core cabling
In opposite direction；Described lapping layer is the overlapping wrapped composition of low-smoke non-halogen flame-retardant twining package tape；Low smoke and zero halogen is extruded outside proof copper-wire braided layer
Flame-proofed thermoplastic protective cover material constitutes sheath；Described conductor be stranded after thermocouple alloy wire conductor, i.e. thermocouple compensation is led
Line；The material of described thermocouple alloy wire: KCB (copper, corronil) or KX (nichrome, nickel silicon alloy) etc..Insulating barrier is
The layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant.
Described filling is low-smoke non-halogen flame-retardant gasket for packing.Low-smoke non-halogen flame-retardant gasket for packing is optional: PP rope, dustless 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: (0.15～0.30) mm.
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 1.2mm of thickness of described sheath.
Low-smoke halogen-free flame-retardant thermoplastic protective cover material can select polyolefine material, such as: HW160-6.
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%.
Thermocouple metal conductor after conductor is the most stranded, improves the electric conductivity of conductor, makes conductor soft and not rapid wear
Bad.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 squeeze
Bag forms.The preferred tincopper fuse wire braided armor of screen layer, antioxidation, life-span are longer, less damaged, prevent the old of insulation and sheath
Change 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.
Restrictive coating 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 pair twist
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.
Claims (3)
1. 60 year life-span compensating cable used for nuclear power station of simple process, is characterized in that the structure of this compensating 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 many heart yearns is constituted by filling, pair twist pitch≤100mm；
Every heart yearn is to be made up of the conductor strand of two tape insulation layers；Conductor strand direction is contrary with the direction of lay of heart yearn；
Described conductor be stranded after thermocouple alloy wire conductor；The material of described thermocouple alloy wire is: copper, corronil, nickel chromium triangle
Alloy or nickel silicon alloy；
Described lapping layer is the overlapping wrapped composition of low-smoke non-halogen flame-retardant twining package tape；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%；
Extrude low-smoke halogen-free flame-retardant thermoplastic protective cover material outside proof copper-wire braided layer and constitute sheath；
Insulating barrier is the layer of resistance to irradiation crosslinked polyolefin insulating of low-smoke non-halogen flame-retardant；
Described proof copper-wire braided layer is tincopper fuse wire braided armor；Count >=80% of tincopper fuse wire braided armor, tinned copper wire list
Filament diameter requires: 0.15～0.30mm；
The minimum 1.2mm of thickness of described sheath.
The most according to claim 1, compensating cable, is characterized in that described filling is low-smoke non-halogen flame-retardant gasket for packing.
The most according to claim 1, compensating cable, is characterized in that described insulating barrier is the resistance to cross-linking radiation of low-smoke non-halogen flame-retardant
The insulating barrier that polyolefin insulation material is constituted；The thickness of insulating barrier is 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460642.4U CN205810397U (en) | 2016-05-19 | 2016-05-19 | A kind of 60 year life-span compensating cable used for nuclear power station of simple process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460642.4U CN205810397U (en) | 2016-05-19 | 2016-05-19 | A kind of 60 year life-span compensating cable used for nuclear power station of simple process |
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| CN205810397U true CN205810397U (en) | 2016-12-14 |
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| CN201620460642.4U Active CN205810397U (en) | 2016-05-19 | 2016-05-19 | A kind of 60 year life-span compensating cable used for nuclear power station of simple process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653382A (en) * | 2019-03-04 | 2020-09-11 | 宝胜科技创新股份有限公司 | Anti-radiation fire-resistant communication cable with 60-year service life and preparation method thereof |
| CN112102985A (en) * | 2020-08-12 | 2020-12-18 | 宝胜科技创新股份有限公司 | Data transmission cable for nuclear power station with high radiation resistance and long service life |
| CN112338110A (en) * | 2020-12-04 | 2021-02-09 | 中国科学院力学研究所 | High-sensitivity integrated construction method for thermocouple transient heat flow sensor |
-
2016
- 2016-05-19 CN CN201620460642.4U patent/CN205810397U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653382A (en) * | 2019-03-04 | 2020-09-11 | 宝胜科技创新股份有限公司 | Anti-radiation fire-resistant communication cable with 60-year service life and preparation method thereof |
| CN112102985A (en) * | 2020-08-12 | 2020-12-18 | 宝胜科技创新股份有限公司 | Data transmission cable for nuclear power station with high radiation resistance and long service life |
| CN112102985B (en) * | 2020-08-12 | 2022-03-18 | 宝胜科技创新股份有限公司 | Data transmission cable for nuclear power station with high radiation resistance and long service life |
| CN112338110A (en) * | 2020-12-04 | 2021-02-09 | 中国科学院力学研究所 | High-sensitivity integrated construction method for thermocouple transient heat flow sensor |
| CN112338110B (en) * | 2020-12-04 | 2021-12-24 | 中国科学院力学研究所 | High-sensitivity integrated construction method for thermocouple transient heat flow sensor |
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