CN203218019U - Special-shaped flame-retardant aluminum alloy low-voltage power cable - Google Patents
Special-shaped flame-retardant aluminum alloy low-voltage power cable Download PDFInfo
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- CN203218019U CN203218019U CN 201320218696 CN201320218696U CN203218019U CN 203218019 U CN203218019 U CN 203218019U CN 201320218696 CN201320218696 CN 201320218696 CN 201320218696 U CN201320218696 U CN 201320218696U CN 203218019 U CN203218019 U CN 203218019U
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- polyvinyl chloride
- power cable
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Abstract
The utility model discloses a special-shaped flame-retardant aluminum alloy low-voltage power cable, which comprises three circular conductor units composed of circular conductors and flame-retardant polyvinyl chloride layers covered outside the circular conductors, wherein each circular conductor unit is composed of a circular conductor core arranged in the center and a plurality of tile-shaped conductors arranged on the periphery of the circular conductor core, the tile-shaped conductors comprises a plurality of first tile-shaped conductors and a plurality of second tile-shaped conductors, the first tile-shaped conductors are covered on the outer surface of the circular conductor core to form an inner conducting layer, and the second tile-shaped conductors are covered on the outer surface of the inner conducting layer to form an outer conducting layer; a polyvinyl chloride belt is wrapped on the outer surface of the three circular conductor units, and asbestos filling ropes are filled between the polyvinyl chloride belt and the circular conductor units; and an aluminum alloy belt interlocking armored layer is sleeved on the outer surface of the polyvinyl chloride belt. The special-shaped flame-retardant aluminum alloy low-voltage power cable adopts the circular conductor units of specific shapes and structures, and further has the advantages of small outer diameter of conductor, dense filling, small weight, low cost, stable price, and the like.
Description
Technical field
The utility model relates to a kind of lv power cable, relates in particular to the fire-retardant aluminium alloy lv power cable of a kind of abnormal shape.
Background technology
Municipal civilian and worker, the commercial building of state more than 90% all is to adopt the alloy power cable, and the alloy power cable obtains American Architecture designer and electrical design teacher and affirms and recommend with the convenient aspect such as lay consistent in security performance.
China's electrician trade is from nineteen fifty-seven to 1973 year, aluminium cable accounts for more than 60% of the total consumption of conductor, enter the mid-90, the popularization of copper core cable has the gesture of cornering the market greatly, and now, the consumption of aluminium conductor glides again and again, worth thinking deeply about is, the supply of China's copper concentrate is less than 30%, and the ratio above 70% needs dependence on import, causes the architectural electricity cost high.But it is 3,700,000,000 tons that present China has verified bauxite reserves, and under such mineral resources advantage, why not we develop existing resource.Along with science and technology development, the aluminium of high-quality, high-tech content is developed, and the current resources situation of the rich aluminium of global poor copper has been more than 3 times of aluminium valency before the copper marked price in addition, and " with aluminium joint copper " will become natural selection.
Summary of the invention
The utility model provides a kind of abnormal shape fire-retardant aluminium alloy lv power cable, this special-shaped fire-retardant aluminium alloy lv power cable adopts the round conductor unit of given shape and structure, this cable have conductor diameter little, fill closely knit, in light weight, advantages such as cost is low, price steadiness; Secondly, copper cost height, price big rise and big fall and defectives such as the aluminium mechanical performance is low, connection instability have also been overcome.
For achieving the above object, the technical solution adopted in the utility model is: the fire-retardant aluminium alloy lv power cable of a kind of abnormal shape, comprise three round conductor unit of being formed by round conductor and the flame-proof polyvinyl chloride layer that is coated on its outer surface, this round conductor unit comprise one be positioned at central circular lead core and be positioned at around it if first watt of shape conductor of root, this first watt of shape conductor is coated on circle and leads core outer surface and form inner conducting layer;
One polyvinyl chloride band is wrapped in described three round conductor unit outer surfaces, is filled with the asbestos gasket for packing between described polyvinyl chloride band and the round conductor unit;
The chain armour of one aluminum alloy strip is set in described polyvinyl chloride band outer surface;
One fire-retardant external sheath layer is coated on the chain armour outer surface of described aluminum alloy strip.
Further improved technical scheme is as follows in the technique scheme:
1, in the such scheme, described watt of shape conductor is by 19 stranded forming of aluminum-alloy wire.
2, in the such scheme, described aluminum-alloy wire diameter is 2.59mm.
3, in the such scheme, described flame-proof polyvinyl chloride layer diameter is 1.4 ~ 2.0mm.
4, in the such scheme, described polyvinyl chloride tape thickness is 0.4mm.
5, in the such scheme, described round conductor unit also comprises some second watt of shape conductors, and this second watt of shape conductor is coated on the inner conducting layer outer surface and forms outer conducting layer.
Because technique scheme is used, the utility model compared with prior art has following advantage:
1. the special-shaped fire-retardant aluminium alloy lv power cable of the utility model, it adopts the round conductor unit of given shape and structure, this cable have conductor diameter little, fill closely knit, in light weight, advantages such as cost is low, price steadiness.
2. the special-shaped fire-retardant aluminium alloy lv power cable of the utility model, its flexility significantly improves, the bending radius that makes cable only is 7 times of external diameters, improved the tensile strength of fine aluminium, can be supported in the building of large span, proportion only is about 1/3rd of copper, can alleviate the heavy burden requirement to construction steel structure greatly, has saved production cost and laid down cost is installed; Again, employing be the chain armouring of aluminum alloy strip, its layer and the layer between linkage structure, cable is isolated from the outside, improved the flame-retardant rank of cable, reduced the danger coefficient of fire.
Description of drawings
Accompanying drawing 1 is the special-shaped fire-retardant aluminium alloy lv power cable structural representation one of the utility model;
Accompanying drawing 2 is the special-shaped fire-retardant aluminium alloy lv power cable structural representation two of the utility model.
In the above accompanying drawing: 1, round conductor; 2, flame-proof polyvinyl chloride layer; 3, round conductor unit; 4, circle is led core; 5, watt shape conductor; 51, first watt of shape conductor; 52, second watt of shape conductor; 53, inner conducting layer; 54, outer conducting layer; 6, polyvinyl chloride band; 7, asbestos gasket for packing; 8, the chain armour of aluminum alloy strip; 9, fire-retardant external sheath layer.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: the fire-retardant aluminium alloy lv power cable of a kind of abnormal shape, comprise three round conductor unit of being formed by round conductor 1 and the flame-proof polyvinyl chloride layer 2 that is coated on its outer surface 3, this round conductor unit 3 comprise one be positioned at central circular lead core 4 and be positioned at around it if a root watt shape conductor 5, described watt of shape conductor 5 comprises some first watt of shape conductors 51 and some second watt of shape conductors 52, this first watt of shape conductor 51 is coated on circle and leads core 4 outer surfaces formation inner conducting layer 53, and this second watt of shape conductor 52 is coated on inner conducting layer 53 outer surfaces and forms outer conducting layer 54;
One polyvinyl chloride band 6 is wrapped in described three round conductor unit 3 outer surfaces, is filled with asbestos gasket for packing 7 between described polyvinyl chloride band 6 and the round conductor unit 3;
The chain armour 8 of one aluminum alloy strip is set in described polyvinyl chloride band 6 outer surfaces;
One fire-retardant external sheath layer 9 is coated on chain armour 8 outer surfaces of described aluminum alloy strip.
Above-mentioned watt of shape conductor 5 is by 19 stranded forming of aluminum-alloy wire.
Above-mentioned aluminum-alloy wire diameter is 2.59mm.
Above-mentioned flame-proof polyvinyl chloride layer 2 diameter are 1.4 ~ 2.0mm.
Above-mentioned polyvinyl chloride band 6 thickness are 0.4mm.
With 3*95mm
2The aluminium alloy cable is example:
(1) conductor operation: the aluminum-alloy wire that 19 diameters are 2.59mm is arranged with certain rules, adopt special special-shaped pressing mold, be suppressed into a kind of molded lines conductor.
(2) insulation operation: extrude the flame-proof polyvinyl chloride insulating barrier that one deck nominal thickness is 1.6mm at aluminium alloy conductor surface, the color of three cores is followed successively by Huang, green, red, and the eccentricity control of every core is in 20%.
(3) stranding operation: three colors are placed stranding in order successively for yellow, green, red core, for guaranteeing the core rounding, add the asbestos gasket for packing during stranding between core and the core, the flame-proof polyvinyl chloride band that a wrapped layer thickness is 0.4mm, the Duplication control of flame-proof polyvinyl chloride band is 20 ~ 30%.
(4) armouring operation: be that the aluminum alloy strip of 0.5mm adopts the processing technology of interlock type to be coated on into the cable core outer surface with two layers of thickness.
(5) sheath operation: the core surface behind armouring extrude one deck nominal thickness be the flame-proof polyvinyl chloride of 1.8mm as sheath, the color of sheath is black, eccentricity is controlled in 25%.
Embodiment 2: the fire-retardant aluminium alloy lv power cable of a kind of abnormal shape, comprise three round conductor unit of being formed by round conductor 1 and the flame-proof polyvinyl chloride layer 2 that is coated on its outer surface 3, this round conductor unit 3 comprise one be positioned at central circular lead core 4 and be positioned at around it if first watt of shape conductor 51 of root, this first watt of shape conductor 51 is coated on circle and leads core 4 outer surfaces and form inner conducting layer 53;
One polyvinyl chloride band 6 is wrapped in described three round conductor unit 3 outer surfaces, is filled with asbestos gasket for packing 7 between described polyvinyl chloride band 6 and the round conductor unit 3;
The chain armour 8 of one aluminum alloy strip is set in described polyvinyl chloride band 6 outer surfaces;
One fire-retardant external sheath layer 9 is coated on chain armour 8 outer surfaces of described aluminum alloy strip.
Above-mentioned watt of shape conductor 5 is by 19 stranded forming of aluminum-alloy wire.
Above-mentioned aluminum-alloy wire diameter is 2.59mm.
Above-mentioned flame-proof polyvinyl chloride layer 2 diameter are 1.4 ~ 2.0mm.
Above-mentioned polyvinyl chloride band 6 thickness are 0.4mm.
When adopting the fire-retardant aluminium alloy lv power cable of above-mentioned novel abnormal shape, it adopts the round conductor unit of given shape and structure, this cable have conductor diameter little, fill closely knit, in light weight, advantages such as cost is low, price steadiness; Secondly, its flexility significantly improves, the bending radius that makes cable only is 7 times of external diameters, improved the tensile strength of fine aluminium, can be supported in the building of large span, proportion only is about 1/3rd of copper, can alleviate the heavy burden requirement to construction steel structure greatly, has saved production cost and laid down cost is installed; Again, employing be the chain armouring of aluminum alloy strip, its layer and the layer between linkage structure, cable is isolated from the outside, improved the flame-retardant rank of cable, reduced the danger coefficient of fire.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (6)
1. fire-retardant aluminium alloy lv power cable of abnormal shape, it is characterized in that: comprise three by round conductor (1) and be coated on the round conductor unit (3) that the flame-proof polyvinyl chloride layer (2) of its outer surface is formed, this round conductor unit (3) comprise one be positioned at central circular lead core (4) and be positioned at around it if first watt of shape conductor of root (51), this first watt of shape conductor (51) is coated on circle and leads core (4) outer surface and form inner conducting layer (53);
One polyvinyl chloride band (6) is wrapped in described three round conductor unit (3) outer surface, is filled with asbestos gasket for packing (7) between described polyvinyl chloride band (6) and round conductor unit (3);
The chain armour of one aluminum alloy strip (8) is set in described polyvinyl chloride band (6) outer surface;
One fire-retardant external sheath layer (9) is coated on the chain armour of described aluminum alloy strip (8) outer surface.
2. the fire-retardant aluminium alloy lv power cable of abnormal shape according to claim 1, it is characterized in that: described round conductor unit (3) also comprises some second watt shape conductor (52), and this second watt of shape conductor (52) is coated on inner conducting layer (53) outer surface and forms outer conducting layer (54).
3. the fire-retardant aluminium alloy lv power cable of abnormal shape according to claim 1, it is characterized in that: described watt of shape conductor (5) is by 19 stranded forming of aluminum-alloy wire.
4. the fire-retardant aluminium alloy lv power cable of abnormal shape according to claim 1, it is characterized in that: described aluminum-alloy wire diameter is 2.59mm.
5. the fire-retardant aluminium alloy lv power cable of abnormal shape according to claim 1, it is characterized in that: described flame-proof polyvinyl chloride layer (2) diameter is 1.4 ~ 2.0mm.
6. the fire-retardant aluminium alloy lv power cable of abnormal shape according to claim 1, it is characterized in that: described polyvinyl chloride band (6) thickness is 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218696 CN203218019U (en) | 2013-04-26 | 2013-04-26 | Special-shaped flame-retardant aluminum alloy low-voltage power cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218696 CN203218019U (en) | 2013-04-26 | 2013-04-26 | Special-shaped flame-retardant aluminum alloy low-voltage power cable |
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| CN203218019U true CN203218019U (en) | 2013-09-25 |
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| CN 201320218696 Expired - Fee Related CN203218019U (en) | 2013-04-26 | 2013-04-26 | Special-shaped flame-retardant aluminum alloy low-voltage power cable |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021868A (en) * | 2014-06-23 | 2014-09-03 | 国家电网公司 | Aluminum alloy core interlocking armor photoelectric composite low-voltage power cable and production method thereof |
| CN104123990A (en) * | 2014-08-08 | 2014-10-29 | 江苏亨通电力电缆有限公司 | 6kV-35kV crosslinked polyethylene insulated power cable with aluminum alloy conductors |
| CN104616746A (en) * | 2015-01-12 | 2015-05-13 | 江苏亨通线缆科技有限公司 | Aluminum alloy flexible cable suitable for construction |
| CN104733118A (en) * | 2014-12-31 | 2015-06-24 | 福建世纪电缆有限公司 | Rare earth aluminum alloy low-voltage interlock armoring power cable and preparing method thereof |
| CN106024184A (en) * | 2016-08-12 | 2016-10-12 | 河南开启电力实业有限公司 | Halogen-free low-smoke flame-retardant power cable |
-
2013
- 2013-04-26 CN CN 201320218696 patent/CN203218019U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021868A (en) * | 2014-06-23 | 2014-09-03 | 国家电网公司 | Aluminum alloy core interlocking armor photoelectric composite low-voltage power cable and production method thereof |
| CN104123990A (en) * | 2014-08-08 | 2014-10-29 | 江苏亨通电力电缆有限公司 | 6kV-35kV crosslinked polyethylene insulated power cable with aluminum alloy conductors |
| CN104733118A (en) * | 2014-12-31 | 2015-06-24 | 福建世纪电缆有限公司 | Rare earth aluminum alloy low-voltage interlock armoring power cable and preparing method thereof |
| CN104616746A (en) * | 2015-01-12 | 2015-05-13 | 江苏亨通线缆科技有限公司 | Aluminum alloy flexible cable suitable for construction |
| CN107045902A (en) * | 2015-01-12 | 2017-08-15 | 江苏亨通线缆科技有限公司 | Telecommunications distribution system low-loss alloy flexible cable |
| CN106024184A (en) * | 2016-08-12 | 2016-10-12 | 河南开启电力实业有限公司 | Halogen-free low-smoke flame-retardant power cable |
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Legal Events
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| 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: 20130925 Termination date: 20190426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |