CN202008868U - Halogen-free environment-friendly power cable comprising aluminum alloy conductors and stainless steel sheath - Google Patents
Halogen-free environment-friendly power cable comprising aluminum alloy conductors and stainless steel sheath Download PDFInfo
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- CN202008868U CN202008868U CN2011201555714U CN201120155571U CN202008868U CN 202008868 U CN202008868 U CN 202008868U CN 2011201555714 U CN2011201555714 U CN 2011201555714U CN 201120155571 U CN201120155571 U CN 201120155571U CN 202008868 U CN202008868 U CN 202008868U
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Abstract
The utility model discloses a halogen-free environment-friendly power cable comprising aluminum alloy conductors and a stainless steel sheath. Each of a plurality of insulating wire cores consists of a conductor and an insulating layer extruded on an outer layer of the conductor, the conductor is the aluminum alloy conductor, the insulating wire cores are stranded to form a cable core, filling layers are disposed in gaps of the cable core, an isolating layer is lapped on outsides of the cable core and the filling layers, and the corrugated stainless steel outer sheath is longitudinally wrapped on the outside of the isolating layer. Copper is replaced by aluminum in the cable, the problem of shortage of copper resources is relieved, and the cable is light in weight, omits pipe penetration, brings convenience for installation, greatly reduces engineering construction cost, simultaneously can be used as a waterproof cable and is also fine in effect.
Description
Technical field:
The utility model relates to cable, specifically a kind of aluminium alloy conductor stainless steel sheath halogen-free environment-friendly type power cable.
Background technology:
Used cable is low-smoke halogen-free inflaming-retarding cable substantially in China public place at present, conductor has copper core and aluminium core, and the copper resource is in China's shortage, price is also very high, reached more than 70,000 yuan one ton, and China's bauxite resource is abundant, but the creep resistant and the extension property of common electrician's aluminium are poor, cause the safety in operation in the cable running poor, so it is less at the power cable that China makes conductor wire core with aluminium, along with the aluminium alloy of 8000 series is produced in batches in China, adopt 8000 series alloys to become a kind of possibility as conductor, supply line in north america such as the U.S. 90% has adopted 8000 series alloys to make the conductor of power cable, thus adopt the aluminium alloy of 8000 series to make conductor, China required in a large amount of utilizations.
And for low cigarette, Halogen and fire-retardant performance, now the low-smoke halogen-free inflaming-retarding cable of usefulness will reach smokelessly, the performance requirement of Halogen and difficult combustion really is difficult to, and is very big to the material cost increase, and the employing metal is made sheath and just is easy to.Though materials such as insulation can fuel, has been completely cut off air by metallic sheath, can't burn or discharge smog and pernicious gas.
Summary of the invention:
For overcoming the defective of prior art; the purpose of this utility model is to provide a kind of aluminium alloy conductor stainless steel sheath halogen-free environment-friendly type power cable; it is the new generation product of instead of copper, aluminium core low-smoke halogen-free flame retardant power cable; save the copper resource; the cost performance height, electric fireproof safety and environmental protection effect are better.
The utility model technical solution problem adopts following technical scheme:
Aluminium alloy conductor stainless steel sheath halogen-free environment-friendly type power cable, by conductor and be extruded in the outer field insulating barrier of described conductor and constitute insulated wire cores, described conductor is an aluminium alloy conductor, the edge cores that thoroughly do away with are twisted into cable conductor more, the cable core gap is provided with packed layer, outside described cable core and described packed layer, be surrounded with separator, the vertical embossing type stainless steel oversheath that is surrounded by outside described separator.
Design feature of the present utility model also is: described insulating barrier is crosslinked polyethylene or cross-linking radiation polyolefin insulation material.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
(1) conductor because of the utility model cable has adopted 8000 serial electrician's level aluminium alloys to make conductor wire core, conductor ampacity is suitable with the aluminium core, it is 61% of copper conductor, and the aluminium alloy conductor material cost is about about 20% of a copper conductor material cost, and 8000 serial electrician's level aluminium alloy make conductor, the creep-resistant property and the extension property of conductor are good, have improved the using system reliability of operation greatly.
(2) outer jacket because of the utility model cable has adopted vertical bag welding embossing type stainless steel oversheath, stainless melting temperature is 1772 ℃, therefore, protective coverings of cable reaches under 750 ℃～1000 ℃ conditions in flame temperature, cable can not melt and burn yet, and insulation, filling and isolation and the lapping layer material of cable the inside are isolated by outer jacket again, do not contact with air, cable itself can't form the condition of burning, so also can not produce dieseling because of aging, overload or short circuit.
(3) because the utility model cable has smokelessly, Halogen and difficult characteristic of firing, the secondary disaster of cable under the fire condition also significantly reduced, and can not cause negative effect to environmental protection, is environment-friendly cable worthy of the name.
(4) the utility model cable long service life.Because stainless steel oversheath corrosion resistance is strong, the material and the air of cable the inside are isolated, and the ageing process of insulation and other material delays greatly, and can reach 80 years the useful life of cable as calculated.
(5) because cable jacket has adopted stainless steel sheath, still do not have fire protecting performance, its antiseptic property, water resistance, can be used as submerged cable and use.
(6) because the stainless steel oversheath has been carried out the embossing PROCESS FOR TREATMENT, the bending radius of the utility model cable can be compared with common cable, and installing does not need poling when laying yet, and has saved the poling material.
(7) the stainless steel oversheath also can be used as the screen use, has good magnetic field shielding effect, also alternative existing steel-tape armouring or lock armo cable.
(8) owing to adopted aluminium alloy conductor and stainless steel oversheath, saved the copper resource, cable is in light weight, need not poling, and is easy for installation, and the construction investment cost reduces, and cost performance is far above existing power cable.
The technical performance index of the utility model cable:
2.1 rated voltage: 0.6/1kV or 1.8/3kV.
2.2 the highest for a long time permission working temperature of cable: 90 ℃, 105 ℃ and 125 ℃, the short time allows to reach: 250 ℃.
2.3 minimum bending radius: be not less than 10 times of the outside diameter of cable.
2.4 conductor resistance meets the regulation of aluminium conductor in 3956 in the time of 20 ℃.
2.5 manufacture test voltage: 3500V/5min or 6500V/5min.
2.6 insulation resistance: in the time of 20 ℃, be not less than 1000M Ω/km.
2.7 there is not smoke performance: light transmittance 〉=90% (low smoke performance be 〉=60%)
2.8 Halogen performance: pH value 〉=4.3, conductivity≤10 μ S/mm.
2.9 fuel performance: cable is under 750 ℃～1000 ℃ flame temperature, and for fiery 40min, cable jacket can not melt and burn yet, cable inside is only burnt near burning things which may cause a fire disaster, the distance of burning stops also not have flame on the cable and prolonging combustion for behind the fire less than common low-smoke halogen-free inflaming-retarding cable.
2.10 shielding properties: shielding rejection coefficient≤0.3%.
Description of drawings:
Fig. 1 is the structural representation of the utility model cable.
Number in the figure: 1 conductor, 2 insulating barriers, 3 packed layers, 4 separators, 5 stainless steel oversheaths.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment: shown in Figure 1, present embodiment aluminium alloy conductor stainless steel sheath halogen-free environment-friendly type power cable, comprise cable aluminium alloy conductor 1, conductor 1 outer extruded insulation layer 2 forms insulated wire cores, the edge core bundle strands of thoroughly doing away with form cable core more, adopt the Halogen material that the space between the core in the cable core is filled and constitute packed layer 3, wrapped two layers of high temperature resistant inorganic band form separator 4 outside cable core, the stainless steel oversheath 5 that the outermost layer of cable adopts vertical Bao Bingjing welding embossing to handle.
In concrete the enforcement, conductor 1 adopts 8000 serial electrician's level aluminium alloys, can adopt first kind or second kind of aluminium conductor structure meeting the GB/T3956 regulation as required.Insulating barrier 2 can adopt crosslinked polyethylene (90 ℃) or cross-linking radiation polyolefin (105 ℃, 125 ℃) insulating material to extrude respectively according to the environment for use temperature.The laying up pitch of stranding cable core: be not more than 20 times of laying up diameter, and the core gap is filled, packing material is: with the corresponding to Halogen material of insulating material temperature resistant grade packing; At the overlapping wrapped two layers of high temperature resistant inorganic material of cable core as separator 4.Stainless steel oversheath 5 adopts vertical bag welding procedure, and oversheath is carried out embossing handle.
Claims (2)
1. aluminium alloy conductor stainless steel sheath halogen-free environment-friendly type power cable, by conductor (1) and be extruded in the outer field insulating barrier of described conductor (2) and constitute insulated wire cores, it is characterized in that, described conductor (1) is an aluminium alloy conductor, the edge cores that thoroughly do away with are twisted into cable conductor more, the cable core gap is provided with packed layer (3), is surrounded with separator (4) outside described cable core and described packed layer, the vertical embossing type stainless steel oversheath (5) that is surrounded by outside described separator (4).
2. aluminium alloy conductor stainless steel sheath halogen-free environment-friendly type power cable according to claim 1 is characterized in that, described insulating barrier (2) is crosslinked polyethylene or cross-linking radiation polyolefin insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201555714U CN202008868U (en) | 2011-05-16 | 2011-05-16 | Halogen-free environment-friendly power cable comprising aluminum alloy conductors and stainless steel sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201555714U CN202008868U (en) | 2011-05-16 | 2011-05-16 | Halogen-free environment-friendly power cable comprising aluminum alloy conductors and stainless steel sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202008868U true CN202008868U (en) | 2011-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201555714U Expired - Fee Related CN202008868U (en) | 2011-05-16 | 2011-05-16 | Halogen-free environment-friendly power cable comprising aluminum alloy conductors and stainless steel sheath |
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| CN (1) | CN202008868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065713A (en) * | 2013-01-05 | 2013-04-24 | 辽宁金环电缆有限公司 | High-strength full-shield anti-pulse superhigh frequency cable for nuclear power |
| CN103854793A (en) * | 2013-09-03 | 2014-06-11 | 安徽华源电缆集团有限公司 | Concentric conductor rare earth aluminum alloy power cable |
| CN104751973A (en) * | 2013-12-31 | 2015-07-01 | 河南中录电缆有限公司 | Carbon fiber reinforced insulating and flame-retardant aluminum alloy cable |
-
2011
- 2011-05-16 CN CN2011201555714U patent/CN202008868U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065713A (en) * | 2013-01-05 | 2013-04-24 | 辽宁金环电缆有限公司 | High-strength full-shield anti-pulse superhigh frequency cable for nuclear power |
| CN103854793A (en) * | 2013-09-03 | 2014-06-11 | 安徽华源电缆集团有限公司 | Concentric conductor rare earth aluminum alloy power cable |
| CN104751973A (en) * | 2013-12-31 | 2015-07-01 | 河南中录电缆有限公司 | Carbon fiber reinforced insulating and flame-retardant aluminum alloy 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: 20111012 Termination date: 20180516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |