CN101335119A - Copper coated aluminum uni-core flame-retardant flexible electric cable and manufacturing method thereof - Google Patents
Copper coated aluminum uni-core flame-retardant flexible electric cable and manufacturing method thereof Download PDFInfo
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- CN101335119A CN101335119A CNA2008101353170A CN200810135317A CN101335119A CN 101335119 A CN101335119 A CN 101335119A CN A2008101353170 A CNA2008101353170 A CN A2008101353170A CN 200810135317 A CN200810135317 A CN 200810135317A CN 101335119 A CN101335119 A CN 101335119A
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- copper
- core
- wire core
- conductor
- flame
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 72
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000010949 copper Substances 0.000 title claims abstract description 56
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 56
- 239000003063 flame retardant Substances 0.000 title claims abstract description 51
- 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 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 87
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 238000000137 annealing Methods 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 238000005491 wire drawing Methods 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 241000108463 Hygrophila <snail> Species 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract 2
- 238000012545 processing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses a copper-clad aluminum single-core flame retardant flexible cable and a manufacturing method thereof. The manufacturing method comprises the steps that: a copper-clad aluminum conductor is made into a single conductive wire core; an isolation layer is formed on the single conductive wire core; flame retardant plastic is extruded on the isolation layer so as to from a flame retardant insulation layer, wherein, the step that the copper-clad aluminum conductor is made into the single conductive wire core comprises the steps that: a wire-drawing machine is utilized to draw the copper-clad aluminum conductor into a single conductive filament; an annealer is utilized to carry out an annealing process to the single conductive filament; a wire-bunching machine is utilized to bunch a plurality of annealed single conductive filaments into braided wires; a wire twisting machine is utilized to twist a plurality of braided wires into the conductive wire core. The cable of the invention has the advantages of low copper consumption, light weight and low cost. As a single filament structure with multiple filaments and small diameter and a multi-strand twisting technology are adopted, the cable is particularly flexible and can be bended randomly.
Description
Technical field
The invention belongs to technical field of electric wires and cables, be specifically related to a kind of copper coated aluminum uni-core flame-retardant flexible electric cable and manufacture method thereof.
Background technology
Notion for copper cover aluminum, electric wire production firm is not strange, that is exactly the aluminium that the structure that will constitute each conductive monofilament of conductor wire core is processed into outer field copper and internal layer, can save the copper that belongs to strategic resource in large quantities like this, can make the maximum function of copper performance again.For example being no lack of before in the Chinese patent literature at document has report, for example: Chinese patent Granted publication CN2881898 introduce the copper cover aluminum city communication cable, the disclosed copper cover aluminum communication cable of CN2881899, the copper clad aluminum conductor communication cable that CN200979818Y recommends, the copper clad aluminum conductor that CN101060024A is public all or the electric wire of copper covered steel conductor, the bimetallic conductor monitoring type earth cable that CN2829026Y discloses, a kind of high strength copper-coated aluminum electric wire/cable that CN2906844Y discloses, also just like CN1758384Y, CN201004349Y, CN2919466Y, CN101086906Y, CN200986831Y, CN2348466Y, CN2904222Y, CN200976298Y, CN200969249Y, CN2891231Y, CN2879357Y or the like has all related to aluminium conductor has been coated copper clad outward, and purpose all is in order to save the copper resource.
Yet, because the aluminium pulling force is little, intensity is low, or copper cladding aluminum conductor that copper consumption little little for diameter, the easily broken and difficulty of processing of its copper cladding aluminum conductor enlarges markedly, even can't process at all.And if dilated diameter or increase copper consumption then can make cable harden, be unfavorable for laying.
Summary of the invention
Task of the present invention be to provide a kind of flexibility excellent and help laying, handling ease and copper coated aluminum uni-core flame-retardant flexible electric cable and manufacture method thereof safe in utilization.
According to a first aspect of the invention, provide a kind of manufacture method of copper coated aluminum uni-core flame-retardant flexible electric cable, may further comprise the steps:
Copper-clad aluminum conductor is made single conductor wire core; And
Flame retardant plastics is extruded on the single conductor wire core, to form flame retardant insulation.
According to a second aspect of the invention, provide a kind of manufacture method of copper coated aluminum uni-core flame-retardant flexible electric cable, may further comprise the steps:
Copper-clad aluminum conductor is made single conductor wire core;
On single conductor wire core, form separator; And
Flame retardant plastics is extruded on the described separator to form flame retardant insulation.
In above-mentioned manufacture method, the described step that copper-clad aluminum conductor is made single conductor wire core comprises:
Utilize wire drawing machine that copper-clad aluminum conductor is drawn into single conductive monofilament;
Utilize the annealing machine that described single conductive monofilament is carried out annealing in process;
Utilize the synnema machine with several conductive monofilament Shu Hecheng strands of having annealed;
Utilize stranding machine that several described strands are twisted into conductor wire core.
Wherein, the drawing angle of wire drawing machine is preferably elected 12 °～14 ° as.
Wherein, the annealing temperature in the described annealing in process preferably is controlled at 540 ± 10 ℃.
According to a third aspect of the invention we, provide a kind of copper coated aluminum uni-core flame-retardant flexible electric cable, comprise conductor wire core and the flame retardant insulation that is extruded on the conductor wire core outer surface, wherein:
Conductor wire core constitutes by the multiply conductive monofilament is stranded;
Every conductive monofilament is made of the aluminium conductor copper clad outer with being coated on aluminium conductor.
According to a forth aspect of the invention, provide a kind of copper coated aluminum uni-core flame-retardant flexible electric cable, comprise conductor wire core, wrap up in the separator that wraps in described conductor wire core outer surface and be extruded in flame retardant insulation on the separator outer surface, wherein:
Conductor wire core constitutes by the multiply conductive monofilament is stranded;
Every conductive monofilament is made of the aluminium conductor copper clad outer with being coated on aluminium conductor.
In above-mentioned copper coated aluminum uni-core flame-retardant flexible electric cable, the diameter of described conductive monofilament is 0.2～1.2mm; The diameter of described aluminium conductor is 0.18439～1.1063mm; The thickness of described copper clad is 0.007805～0.04685mm.
Wherein, the sectional area of described conductor wire core is 1.5～500mm
2
Wherein, the material of described flame retardant insulation is flame-proof polyvinyl chloride or low-smoke halogen-free polyolefin.
Technique effect of the present invention is, and is few, in light weight with copper, cost is low.Because adopt the monofilament structure of many radicals, minor diameter, and strands technology, the cable particularly soft can be done any bending.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the schematic diagram that shows copper coated aluminum uni-core flame-retardant flexible electric cable structure of the present invention;
Fig. 2 is the schematic diagram that shows copper cover aluminum monofilament structure of the present invention.
Embodiment
In one embodiment of the invention, the manufacture process of copper coated aluminum uni-core flame-retardant flexible electric cable comprises: the step of copper-clad aluminum conductor being made single conductor wire core 1; And flame retardant plastics is extruded on the described single conductor wire core 1, form the insulation processing step of flame retardant insulation 2.
In another embodiment of the present invention, the manufacture process of copper coated aluminum uni-core flame-retardant flexible electric cable of the present invention comprises: the step of copper-clad aluminum conductor being made single conductor wire core 1; On single conductor wire core, form the step of separator 3; And flame retardant plastics is extruded on the described separator 3, form the insulation processing step of flame retardant insulation 2.
Wherein, the step that forms separator 3 can be: at the described single conductor wire core 1 outer surface nonwoven fabrics that is wrapped.
The step that copper-clad aluminum conductor is made single conductor wire core 1 of the present invention comprises: utilize wire drawing machine that copper-clad aluminum conductor is drawn into single conductive monofilament 11; Utilize the annealing machine that described single conductive monofilament 11 is carried out annealing in process; Utilize the synnema machine with several conductive monofilament Shu Hecheng strands of having annealed; Utilize stranding machine that several described strands are twisted into conductor wire core 1.
The present invention also can save above-mentioned step with conductive monofilament Shu Hecheng strand, the step of making single conductor wire core 1 is improved to: utilize wire drawing machine that copper-clad aluminum conductor is drawn into single conductive monofilament 11; Utilize the annealing machine that described single conductive monofilament 11 is carried out annealing in process; Utilize stranding machine that many conductive monofilaments of having annealed are twisted into conductor wire core 1 then.
It is one of characteristics of the present invention that several strands of conductive monofilaments 11 are twisted together formation conductor wire core 1, and this will make the cable particularly soft, can do any bending.
Copper-clad aluminum conductor is being drawn in the process of single conductive monofilament 11, it draws angle should elect 12 °～14 ° as, to guarantee to draw the conductive monofilament success.
Because monofilament is crystal displacement hardening after drawing, so the recovery of must annealing, the key of annealing in process is the control of annealing temperature, and the annealing temperature of fine copper is about 650 ℃, and annealing temperature of the present invention should be controlled at 540 ± 10 ℃.
In the processing procedure of Shu Hecheng strand, many conductive monofilaments of having annealed can be restrainted by certain pitch and close, and pitch is not more than 14 times of bundle back strand external diameter; Monofilament can weld but the intensity of weld is not less than 85% of initial value.
In that described strand is twisted in the process of conductor wire core 1 several, described several strands can be undertaken stranded by certain pitch.
The principle of cable-flame retardant of the present invention is: have fire retardant in the insulation of employing, the sheath material, the effect of fire retardant mainly is when fire takes place, can play cable and outside air isolates, prolong cable by the burning time, stop the extension of flame effectively, when cable leaves naked light, cable flame in 5 seconds puts out in vain.
Insulation of the present invention, sheath material all are fire-retardant or fire-resistant polyolefin plastics of low smoke and zero halogen (nontoxic).
Fig. 1 has shown copper coated aluminum uni-core flame-retardant flexible electric cable structure of the present invention; Fig. 2 has shown copper cover aluminum monofilament 11 structures of the present invention.
As depicted in figs. 1 and 2, copper coated aluminum uni-core flame-retardant flexible electric cable of the present invention comprises conductor wire core 1, wrap up in the separator 3 that wraps in described conductor wire core 1 outer surface and be extruded in flame retardant insulation 2 on separator 3 outer surfaces, and wherein: conductor wire core 1 constitutes by multiply conductive monofilament 11 is stranded; Every conductive monofilament 11 is made of aluminium conductor 111 and the copper clad 112 that are coated on outside the aluminium conductor 111.
Wherein, per share conductive monofilament 11 comprises that bundle lumps together the many conductive monofilaments 11 that constitute strand.
As selection, copper coated aluminum uni-core flame-retardant flexible electric cable of the present invention can comprise conductor wire core 1 and be extruded in flame retardant insulation 2 on conductor wire core 1 outer surface, and wherein: conductor wire core 1 constitutes by multiply conductive monofilament 11 is stranded; Every conductive monofilament 11 is made of aluminium conductor 111 and the copper clad 112 that are coated on outside the aluminium conductor 111.That is to say that copper coated aluminum uni-core flame-retardant flexible electric cable of the present invention can save separator 3.
Every conductive monofilament 11 of the present invention is made of aluminium conductor 111 and the copper clad 112 that are coated on outside the aluminium conductor 111, the diameter of conductive monofilament 11 is 0.2～1.2mm, wherein: the diameter of aluminium conductor 111 is 0.18439～1.10635mm, and the thickness of copper clad 112 is 0.007805～0.04685mm, the cross section that is to say copper clad 112 accounts for 15 ± 2% of whole conductive monofilament 11, and all the other are the cross section of aluminium conductor 111.
The advantage of cable of the present invention is: few, in light weight with copper, cost is low. Owing to adopt many radicals, little The monofilament structure of diameter, and strands technology, the cable particularly soft can be done any bending.
Although above the present invention is had been described in detail, the invention is not restricted to this, the present technique neck The field technique personnel can carry out various modifications according to principle of the present invention. Therefore, all former according to the present invention The modification that reason is done all should be understood to fall into protection scope of the present invention.
Claims (10)
1, a kind of manufacture method of copper coated aluminum uni-core flame-retardant flexible electric cable may further comprise the steps:
Copper-clad aluminum conductor is made single conductor wire core (1); And
Flame retardant plastics is extruded on the described single conductor wire core (1), to form flame retardant insulation (2).
2, a kind of manufacture method of copper coated aluminum uni-core flame-retardant flexible electric cable may further comprise the steps:
Copper-clad aluminum conductor is made single conductor wire core (1);
On single conductor wire core, form separator (3); And
Flame retardant plastics is extruded in described separator (3) to be gone up to form flame retardant insulation (2).
3, method according to claim 1 and 2, the wherein said step that copper-clad aluminum conductor is made single conductor wire core (1) comprises:
Utilize wire drawing machine that copper-clad aluminum conductor is drawn into single conductive monofilament (11);
Utilize the annealing machine that described single conductive monofilament (11) is carried out annealing in process;
Utilize the synnema machine with several conductive monofilament Shu Hecheng strands of having annealed;
Utilize stranding machine that several described strands are twisted into conductor wire core (1).
4, method according to claim 3, wherein the drawing angle of wire drawing machine is 12 °～14 °.
5, method according to claim 3, wherein in described annealing in process, annealing temperature is controlled at 540 ± 10 ℃.
6, a kind of copper coated aluminum uni-core flame-retardant flexible electric cable of making according to claim 1,3,4 and 5 each described methods comprises conductor wire core (1) and is extruded in flame retardant insulation (2) on described conductor wire core (1) outer surface; Wherein:
Conductor wire core (1) is by the stranded formation of multiply conductive monofilament (11);
Every conductive monofilament (11) is by aluminium conductor (111) and be coated on outer copper clad (112) formation of aluminium conductor (111).
7, a kind of copper coated aluminum uni-core flame-retardant flexible electric cable of making according to claim 2,3,4 and 5 each described methods comprises conductor wire core (1), wraps up in the separator (3) that wraps in described conductor wire core (1) outer surface and is extruded in flame retardant insulation (2) on separator (3) outer surface; Wherein:
Conductor wire core (1) is by the stranded formation of multiply conductive monofilament (11);
Every conductive monofilament (11) is by aluminium conductor (111) and be coated on outer copper clad (112) formation of aluminium conductor (111).
8, according to claim 6 or 7 described copper coated aluminum uni-core flame-retardant flexible electric cables, the diameter of wherein said conductive monofilament (11) is 0.2～1.2mm; The diameter of described aluminium conductor (111) is 0.18439～1.1063mm; The thickness of described copper clad (112) is 0.007805～0.04685mm.
9, according to claim 6 or 7 described copper coated aluminum uni-core flame-retardant flexible electric cables, the sectional area of wherein said conductor wire core (1) is 1.5～500mm
2
10, according to claim 6 or 7 described copper coated aluminum uni-core flame-retardant flexible electric cables, the material of wherein said flame retardant insulation (2) is flame-proof polyvinyl chloride or low-smoke halogen-free polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101353170A CN101335119B (en) | 2008-07-30 | 2008-07-30 | Copper coated aluminum uni-core flame-retardant flexible electric cable manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101353170A CN101335119B (en) | 2008-07-30 | 2008-07-30 | Copper coated aluminum uni-core flame-retardant flexible electric cable manufacturing method |
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|---|---|
| CN101335119A true CN101335119A (en) | 2008-12-31 |
| CN101335119B CN101335119B (en) | 2010-12-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871655A (en) * | 2014-03-26 | 2014-06-18 | 中利科技集团股份有限公司 | Aluminum core inflaming retarding flexible cable for communication power source |
| CN110828028A (en) * | 2019-11-28 | 2020-02-21 | 中天科技装备电缆有限公司 | Grounding flexible cable and processing technology and centering system thereof |
-
2008
- 2008-07-30 CN CN2008101353170A patent/CN101335119B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871655A (en) * | 2014-03-26 | 2014-06-18 | 中利科技集团股份有限公司 | Aluminum core inflaming retarding flexible cable for communication power source |
| CN110828028A (en) * | 2019-11-28 | 2020-02-21 | 中天科技装备电缆有限公司 | Grounding flexible cable and processing technology and centering system thereof |
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| Publication number | Publication date |
|---|---|
| CN101335119B (en) | 2010-12-08 |
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Address after: 215542 Changshu Southeast Economic Development Zone, Jiangsu Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Address before: 215542 Changshu Southeast Economic Development Zone, Jiangsu Patentee before: ZHONGLI SCI-TECH GROUP Co.,Ltd. |
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Effective date of registration: 20220209 Address after: 215500 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee after: CHANGZHOU MARINE CABLE Co.,Ltd. Patentee after: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Patentee after: GUANGDONG ZHONGDE CABLE Co.,Ltd. Address before: 215542 Southeast Economic Development Zone, Jiangsu, Changshu Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee before: JIANGSU FAVOUR AUTOMOTIVE NEW STUFF SCI-TECH Co.,Ltd. Patentee before: CHANGZHOU MARINE CABLE Co.,Ltd. Patentee before: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Patentee before: GUANGDONG ZHONGDE CABLE Co.,Ltd. |
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Effective date of registration: 20221117 Address after: 215500 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee after: CHANGZHOU MARINE CABLE Co.,Ltd. Patentee after: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Address before: 215500 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee before: CHANGZHOU MARINE CABLE Co.,Ltd. Patentee before: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Patentee before: GUANGDONG ZHONGDE CABLE Co.,Ltd. |
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