CN203351265U - Halogen-free low-smoke flame-retardant high-temperature-resistant power cable with aluminum alloy conductor - Google Patents
Halogen-free low-smoke flame-retardant high-temperature-resistant power cable with aluminum alloy conductor Download PDFInfo
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- CN203351265U CN203351265U CN 201320203954 CN201320203954U CN203351265U CN 203351265 U CN203351265 U CN 203351265U CN 201320203954 CN201320203954 CN 201320203954 CN 201320203954 U CN201320203954 U CN 201320203954U CN 203351265 U CN203351265 U CN 203351265U
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Abstract
The utility model discloses a halogen-free low-smoke flame-retardant high-temperature-resistant power cable with an aluminum alloy conductor. The power cable comprises insulating wire cores formed by a twisted aluminum alloy conductors, and halogen-free low-smoke high-temperature-resistant irradiated crosslinking polyolefin insulating layers extruded outside the conductors; a cable core twisted by a plurality of the insulating wire cores, halogen-free low-smoke flame-retardant environment-friendly filler ropes filled in the gaps within the cable core, and a halogen-free flame-retardant glass fiber tape winding layer and a thermoplastic high-temperature-resistant type halogen-free low-smoke flame-retardant polyolefin inner sheath which are sequentially wrapped outside the cable core. The inner sheath is wound by a galvanized steel armor layer, which is wrapped up by a halogen-free flame-retardant glass fiber tape overlapped winding layer and extruded by a thermoplastic high-temperature-resistant type halogen-free low-smoke flame-retardant polyolefin oversheath. The power cable is halogen-free, low-smoke, flame-retardant, high-temperature-resistant, tensile and corrosion-resistant, and has excellent electrical and mechanical properties and environmental protection functions. The power cable can be widely applicable to power transmission systems in petroleum and petrochemical fields and subways, high-rise buildings and densely-populated public places.
Description
Technical field
The utility model relates to a kind of aluminium alloy conductor LSOH anti-flaming high-temperature-resistant power cable, belongs to technical field of electric wires and cables.
Background technology
Along with the raising of people's environmental consciousness and the quickening of Chinese society economic construction paces, the copper resource is in short supply in recent years, and the market price constantly rises violently, and causes the cable product cost sharply to rise, and has greatly restricted expanding economy.Aluminum alloy materials is on the basis of aluminium, by increasing the elements such as iron, magnesium, zinc, rare earth, greatly improved the performance such as intensity, resistivity, creep resistant, anticorrosion of material, fully meet and produce and instructions for use, the product quality excellence, product cost and installation cost surmount copper core cable with very big advantage.Saved greatly the copper resource simultaneously.Aluminium alloy conductor LSOH anti-flaming high temperature-resistant cable is widely used on airport, military base, oil, petrochemical industry, skyscraper, subway, power plant, nuclear power station, tunnel, important department and the densely populated public places such as industrial premises, cable has Halogen, low cigarette, fire-retardant, high temperature resistant, tension, the characteristic such as corrosion-resistant, also there is the electric of excellence simultaneously, machinery, the functions such as environmental protection, when breaking out of fire, cable fire does not discharge corrosive gas, and light transmission is good, rescue work is very helpful, can reduce casualties and damage to property to a great extent.
Aluminium alloy conductor is as a kind of novel conductor material, apply at home less, each manufacturer's technical strength weakness, can't produce the aluminium alloy conductor of superior performance, and the development of domestic LSOH anti-flaming high temperature-resistant cable is started late, the technical merit of each producer is uneven, add in recent years specific (special) requirements such as fire-retardant, high temperature resistant, environmental protection more and more higher, cause many producers because technical force is limited, can not design, produce the LSOH anti-flaming high temperature-resistant cable product that meets specification requirement.
Summary of the invention
For overcoming the defect of prior art, the purpose of this utility model is to provide a kind of aluminium alloy conductor LSOH anti-flaming high-temperature-resistant power cable, there is Halogen, low cigarette, the characteristic such as fire-retardant, high temperature resistant, anti-extrusion, corrosion-resistant, also there is the functions such as excellent electric, mechanical, environmental protection simultaneously, can be widely used in airport, military base, oil, petrochemical industry, skyscraper, subway, power plant, nuclear power station, tunnel, industrial premises and the densely populated place electrical power transmission systems such as public place, product performance index is better than the international standard requirement.
The utility model technical solution problem adopts following technical scheme:
Aluminium alloy conductor LSOH anti-flaming high-temperature-resistant power cable, by stranded aluminium alloy conductor, the low smoke and zero halogen high temperature resistant type irradiation crosslinked polyolefin insulating layer extruded on described conductor forms insulated wire cores, many described insulated wire cores are twisted into cable core, the cable core gap-fill has the LSOH anti-flaming environment-friendly gasket for packing, the outer overlapping halogen-free high flame-retardant glass fiber tape lapping layer that is surrounded with of described cable core, be extruded with thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin inner sheath, described inner sheath is wound with the galvanized steel strip armour outward, it is outer and adopt the overlapping lapping layer of halogen-free high flame-retardant glass fiber tape, be extruded with thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin oversheath.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, aluminium alloy conductor in the utility model, adopt the fine aluminum B alloy wire stranded form its activity coefficient up to, 093, avoid rising because pressing the stranded resistivity caused, the advanced annealing process of stranded rear employing is processed, improve greatly the electric property of conductor, effectively avoided stranded material resistivity rising in process, conductor bending property, decay resistance, electrical property, the creep-resistant property excellence after annealing of pressing of conductor.
2, in the utility model, insulation adopts IXPE, and after electron beam to irradiate crosslinked, mechanical performance improves greatly, and the temperature resistant grade of cable improves greatly simultaneously, guarantees that cable has excellent electric property, mechanical performance and resistance to elevated temperatures.The long-time running temperature of cable, at 125 ℃, is compared with common cable, and the ampacity of cable improves, and temperature resistant grade is high, and rise appreciably useful life.
3, it is wrapped as armour that the utility model adopts double-deck galvanized steel strip gap, greatly improved the crush resistance strength of cable, effectively protected insulated wire cores to avoid external force damage, the useful life of improving cable simultaneously.
4, extruding thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin inner/outer sheath in the utility model is a kind of novel environment friendly material, not only there is excellent flame-retarding characteristic, high temperature resistant (temperature resistant grade reaches 125 ℃) performance, have more Halogen, unleaded, floride-free, alkali-free characteristic, meet instructions for use fully.
The accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Number in the figure: 1 conductor, 2 insulating barriers, 3 packed layers, 4 lapping layers, 5 inner sheaths, 6 armours, 7 lapping layers, 8 oversheaths.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment:
Embodiment: referring to Fig. 1, the aluminium alloy conductor LSOH anti-flaming high-temperature-resistant power cable of this enforcement, process and form aluminium alloy conductor 1 by the stranded after annealing of aluminum-alloy wire, the low smoke and zero halogen high temperature resistant type irradiation crosslinked polyolefin insulating layer 2 extruded on described conductor 1 forms insulated wire cores, many described insulated wire cores are twisted into cable core, the cable core gap-fill has LSOH anti-flaming environment-friendly gasket for packing 3, the outer overlapping halogen-free high flame-retardant glass fiber tape lapping layer 4 that is surrounded with of described cable core, be extruded with thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin inner sheath 5, outside described inner sheath 5, the wrapped armour 6 in double-deck galvanized steel strip gap is arranged, it is outer and adopt the overlapping lapping layer 7 of halogen-free high flame-retardant glass fiber tape, be extruded with thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin oversheath 8.
In concrete enforcement, corresponding structure setting and material are selected to be respectively:
Insulating barrier 2 is to be extruded in by low smoke and zero halogen high temperature resistant type cross-linking radiation polyolefin the layer that extrudes formed on conductor, and adopts electron beam to irradiate crosslinked technique;
Packed layer 3 adopts the LSOH anti-flaming environment-friendly gasket for packing, fills rounding;
Lapping layer 4 adopts the halogen-free high flame-retardant glass fiber tape overlapping wrapped in the cable core outside;
Inner sheath 5 adopts and extrudes thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin;
Armour 6 adopts double-deck galvanized steel strip gap lapping structure;
Lapping layer 7 adopts the halogen-free high flame-retardant glass fiber tape overlapping wrapped in the armour outside;
Oversheath 8 adopts and extrudes thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin.
Claims (1)
1. aluminium alloy conductor LSOH anti-flaming high-temperature-resistant power cable, it is characterized in that by stranded aluminium alloy conductor (1), the low smoke and zero halogen high temperature resistant type irradiation crosslinked polyolefin insulating layer (2) extruded on described conductor (1) forms insulated wire cores, many described insulated wire cores are twisted into cable core, the cable core gap-fill has LSOH anti-flaming environment-friendly gasket for packing (3), the outer overlapping halogen-free high flame-retardant glass fiber tape lapping layer (4) that is surrounded with of described cable core, be extruded with thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin inner sheath (5), the outer galvanized steel strip armour (7) that is wound with of described inner sheath (6), it is outer and adopt the overlapping lapping layer of halogen-free high flame-retardant glass fiber tape (8), be extruded with thermoplasticity high temperature resistant type halogen-free low-smoke high-flame polyolefin oversheath (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203954 CN203351265U (en) | 2013-04-11 | 2013-04-11 | Halogen-free low-smoke flame-retardant high-temperature-resistant power cable with aluminum alloy conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203954 CN203351265U (en) | 2013-04-11 | 2013-04-11 | Halogen-free low-smoke flame-retardant high-temperature-resistant power cable with aluminum alloy conductor |
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| Publication Number | Publication Date |
|---|---|
| CN203351265U true CN203351265U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320203954 Expired - Fee Related CN203351265U (en) | 2013-04-11 | 2013-04-11 | Halogen-free low-smoke flame-retardant high-temperature-resistant power cable with aluminum alloy conductor |
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| CN (1) | CN203351265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886993A (en) * | 2014-03-04 | 2014-06-25 | 安徽亚神电缆集团有限公司 | Novel inflaming retarding rare earth aluminum alloy cable |
| CN107731378A (en) * | 2017-11-17 | 2018-02-23 | 江苏凯达电缆有限公司 | A kind of high flexibility shell-less aluminum alloy conductor power cable |
| CN112820466A (en) * | 2020-12-30 | 2021-05-18 | 贵州新曙光电缆有限公司 | Crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable |
-
2013
- 2013-04-11 CN CN 201320203954 patent/CN203351265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886993A (en) * | 2014-03-04 | 2014-06-25 | 安徽亚神电缆集团有限公司 | Novel inflaming retarding rare earth aluminum alloy cable |
| CN107731378A (en) * | 2017-11-17 | 2018-02-23 | 江苏凯达电缆有限公司 | A kind of high flexibility shell-less aluminum alloy conductor power cable |
| CN112820466A (en) * | 2020-12-30 | 2021-05-18 | 贵州新曙光电缆有限公司 | Crosslinked polyethylene insulation halogen-free low-smoke flame-retardant power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140411 |