CN104616745A - High-carrying-capacity flexible cable for communication power supply - Google Patents
High-carrying-capacity flexible cable for communication power supply Download PDFInfo
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- CN104616745A CN104616745A CN201510014066.0A CN201510014066A CN104616745A CN 104616745 A CN104616745 A CN 104616745A CN 201510014066 A CN201510014066 A CN 201510014066A CN 104616745 A CN104616745 A CN 104616745A
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- Prior art keywords
- glass
- aluminum alloy
- flexible cable
- layer
- alloy round
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- 238000004891 communication Methods 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 51
- 239000010410 layer Substances 0.000 claims abstract description 49
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 26
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003063 flame retardant Substances 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 16
- 239000010445 mica Substances 0.000 claims abstract description 13
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 13
- 239000004698 Polyethylene Substances 0.000 claims abstract description 12
- -1 polyethylene Polymers 0.000 claims abstract description 12
- 229920000573 polyethylene Polymers 0.000 claims abstract description 12
- 239000012790 adhesive layer Substances 0.000 claims abstract description 7
- 229920000098 polyolefin Polymers 0.000 claims abstract description 6
- 230000009970 fire resistant effect Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 15
- 229920006231 aramid fiber Polymers 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The invention discloses a high-carrying-capacity flexible cable for a communication power supply. The high-carrying-capacity flexible cable comprises three conductive cores, a plurality of first circular aluminum conductors which form an inner conductive layer, a plurality of second circular aluminum alloy conductors which form an outer conductive layer, and a polyethylene insulating belt which wraps the outer surface of the outer conductive layer; a fireproof flame-retardant layer wraps the outer surface of the polyethylene insulating belt, comprising mica paper, a first glass fabric and a second glass fabric; the mica paper is adhered to the first glass fabric and the second glass fabric through adhesive layers; a glass tape wraps the outer surface of the fireproof flame-retardant layer; a polyolefin insulating protecting sleeve layer wraps the outer surface of the glass tape; a warping tape wraps the outer surfaces of the three conductive cores; an insulating protecting layer wraps the outer surface of the warping tape. According to the high-carrying-capacity flexible cable, the conductivity is improved, and the carrying capacity is increased by about 10%; the cable is non-combustible, high in heat resistance, tight and difficultly to breath, and therefore, the high temperature resistance of the cable is improved.
Description
Technical field
The present invention relates to a kind of communication power supply cable, particularly relate to a kind of communication power supply high current-carrying capacity flexible cable.
Background technology
Along with the quick propelling of 4G application, the communication power supply flexible cable of base station construction obtains a large amount of popularizations and application, is mainly used in the power supply exchanging rack and connects.Communication power supply flexible cable not only requires to have good flexibility, conveniently to lay in narrow space or when similar, and requires to have desirable anti-flammability, to adapt to the instructions for use under the harsh occasion of fire-protection rating.
Although the communication power supply flexible cable being not limited to exemplify above respectively has corresponding technique effect, but there is following common shortcoming: one, due to all using stranded thin copper wire as conductor, and this conductor is called five class copper conductors by industry, and thus softness can not meet the desired requirement.And due to pliability difference, bending radius is restricted, thus narrow space, to hinder by immovable object so the occasion at the place of talking in a roundabout way and so on is laid time, very easily affect speed of application; Its two, due to generally select under technology prejudice with copper as the conductor of flexible cable, thus not only there is the blindness of reasonable employment raw material aspect, and cause the manufacturing cost of flexible cable large; Its three, due to heavy weight, the cost thus not only in logistics transportation, storage link is high, and workmen's labour intensity is large in laid processes, to consume cost of labor high.
Summary of the invention
The invention provides a kind of communication power supply high current-carrying capacity flexible cable, this communication power supply high current-carrying capacity flexible cable improves electric conductivity, the ampacity raising about 10% of cable, and do not burn, heat resistance is high, closely not easily breathe freely, thus make cable have high temperature resistant, flame resistant, not Halogen, not smoking property.
For achieving the above object, the technical solution used in the present invention is: a kind of communication power supply high current-carrying capacity flexible cable, comprise three conductor wire cores, this conductor wire core comprises circular aramid fiber core further, this circular aramid fiber core outer surface is stranded some first aluminum alloy round conductors, and some described first aluminum alloy round conductors form inner conducting layer, this inner conducting layer outer surface is stranded some second aluminum alloy round conductors, and some described second aluminum alloy round conductors form outer conducting layer, a polyethylene insulation band is wrapped in described outer conducting layer outer surface; One fire resistant flame retardant layer is coated on described polyethylene insulation band outer surface, this fire resistant flame retardant layer is made up of mica paper, the first glass-fiber-fabric and the second glass-fiber-fabric, this mica paper and being bonded by adhesive layer between the first glass-fiber-fabric and the second glass-fiber-fabric, one glass tape is wrapped in described fire resistant flame retardant layer outer surface, the coated polyolefin insulation restrictive coating of described glass tape outer surface; One twining package tape is wrapped is overlying on three described conductor wire core outer surfaces, and described twining package tape outer surface is coated with insulating jacket layer.
The technical scheme improved further in technique scheme is as follows:
1. in such scheme, described first aluminum alloy round conductor strand direction is that dextrad is stranded, and described second aluminum alloy round conductor strand direction is that left-hand is stranded.
2., in such scheme, between described twining package tape and conductor wire core, be filled with some PP gasket for packings.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. communication power supply high current-carrying capacity flexible cable of the present invention, fire resistant flame retardant layer is adopted to be coated on polyethylene insulation band outer surface, this fire resistant flame retardant layer is made up of mica paper, the first glass-fiber-fabric and the second glass-fiber-fabric, this mica paper and being bonded by adhesive layer between the first glass-fiber-fabric and the second glass-fiber-fabric, one glass tape is wrapped in fire resistant flame retardant layer outer surface, do not burn, heat resistance is high, closely not easily breathe freely, thus make cable have high temperature resistant, flame resistant, not Halogen, not smoking property.
2. communication power supply high current-carrying capacity flexible cable of the present invention, its circular aramid fiber core outer surface is stranded some first aluminum alloy round conductors, and some described first aluminum alloy round conductors form inner conducting layer, this inner conducting layer outer surface is stranded some second aluminum alloy round conductors, and some described second aluminum alloy round conductors form outer conducting layer, make flexible cable, tensile strength is large, ampacity is high, pliability is high, flexible, and its close structure, minimum bending radius decline most 4 times of cable sizes, reduce the space of mounting arrangement, reduce installation cost, be easier to lay.
Accompanying drawing explanation
Accompanying drawing 1 is communication power supply high current-carrying capacity soft cable structure schematic diagram of the present invention;
Accompanying drawing 2 is fire resistant flame retardant Rotating fields schematic diagram in communication power supply high current-carrying capacity flexible cable of the present invention.
In above accompanying drawing: 1, circular aramid fiber core; 2, inner conducting layer; 21, the first aluminum alloy round conductor; 3, outer conducting layer; 31, the second aluminum alloy round conductor; 4, polyethylene insulation band; 5, fire resistant flame retardant layer; 51, mica paper; 52, the first glass-fiber-fabric; 53, the second glass-fiber-fabric; 54, adhesive layer; 6, glass tape; 7, polyolefin insulation restrictive coating; 8, conductor wire core; 9, twining package tape; 10, insulating jacket layer; 11, PP gasket for packing.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1: a kind of communication power supply high current-carrying capacity flexible cable, comprise three conductor wire cores 8, this conductor wire core 8 comprises circular aramid fiber core 1 further, this circular aramid fiber core 1 outer surface is stranded some first aluminum alloy round conductors 21, and some described first aluminum alloy round conductors 21 form inner conducting layer 2, this inner conducting layer 2 outer surface is stranded some second aluminum alloy round conductors 31, and some described second aluminum alloy round conductors 31 form outer conducting layer 3, a polyethylene insulation band 4 is wrapped in described outer conducting layer 3 outer surface; One fire resistant flame retardant layer 5 is coated on described polyethylene insulation band 4 outer surface, this fire resistant flame retardant layer 5 is made up of mica paper 51, first glass-fiber-fabric 52 and the second glass-fiber-fabric 53, this mica paper 51 and being bonded by adhesive layer 54 between the first glass-fiber-fabric 52 and the second glass-fiber-fabric 53, one glass tape 6 is wrapped in described fire resistant flame retardant layer 5 outer surface, the coated polyolefin insulation restrictive coating 7 of described glass tape 6 outer surface; One twining package tape 9 is wrapped is overlying on three described conductor wire core 8 outer surfaces, and described twining package tape 9 outer surface is coated with insulating jacket layer 10.
Some PP gasket for packings 11 are filled with between above-mentioned twining package tape 9 and conductor wire core 8.
Embodiment 2: a kind of communication power supply high current-carrying capacity flexible cable, comprise three conductor wire cores 8, this conductor wire core 8 comprises circular aramid fiber core 1 further, this circular aramid fiber core 1 outer surface is stranded some first aluminum alloy round conductors 21, and some described first aluminum alloy round conductors 21 form inner conducting layer 2, this inner conducting layer 2 outer surface is stranded some second aluminum alloy round conductors 31, and some described second aluminum alloy round conductors 31 form outer conducting layer 3, a polyethylene insulation band 4 is wrapped in described outer conducting layer 3 outer surface; One fire resistant flame retardant layer 5 is coated on described polyethylene insulation band 4 outer surface, this fire resistant flame retardant layer 5 is made up of mica paper 51, first glass-fiber-fabric 52 and the second glass-fiber-fabric 53, this mica paper 51 and being bonded by adhesive layer 54 between the first glass-fiber-fabric 52 and the second glass-fiber-fabric 53, one glass tape 6 is wrapped in described fire resistant flame retardant layer 5 outer surface, the coated polyolefin insulation restrictive coating 7 of described glass tape 6 outer surface; One twining package tape 9 is wrapped is overlying on three described conductor wire core 8 outer surfaces, and described twining package tape 9 outer surface is coated with insulating jacket layer 10.
Above-mentioned first aluminum alloy round conductor 21 direction of lay is that dextrad is stranded, and described second aluminum alloy round conductor 31 direction of lay is that left-hand is stranded.
Some PP gasket for packings 11 are filled with between above-mentioned twining package tape 9 and conductor wire core 8.
Be 450 ~ 750V and 600 ~ 1000V at rated operational voltage after tested; Long-term work adaptive temperature is :-20 DEG C ~ 70 DEG C; Minimum bending radius decline most 4 times of cable sizes.
When adopting above-mentioned communication power supply high current-carrying capacity flexible cable, do not burn, heat resistance is high, closely not easily breathe freely, thus make cable have high temperature resistant, flame resistant, not Halogen, not smoking property; Secondly, make flexible cable, tensile strength is large, ampacity is high, pliability is high, flexible, and its close structure, minimum bending radius declines most 4 times of cable sizes, reduces the space of mounting arrangement, reduces installation cost, be easier to lay.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. a communication power supply high current-carrying capacity flexible cable, it is characterized in that: comprise three conductor wire cores (8), this conductor wire core (8) comprises circular aramid fiber core (1) further, this circular aramid fiber core (1) outer surface is stranded some first aluminum alloy round conductors (21), and some described first aluminum alloy round conductors (21) form inner conducting layer (2), this inner conducting layer (2) outer surface is stranded some second aluminum alloy round conductors (31), and some described second aluminum alloy round conductors (31) form outer conducting layer (3), one polyethylene insulation band (4) is wrapped in described outer conducting layer (3) outer surface, one fire resistant flame retardant layer (5) is coated on described polyethylene insulation band (4) outer surface, this fire resistant flame retardant layer (5) is made up of mica paper (51), the first glass-fiber-fabric (52) and the second glass-fiber-fabric (53), this mica paper (51) and being bonded by adhesive layer (54) between the first glass-fiber-fabric (52) and the second glass-fiber-fabric (53), one glass tape (6) is wrapped in described fire resistant flame retardant layer (5) outer surface, the coated polyolefin insulation restrictive coating (7) of described glass tape (6) outer surface, one twining package tape (9) is wrapped is overlying on three described conductor wire core (8) outer surfaces, and described twining package tape (9) outer surface is coated with insulating jacket layer (10).
2. communication power supply high current-carrying capacity flexible cable according to claim 1, is characterized in that: described first aluminum alloy round conductor (21) direction of lay is that dextrad is stranded, and described second aluminum alloy round conductor (31) direction of lay is that left-hand is stranded.
3. communication power supply high current-carrying capacity flexible cable according to claim 1, is characterized in that: be filled with some PP gasket for packings (11) between described twining package tape (9) and conductor wire core (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014066.0A CN104616745A (en) | 2015-01-12 | 2015-01-12 | High-carrying-capacity flexible cable for communication power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014066.0A CN104616745A (en) | 2015-01-12 | 2015-01-12 | High-carrying-capacity flexible cable for communication power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104616745A true CN104616745A (en) | 2015-05-13 |
Family
ID=53151160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014066.0A Pending CN104616745A (en) | 2015-01-12 | 2015-01-12 | High-carrying-capacity flexible cable for communication power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104616745A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882193A (en) * | 2015-06-02 | 2015-09-02 | 江苏亨通线缆科技有限公司 | High-strength three-core soft cable for communication power supplies |
| CN104882197A (en) * | 2015-06-02 | 2015-09-02 | 江苏亨通线缆科技有限公司 | Aluminum alloy flexible cable for power supply to communications facilities |
| CN104952523A (en) * | 2015-06-02 | 2015-09-30 | 江苏亨通线缆科技有限公司 | Flame-retardant flexible cable for communication power supply |
| CN106298025A (en) * | 2015-06-02 | 2017-01-04 | 江苏亨通线缆科技有限公司 | High intensity communication power supply is with three core flexible cables |
-
2015
- 2015-01-12 CN CN201510014066.0A patent/CN104616745A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882193A (en) * | 2015-06-02 | 2015-09-02 | 江苏亨通线缆科技有限公司 | High-strength three-core soft cable for communication power supplies |
| CN104882197A (en) * | 2015-06-02 | 2015-09-02 | 江苏亨通线缆科技有限公司 | Aluminum alloy flexible cable for power supply to communications facilities |
| CN104952523A (en) * | 2015-06-02 | 2015-09-30 | 江苏亨通线缆科技有限公司 | Flame-retardant flexible cable for communication power supply |
| CN106298025A (en) * | 2015-06-02 | 2017-01-04 | 江苏亨通线缆科技有限公司 | High intensity communication power supply is with three core flexible cables |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150513 |
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| RJ01 | Rejection of invention patent application after publication |