CN103035332A - Aluminum-alloy conductor environmental-friendly flame-retardant cable - Google Patents
Aluminum-alloy conductor environmental-friendly flame-retardant cable Download PDFInfo
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- CN103035332A CN103035332A CN2012105557525A CN201210555752A CN103035332A CN 103035332 A CN103035332 A CN 103035332A CN 2012105557525 A CN2012105557525 A CN 2012105557525A CN 201210555752 A CN201210555752 A CN 201210555752A CN 103035332 A CN103035332 A CN 103035332A
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Abstract
The invention discloses an aluminum-alloy conductor environmental-friendly flame-retardant cable which comprises at least one aluminum-alloy conductor, an insulating layer wraps the aluminum-alloy conductor, an inside liner is arranged outside the insulating layer, an armor layer wraps the inside liner, and an outer protective sleeve wraps the armor layer. The aluminum-alloy conductor environmental-friendly flame-retardant cable is reasonable in design, simple in structure and low in cost with aluminum alloy materials. A linkage type armor method is used, the compressive property is more than three times of that of a common steel belt armored cable, a corrugated pipe can be replaced in the laying process, the bending radius of the linkage type armored cable is half of the bending radius of a common armored cable, and therefore the cable is softer and easy to lay.
Description
Technical field
The present invention relates to the cables manufacturing technical field, be specifically related to a kind of aluminium alloy conductor environmental protection flame retardant cable.
Background technology
For a long time, people are to the selection of low-voltage cable for building, normally take copper as main.Thinking that copper conductor all is higher than other conductors on electric property and the degree of reliability, is the only selection as cable material.But copper is as tellurian a kind of scarce resource, especially in our country, ore reserve are very limited, the a large amount of dependence on import of Copper Ores, and in the situation under the overall situation of advocating energy-conserving and environment-protective, sustainable development, cable industry is being done the best always and is being promoted with aluminium for copper, and the more problem but the aluminum cable in use comes out, the especially oxidation of aluminum conductor joint cause a lot of fire.The various advantages such as the copper conductor electric property is stable, anti-mechanical fatigue, resistance to chemical attack remain take copper as main in application.
Development along with science and technology, the aluminium of high-quality, high-tech content is developed, the in addition current resources situation of the rich aluminium of global poor copper, copper spare has been more than 3 times of aluminium valency (about 60,000 yuan/tons of copper at present, about 1.7 ten thousand yuan/tons of aluminium), become again the selection of nature with " aluminium " for copper, in addition, under the overall situation of advocating energy-conserving and environment-protective, sustainable development, the environmental protection of cable product, fire-retardant etc. is required also day by day to improve.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and a kind of aluminium alloy conductor environmental protection flame retardant cable is provided, and that this cable has is simple in structure, easy to use, can effectively reduce cost, and meets the environmental protection flame retardant requirement.
Consider the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
A kind of aluminium alloy conductor environmental protection flame retardant cable comprises at least one aluminium alloy conductor, described aluminium alloy conductor outer wrapping insulating barrier, and insulating barrier is outward inner covering, inner covering outer cladding armour, armour outer wrapping oversheath.
In order to realize better the present invention, further technical scheme is:
In one embodiment of the invention, described insulating barrier adopts silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating material.
In one embodiment of the invention, described inner covering adopts oxygen index greater than 38 low-smoke halide-free fireproof composite polyolefine material.
In one embodiment of the invention, described armour is the interlock type armour, and thickness is 0.2-0.8mm.
In one embodiment of the invention, the material of described oversheath is 90 ℃ of halogen-free and low-smoke flame-retardant polyolefins.
In one embodiment of the invention, the insulating barrier that described aluminium alloy conductor is outer and place, the slit between the inner covering are gasket for packing, and described gasket for packing adopts LSOH anti-flaming glass fibre gasket for packing.
In one embodiment of the invention, described aluminium alloy conductor is five.
In one embodiment of the invention, described aluminium alloy conductor is circular.
In one embodiment of the invention, a described aluminium alloy conductor is circular, and all the other four aluminium alloy conductors are fan-shaped.The present invention can also be:
In one embodiment of the invention, described five aluminium alloy conductors enclose mutually and form the circle shape.
Compared with prior art, one of beneficial effect of the present invention is:
(1) aluminium alloy conductor environmental protection flame retardant cable design of the present invention is reasonable, simple in structure, adopts aluminum alloy materials, and product cost is low;
(2) adopt the interlock type armouring, compressive property is more than 3 times of common band-armored, can replace bellows when laying.Interlock type armoured cable bending radius is half of common armoured cable bending radius, so cable is more soft, is easy to lay;
(3) used nonmetallic materials are all not halogen-containing, and the poisonous and harmful substance limit value meets the regulation of HJ 2501 environment protectment protections in the product, and light transmittance is not less than 60% during the finished cable burning;
(4) finished cable of the present invention meets the category-A bunched burning test requirement of stipulating in GB/T 18380 standards.
(5) material selected of the present invention is callable environment-friendly materials, and environmental pollution is little.
Description of drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, the below will do simple the introduction to the accompanying drawing of required use in the description of embodiment or prior art, apparently, the accompanying drawing that the following describes only is the reference to some embodiment in the present specification, for those skilled in the art, in the situation of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows the according to an embodiment of the invention structural representation of aluminium alloy conductor environmental protection flame retardant cable.
Fig. 2 shows the in accordance with another embodiment of the present invention structural representation of aluminium alloy conductor environmental protection flame retardant cable.
Wherein, the corresponding name of the Reference numeral in the accompanying drawing is called:
The 1-conductor, 2-insulating barrier, 3-inner covering, 4-armour, 5-oversheath, 6-gasket for packing.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Fig. 1 shows the according to an embodiment of the invention structural representation of aluminium alloy conductor environmental protection flame retardant cable.A kind of aluminium alloy conductor environmental protection flame retardant cable as shown in Figure 1, comprise at least one aluminium alloy conductor 1, aluminium alloy conductor 1 in the present embodiment is selected five, five conductors 1 are pressed on together, the cross section of its aluminium alloy conductor 1 is circular, described aluminium alloy conductor 1 outer wrapping insulating barrier 2, inner covering 3 outside the insulating barrier 2, inner covering 3 outer cladding armours 4, armour 4 outer wrapping oversheaths 5, aluminium alloy conductor 1 outer insulating barrier 2 and place, the slit between the inner covering 3 is gasket for packing 6, and described gasket for packing 6 can adopt LSOH anti-flaming glass fibre gasket for packing.
Described insulating barrier 2 can adopt silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating material.
Described inner covering 3 can adopt oxygen index greater than 38 low-smoke halide-free fireproof composite polyolefine material.
Described armour 4 can be the interlock type armour, and thickness is 0.2-0.8mm.Can choose in other embodiments such as 0.3 millimeter, 0.4 millimeter, 0.5 millimeter, 0.6 millimeter, 0.7 millimeter etc., other structure repeats no more.
Be the interlock type armour of 0.2-0.8mm by thickness, the compressive property of bringing is more than 3 times of common band-armored, can replace bellows when laying.Interlock type armoured cable bending radius is half of common armoured cable bending radius, so cable is more soft, is easy to lay.
The material of described oversheath 5 can be 90 ℃ of halogen-free and low-smoke flame-retardant polyolefins.
Aluminium alloy conductor environmental protection flame retardant cable production procedure in the present embodiment, may further comprise the steps successively: press by wire drawing, twisted wire, layering drawing and make circular compact conductor 1, carry out the processing of layer insulation 2 at plastic extruder, on cabler, carry out simultaneously the processing of gasket for packing 6 and inner covering 3, then carry out the processing of armour 4 at armoring machine, implement at last the preparation of oversheath 5 at plastic extruder.
Embodiment 2
Fig. 2 shows the in accordance with another embodiment of the present invention structural representation of aluminium alloy conductor environmental protection flame retardant cable.A kind of aluminium alloy conductor environmental protection flame retardant cable as shown in Figure 2, comprise at least one aluminium alloy conductor 1, aluminium alloy conductor 1 in the present embodiment is selected five, a cross section in its five aluminium alloy conductors 1 is circular, all the other four is fan-shaped, five aluminium alloy conductors 1 are pressed on together, enclose mutually to form the circle shape; In other words, in its five aluminium alloy conductors 1 one is earth connection (be generally master core nominal cross half), cross-sectional area is circular, all the other four cores of serving as theme, cross section is fan-shaped, five aluminium alloy conductor 1 strandings twist together, enclose mutually and form the circle shape, because master core adopts fan-shapedly, can reduce the external diameter after stranded, economical with materials.Described aluminium alloy conductor 1 outer wrapping insulating barrier 2, inner covering 3 outside the insulating barrier 2, inner covering 3 outer cladding armours 4, armour 4 outer wrapping oversheaths 5, aluminium alloy conductor 1 outer insulating barrier 2 and place, the slit between the inner covering 3 is gasket for packing 6, and described gasket for packing 6 can adopt LSOH anti-flaming glass fibre gasket for packing.
Described insulating barrier 2 can adopt silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating material.
Described inner covering 3 can adopt oxygen index greater than 38 low-smoke halide-free fireproof composite polyolefine material.
Described armour 4 can be the interlock type armour, and thickness is 0.2-0.8mm.Can choose in other embodiments such as 0.3 millimeter, 0.4 millimeter, 0.5 millimeter, 0.6 millimeter, 0.7 millimeter etc., other structure repeats no more.
The material of described oversheath 5 is 90 ℃ of halogen-free and low-smoke flame-retardant polyolefins.
Aluminium alloy conductor environmental protection flame retardant cable (sector conductor) production procedure of above-described embodiment, may further comprise the steps successively: press by wire drawing, twisted wire, fan-shaped pinch roller and make fan-shaped compact conductor 1, carry out the processing of layer insulation 2 at plastic extruder, on cabler, process simultaneously gasket for packing 6 and inner covering 3, then carry out the processing of armour 4 at armoring machine, implement at last the processing of oversheath 5 at plastic extruder.
Among the above embodiment, used nonmetallic materials are all not halogen-containing, and the poisonous and harmful substance limit value meets the regulation of HJ 2501 environment protectment protections in the product, and light transmittance is not less than 60% during the finished cable burning.With the application's technical scheme system finished cable meet the category-A bunched burning test requirement of stipulating in GB/T 18380 standards.And the material of selecting is callable environment-friendly materials, and environmental pollution is little.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part cross-references gets final product between each embodiment.
" embodiment " who speaks of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included among at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also fall within the scope of the invention.
Although invention has been described with reference to a plurality of explanatory embodiment of the present invention here, but, should be appreciated that those skilled in the art can design a lot of other modification and execution modes, these are revised and execution mode will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. an aluminium alloy conductor environmental protection flame retardant cable is characterized in that, comprises at least one aluminium alloy conductor, described aluminium alloy conductor outer wrapping insulating barrier, and insulating barrier is outward inner covering, inner covering outer cladding armour, armour outer wrapping oversheath.
2. aluminium alloy conductor environmental protection flame retardant cable according to claim 1 is characterized in that, described insulating barrier adopts silane crosslinked halogen-free low-smoke flame-proof polyolefin insulating material.
3. aluminium alloy conductor environmental protection flame retardant cable according to claim 1 is characterized in that, described inner covering adopts oxygen index greater than 38 low-smoke halide-free fireproof composite polyolefine material.
4. aluminium alloy conductor environmental protection flame retardant cable according to claim 1 is characterized in that, described armour is the interlock type armour, and thickness is 0.2-0.8mm.
5. aluminium alloy conductor environmental protection flame retardant cable according to claim 1 is characterized in that, the material of described oversheath is 90 ℃ of halogen-free and low-smoke flame-retardant polyolefins.
6. aluminium alloy conductor environmental protection flame retardant cable according to claim 1 is characterized in that, the insulating barrier that described aluminium alloy conductor is outer and place, the slit between the inner covering are gasket for packing, and described gasket for packing adopts LSOH anti-flaming glass fibre gasket for packing.
7. aluminium alloy conductor environmental protection flame retardant cable according to claim 6 is characterized in that, described aluminium alloy conductor is five.
8. according to claim 1 to the described aluminium alloy conductor environmental protection flame retardant of 7 any one cable, it is characterized in that described aluminium alloy conductor is circular.
9. aluminium alloy conductor environmental protection flame retardant cable according to claim 7 is characterized in that, a described aluminium alloy conductor is circular, and all the other four aluminium alloy conductors are fan-shaped.
10. aluminium alloy conductor environmental protection flame retardant cable according to claim 9 is characterized in that, described five aluminium alloy conductors enclose mutually and form the circle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105557525A CN103035332A (en) | 2012-12-20 | 2012-12-20 | Aluminum-alloy conductor environmental-friendly flame-retardant cable |
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| CN2012105557525A CN103035332A (en) | 2012-12-20 | 2012-12-20 | Aluminum-alloy conductor environmental-friendly flame-retardant cable |
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| CN103035332A true CN103035332A (en) | 2013-04-10 |
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| CN2012105557525A Pending CN103035332A (en) | 2012-12-20 | 2012-12-20 | Aluminum-alloy conductor environmental-friendly flame-retardant cable |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725927A (en) * | 2013-12-26 | 2014-04-16 | 安徽欣意电缆有限公司 | Al-Fe-Cu-Mg aluminum alloy and medium-voltage cable prepared from Al-Fe-Cu-Mg aluminum alloy |
| CN103915203A (en) * | 2013-09-22 | 2014-07-09 | 安徽华天电缆有限公司 | Tinned copper wire armoring jacket and power cable |
| CN104425065A (en) * | 2013-09-02 | 2015-03-18 | 无锡市逸翔线缆有限公司 | Novel armored cable |
| CN105390200A (en) * | 2015-12-10 | 2016-03-09 | 泰丰线缆集团有限公司 | Flexible fireproof cable and preparation method therefor |
| CN112289488A (en) * | 2020-10-29 | 2021-01-29 | 江苏鹏润电缆科技有限公司 | Soft aluminum alloy cable for photo-thermal power generation and production method thereof |
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| CN201765873U (en) * | 2010-08-06 | 2011-03-16 | 沈阳汇成电缆集团有限公司 | Fully flame-retardant and fire-proof armored silicane cross-linked power cable |
| CN102081996A (en) * | 2011-03-04 | 2011-06-01 | 江苏长峰电缆有限公司 | Aluminum alloy conductor cable |
| CN201927392U (en) * | 2010-06-03 | 2011-08-10 | 安徽欣意电缆有限公司 | Flame-retardant cable |
| CN102509577A (en) * | 2011-10-28 | 2012-06-20 | 南洋电缆集团有限公司 | Silane halogen-free flame retardant cross-linking polyolefine cable and manufacturing method thereof |
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- 2012-12-20 CN CN2012105557525A patent/CN103035332A/en active Pending
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| CN201927392U (en) * | 2010-06-03 | 2011-08-10 | 安徽欣意电缆有限公司 | Flame-retardant cable |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425065A (en) * | 2013-09-02 | 2015-03-18 | 无锡市逸翔线缆有限公司 | Novel armored cable |
| CN103915203A (en) * | 2013-09-22 | 2014-07-09 | 安徽华天电缆有限公司 | Tinned copper wire armoring jacket and power cable |
| CN103725927A (en) * | 2013-12-26 | 2014-04-16 | 安徽欣意电缆有限公司 | Al-Fe-Cu-Mg aluminum alloy and medium-voltage cable prepared from Al-Fe-Cu-Mg aluminum alloy |
| CN105390200A (en) * | 2015-12-10 | 2016-03-09 | 泰丰线缆集团有限公司 | Flexible fireproof cable and preparation method therefor |
| CN112289488A (en) * | 2020-10-29 | 2021-01-29 | 江苏鹏润电缆科技有限公司 | Soft aluminum alloy cable for photo-thermal power generation and production method thereof |
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Application publication date: 20130410 |