CN104021868A - Aluminum alloy core interlocking armor photoelectric composite low-voltage power cable and production method thereof - Google Patents
Aluminum alloy core interlocking armor photoelectric composite low-voltage power cable and production method thereof Download PDFInfo
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- CN104021868A CN104021868A CN201410284153.3A CN201410284153A CN104021868A CN 104021868 A CN104021868 A CN 104021868A CN 201410284153 A CN201410284153 A CN 201410284153A CN 104021868 A CN104021868 A CN 104021868A
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Abstract
The invention provides an aluminum alloy core interlocking armor photoelectric composite low-voltage power cable. The aluminum alloy core interlocking and armoring photoelectric composite low-voltage power cable comprises five aluminum alloy wire cores and a photoelectric unit, wherein each aluminum alloy wire core is an aluminum alloy conductor covered with a silicone cross-linked polyethylene insulating layer with the thickness of 1.0-2.2mm; the five aluminum alloy wire cores and the photoelectric unit are fastened and fixed by using two layers of non-woven fabric winding strips with the thickness of 0.15-0.25mm; each non-woven fabric winding strip is sequentially covered with an aluminum alloy belt interlocking armor with the thickness of 0.5-0.7mm and a polyvinyl chloride inflaming retarding outer sheath with the thickness of 1.8-3.5mm from inside to outside. The invention further provides a production method of the cable.
Description
Technical field
The present invention relates to photoelectric composite low-pressure field of cables, in particular to the production method of a kind of aluminium alloy core lock armo photoelectric composite low-pressure power cable and this cable.
Background technology
At developed country's aluminium alloy conductor, in electric wire industry, studying application and surpass 90 years, but obtain Important Techmical Progress and extensive use, is but after 60～seventies of last century.Play aluminium alloy conductor (take AA8030, AA8176 as representative) power cable the sixties in last century and in North America, start application, be mainly used in building low-voltage distribution system, so far the Application in manufacture of existing nearly 50 years practice, the long-time running of numerous engineering projects proves that this product safety is reliable.
China's electrician trade enters the mid-90, the popularization of copper core cable has greatly the gesture of cornering the market, and the supply of China's copper concentrate is less than 30%, ratio over 70% needs dependence on import, in addition the current resources situation of the rich aluminium of global poor copper, before copper marked price, be the more than 3 times of aluminium valency, caused architectural electricity cost high.But it is 3,700,000,000 tons that current China has verified bauxite reserves, under such aluminium Advantage of Mineral Resources, along with scientific and technical development, the aluminium of high-quality, high-tech content is developed, and " with aluminium joint copper " becomes natural selection.
Along with China greatly develops the expansion that construction " strong intelligent grid " is worked, the low tension communication network of building connection electric network terminal user just becomes the key link that current intelligent grid is built.By power optical fiber, arrive family (PFTTH), realized the synchronous transmission of flow of power and information flow.Adopting aluminium alloy core lock armo optical fiber composite low-voltage power cable to power, can thoroughly solve electric network information problem again, is effective support that country realizes " with aluminium joint copper ", " many nets merge " strategic plan.
Therefore the photoelectricity composite power cable, laying behind a kind of new aluminium alloy core lock armo light unit of needs.
Summary of the invention
Technical problem to be solved by this invention is, the photoelectricity composite power cable laying behind a kind of new aluminium alloy core lock armo light unit is provided.
For this reason, technical scheme of the present invention is as follows:
A kind of aluminium alloy core lock armo photoelectric composite low-pressure power cable, comprise five aluminium alloy cores and a light unit, every described aluminium alloy core is and is enclosed with the aluminium alloy conductor that thickness is the organosilane crosslinked polyethylene insulation layer of 1.0～2.2mm, the nonwoven fabrics strip winding that the periphery of five described aluminium alloy cores and described smooth unit is 0.15～0.25mm by two-layer every layer thickness is tightened fixing, described nonwoven fabrics strip winding is also enclosed with outward the fire-retardant oversheath of polyvinyl chloride that aluminum alloy strip lock armo that thickness is 0.5～0.7mm and thickness are 1.8～3.5mm from inside to outside successively.
The present invention also provides a kind of production method of described aluminium alloy core lock armo photoelectric composite low-pressure power cable, comprises the following steps:
(1) conductor operation, arranges the aluminum-alloy wire of 7～37 same diameter by regular stranded mode, adopt circular compressing mold to be pressed into described aluminium alloy conductor;
(2) insulation operation, form described aluminium alloy core, and the eccentricity of controlling described organosilane crosslinked polyethylene insulation layer is in 15% in described aluminium alloy conductor surface parcel a layer thickness at the described organosilane crosslinked polyethylene insulation layer of 1.0～2.2mm;
(3) stranding operation, is placed to cable by five described aluminium alloy cores, the described nonwoven fabrics strip winding that during stranding, wrapped two-layer every layer thickness is 0.15～0.25mm, and the Duplication of described nonwoven fabrics strip winding is controlled at 20～30%;
(4) armouring operation, adopts the aluminum alloy strip that a layer thickness is 0.5～0.7mm to be coated on described nonwoven fabrics strip winding outer surface, forms described aluminum alloy strip lock armo;
(5) outer nurse's order, the flame-proof polyvinyl chloride that is 1.8～3.5mm in described aluminum alloy strip lock armo outer surface parcel a layer thickness, form the fire-retardant oversheath of described polyvinyl chloride, and the eccentricity of the fire-retardant oversheath of described polyvinyl chloride is controlled in 25%.
Aluminium alloy core lock armo optical fiber composite low-voltage power cable in the present invention can adopt AA8030 type aluminium alloy as conductor, there is the advantages such as lightweight, cost is low, price steadiness, good seal performance, overcome that copper cost is high, price big rise and big fall and aluminium mechanical performance low, connect the defects such as unstable; Secondly, adopt aluminum alloy strip lock armo, make cable there is certain sealing, fire-retardant, block-water performance, also improved the withstand voltage resistance to performance of drawing of machinery of cable simultaneously; Finally, adopt the compound thorough solution electric network information problem of optical fiber, and can meet the access demand of all information services of the whole society completely, it is effective support that country realizes " many nets merge " strategic plan, also thoroughly avoid various circuit repeated construction, solve safe distance, seize the problems such as passage, scissors crossing, improve resource utilization, reduce production costs; Realized power optical fiber to family, utilization is applied to huge numbers of families' low-voltage cable circuit, realize the synchronous transmission of electrical network " last kilometer " flow of power and information flow, solve the repeatedly construction of many circuits such as electric wire, netting twine, telephone wire, cable television line, the masses of interference community normal life and the overlapping investment of avoiding overlapping construction and causing; Solve the problems such as broadband access, equipment electricity consumption, emergency signal transmission; The communication issue that solves power network, has good bending and resistance to side pressure performance.Reach and can power, can thoroughly solve electric network information problem again, make country realize " with aluminium joint copper ", " many nets merge " strategic plan.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of the aluminium alloy core lock armo photoelectric composite low-pressure power cable of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
As shown in Figure 1, aluminium alloy core lock armo photoelectric composite low-pressure power cable comprises five aluminium alloy cores and a light unit 3 according to an embodiment of the invention, every described aluminium alloy core is and is enclosed with the aluminium alloy conductor 1 that thickness is the organosilane crosslinked polyethylene insulation layer 2 of 1.0～2.2mm, nonwoven fabrics 4 strip windings that five described aluminium alloy cores and described smooth unit 3 are 0.15～0.25mm by two-layer every layer thickness are tightened fixing, described nonwoven fabrics strip winding 4 is outer is also enclosed with the fire-retardant oversheath 6 of polyvinyl chloride that aluminum alloy strip lock armo 5 that thickness is 0.5～0.7mm and thickness are 1.8～3.5mm from inside to outside successively.
The present invention also provides a kind of production method of described aluminium alloy core lock armo photoelectric composite low-pressure power cable, with 5*240mm
2aluminium alloy cable is example, comprises the following steps:
(1) conductor operation, arranges the aluminium alloy of 37 diameter 2.87mm in the regular stranded mode of 1+6+12+18, adopt circular compressing mold to be pressed into described aluminium alloy conductor;
(2) insulation operation, form described aluminium alloy core, and the eccentricity of controlling described organosilane crosslinked polyethylene insulation layer is in 15% in described aluminium alloy conductor surface parcel a layer thickness at the described organosilane crosslinked polyethylene insulation layer of 1.7mm;
(3) stranding operation, is placed to cable by five described aluminium alloy cores, the described nonwoven fabrics strip winding that during stranding, wrapped two-layer every layer thickness is 0.2mm, and the Duplication of described nonwoven fabrics strip winding is controlled at 20～30%;
(4) armouring operation, adopts the aluminum alloy strip that a layer thickness is 0.6mm to be coated on described nonwoven fabrics strip winding outer surface, forms described aluminum alloy strip lock armo;
(5) outer nurse's order, the flame-proof polyvinyl chloride that is 3.2mm in described aluminum alloy strip lock armo outer surface parcel a layer thickness, form the fire-retardant oversheath of described polyvinyl chloride, and the eccentricity of the fire-retardant oversheath of described polyvinyl chloride is controlled in 25%.
Aluminium alloy core lock armo optical fiber composite low-voltage power cable in the present invention adopts AA8030 type aluminium alloy as conductor, there is the advantages such as lightweight, cost is low, price steadiness, good seal performance, overcome that copper cost is high, price big rise and big fall and aluminium mechanical performance low, connect the defects such as unstable; Secondly, adopt aluminum alloy strip lock armo, make cable there is certain sealing, fire-retardant, block-water performance, also improved the withstand voltage resistance to performance of drawing of machinery of cable simultaneously; Finally, adopt the compound thorough solution electric network information problem of optical fiber, and can meet the access demand of all information services of the whole society completely, it is effective support that country realizes " many nets merge " strategic plan, also thoroughly avoid various circuit repeated construction, solve safe distance, seize the problems such as passage, scissors crossing, improve resource utilization, reduce production costs; Realized power optical fiber to family, utilization is applied to huge numbers of families' low-voltage cable circuit, realize the synchronous transmission of electrical network " last kilometer " flow of power and information flow, solve the repeatedly construction of many circuits such as electric wire, netting twine, telephone wire, cable television line, the masses of interference community normal life and the overlapping investment of avoiding overlapping construction and causing; Solve the problems such as broadband access, equipment electricity consumption, emergency signal transmission; The communication issue that solves power network, has good bending and resistance to side pressure performance.Reach and can power, can thoroughly solve electric network information problem again, make country realize " with aluminium joint copper ", " many nets merge " strategic plan.
In sum, content of the present invention is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present invention, but this embodiment comprises within the scope of the present invention.
Claims (2)
1. an aluminium alloy core lock armo photoelectric composite low-pressure power cable, it is characterized in that, comprise five aluminium alloy cores and a light unit, every described aluminium alloy core is and is enclosed with the aluminium alloy conductor that thickness is the organosilane crosslinked polyethylene insulation layer of 1.0～2.2mm, the nonwoven fabrics strip winding that the periphery of five described aluminium alloy cores and described smooth unit is 0.15～0.25mm by two-layer every layer thickness is tightened fixing, described nonwoven fabrics strip winding is also enclosed with outward the fire-retardant oversheath of polyvinyl chloride that aluminum alloy strip lock armo that thickness is 0.5～0.7mm and thickness are 1.8～3.5mm from inside to outside successively.
2. a production method for aluminium alloy core lock armo photoelectric composite low-pressure power cable as claimed in claim 1, is characterized in that, comprises the following steps:
(1) conductor operation, arranges the aluminum-alloy wire of 7～37 same diameter by regular stranded mode, adopt circular compressing mold to be pressed into described aluminium alloy conductor;
(2) insulation operation, the described organosilane crosslinked polyethylene insulation layer in described aluminium alloy conductor surface parcel a layer thickness at 1.0～2.2mm, form described aluminium alloy core, and the eccentricity of controlling described organosilane crosslinked polyethylene insulation layer is in 15%;
(3) stranding operation, is placed to cable by five described aluminium alloy cores, the described nonwoven fabrics strip winding that during stranding, wrapped two-layer every layer thickness is 0.15～0.25mm, and the Duplication of described nonwoven fabrics strip winding is controlled at 20～30%;
(4) armouring operation, adopts the aluminum alloy strip that a layer thickness is 0.5～0.7mm to be coated on described nonwoven fabrics strip winding outer surface, forms described aluminum alloy strip lock armo;
(5) outer nurse's order, the flame-proof polyvinyl chloride that is 1.8～3.5mm in described aluminum alloy strip lock armo outer surface parcel a layer thickness, form the fire-retardant oversheath of described polyvinyl chloride, and the eccentricity of the fire-retardant oversheath of described polyvinyl chloride is controlled in 25%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410284153.3A CN104021868A (en) | 2014-06-23 | 2014-06-23 | Aluminum alloy core interlocking armor photoelectric composite low-voltage power cable and production method thereof |
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| CN201410284153.3A CN104021868A (en) | 2014-06-23 | 2014-06-23 | Aluminum alloy core interlocking armor photoelectric composite low-voltage power cable and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205865A (en) * | 2016-07-26 | 2016-12-07 | 四川久盛通信科技有限公司 | Lv power cable production method |
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| JPH11120837A (en) * | 1997-10-09 | 1999-04-30 | Fujikura Ltd | Neutral conductor composite dc power cable and dc power cable line |
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| CN203242414U (en) * | 2013-04-10 | 2013-10-16 | 江苏亨通线缆科技有限公司 | Novel aluminum alloy flexible cable |
| CN203325482U (en) * | 2013-05-17 | 2013-12-04 | 江苏亨通线缆科技有限公司 | Interlock type armoured mice-proof and termit-proof aluminium alloy cable |
| CN103646716A (en) * | 2013-11-29 | 2014-03-19 | 四川鑫电电缆有限公司 | Aluminum alloy conductor optical fiber composite cable |
| CN203536092U (en) * | 2013-10-19 | 2014-04-09 | 河南中录电缆有限公司 | Carbon fiber reinforced aluminum alloy conductor photoelectric composite cable |
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| JPH11120837A (en) * | 1997-10-09 | 1999-04-30 | Fujikura Ltd | Neutral conductor composite dc power cable and dc power cable line |
| CN102222546A (en) * | 2011-06-24 | 2011-10-19 | 航天电工技术有限公司 | Interlocking type armored optical fiber composite low-voltage cable of creep-resistant aluminum alloy conductor |
| CN102222550A (en) * | 2011-06-24 | 2011-10-19 | 航天电工技术有限公司 | Manufacturing method of creeping-resisting aluminium alloy conductor interlocking armoring optical-fiber composite low-voltage cable |
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| CN106205865A (en) * | 2016-07-26 | 2016-12-07 | 四川久盛通信科技有限公司 | Lv power cable production method |
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Application publication date: 20140903 |