CN103426508A - Copper-alloy shielding cable - Google Patents
Copper-alloy shielding cable Download PDFInfo
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- CN103426508A CN103426508A CN2013102779824A CN201310277982A CN103426508A CN 103426508 A CN103426508 A CN 103426508A CN 2013102779824 A CN2013102779824 A CN 2013102779824A CN 201310277982 A CN201310277982 A CN 201310277982A CN 103426508 A CN103426508 A CN 103426508A
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- Prior art keywords
- copper alloy
- bi2te3
- conductor
- deck
- layer
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 229910002899 Bi2Te3 Inorganic materials 0.000 claims abstract description 21
- 239000004698 Polyethylene Substances 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 16
- 229920000573 polyethylene Polymers 0.000 claims abstract description 16
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 12
- 239000010439 graphite Substances 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 21
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 7
- 239000010409 thin film Substances 0.000 abstract 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract 2
- 238000000034 method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
The invention discloses a copper-alloy shielding cable which is a copper alloy wire. Copper alloy is composed of 0.3-0.6% of Al, 0.01-0.02% of Re, 0.2-0.6% of Cr and the rest Cu and unavoidable impurities, a nano Bi2Te4 thin film is covered on the surface of a conductor, a polyacrylonitrile shielding layer is coated on the surface of the nano Bi2Te3 thin film, a graphite layer is filled between a polyethylene insulating layer and a perfluoroethylene insulating layer which are coated outside the polyacrylonitrile shielding layer, and a silicon rubber protecting layer is extruded outside the perfluoroethylene insulating layer. The surface of the copper alloy conductor is subjected to deoxidation polishing, so that air gaps on the surface of the conductor ar reduced; the nano Bi2Te3 thin film and the polyacrylonitrile shielding layer are added, so that contacting among the layers is closer, and shielding performance is substantially improved.
Description
Technical field
The present invention relates to technical field of electric wires and cables, relate in particular to an Albatra metal-shielded type cable.
Background technology
In prior art, the conductor of cable is generally metal wire rod, or by the stranded wire harness formed of wire.Cable conductor forms by multiple conducting wires is stranded, easily forms air gap between it and insulating barrier, adds conductive surface rough, can cause electric field to concentrate, and therefore can affect the transmission of cable signal.A lot of middle shielding means are arranged in prior art, are the fiber gauze screen of or tin silver-plated at periphery coating one deck of conductor basically, and its shield effectiveness is limited.Therefore, the shielding properties that how to improve cable is those skilled in the art's urgent problems.
Summary of the invention
In order to solve the problems of above-mentioned existence, the present invention aims to provide an Albatra metal-shielded type cable, and this copper alloy shielded type cable has good shielding properties.
The invention provides an Albatra metal-shielded type cable, comprise conductor, described conductor is copper alloy wire, the composition of described copper alloy is by mass percentage, Al0.3-0.6%, Re0.01-0.02%, Cr0.2-0.6%, all the other are Cu and inevitable impurity, and deoxidation and polishing will be passed through in described copper alloy wire surface; Surface coverage one deck nanometer Bi2Te3 film of described conductor, and the thickness of described nanometer Bi2Te3 film is 0.1-0.4mm, the surface of described nanometer Bi2Te3 film coats one deck polyacrylonitrile screen, and the outside of described polyacrylonitrile screen coats the layer of polyethylene insulating barrier; The outside of described polyethylene layer coats one deck polyfluorinated ethylene insulating barrier, fills one deck graphite linings between described polyethylene layer and polyfluorinated ethylene insulating barrier, and the outside of described polyfluorinated ethylene insulating barrier extrudes one deck silicon rubber overcoat.
Further, described conductor composition is preferably Al0.3-0.5%, Re0.01-0.02%, Cr0.2-0.5%.
Further, the thickness of described nanometer Bi2Te3 film is preferably 0.25mm.
Further, the thickness of described graphite linings is 0.2-0.8mm.
The invention provides an Albatra metal-shielded type cable, comprise conductor, described conductor is copper alloy wire, the composition of described copper alloy is by mass percentage, Al0.3-0.6%, Re0.01-0.02%, Cr0.2-0.6%, all the other are Cu and inevitable impurity, and deoxidation and polishing will be passed through in described copper alloy wire surface; Surface coverage one deck nanometer Bi2Te3 film of described conductor, and the thickness of described nanometer Bi2Te3 film is 0.1-0.4mm, the surface of described nanometer Bi2Te3 film coats one deck polyacrylonitrile screen, and the outside of described polyacrylonitrile screen coats the layer of polyethylene insulating barrier; The outside of described polyethylene layer coats one deck polyfluorinated ethylene insulating barrier, fills one deck graphite linings between described polyethylene layer and polyfluorinated ethylene insulating barrier, and the outside of described polyfluorinated ethylene insulating barrier extrudes one deck silicon rubber overcoat.
Based on disclosing of technique scheme, at first, the copper alloy conductor surface, through the deoxidation polishing, has reduced the air gap of conductive surface; In addition, the interpolation of nanometer Bi2Te3 film and polyacrylonitrile screen, make the contact between each layer more tight, and shielding properties increases substantially; In addition, graphite linings arranges the further shielding properties that promotes cable.
The accompanying drawing explanation
The cross section structure schematic diagram that Fig. 1 is an Albatra metal-shielded type cable in the present invention.
Embodiment
Embodiment mono-
As shown in Figure 1, the embodiment of the present invention one provides an Albatra metal-shielded type cable, comprise conductor 1, described conductor 1 is copper alloy wire, and the composition of described copper alloy is by mass percentage, Al0.6%, Re0.02%, Cr0.6%, all the other are Cu and inevitable impurity, deoxidation and polishing will be passed through in described copper alloy wire surface; Surface coverage one deck nanometer Bi2Te3 film 2 of described conductor 1, and the thickness of described nanometer Bi2Te3 film 2 is 0.4mm, the surface of described nanometer Bi2Te3 film 2 coats one deck polyacrylonitrile screen 3, and the outside of described polyacrylonitrile screen 3 coats layer of polyethylene insulating barrier 4; The outside of described polyethylene layer 4 coats one deck polyfluorinated ethylene insulating barrier 5, fill one deck graphite linings 6 between described polyethylene layer 4 and polyfluorinated ethylene insulating barrier 5, the thickness of described graphite linings 6 is 0.8mm, and the outside of described polyfluorinated ethylene insulating barrier 5 extrudes one deck silicon rubber overcoat 7.
Embodiment bis-
As shown in Figure 1, the embodiment of the present invention two provides an Albatra metal-shielded type cable, comprise conductor 1, described conductor 1 is copper alloy wire, and the composition of described copper alloy is by mass percentage, Al0.3%, Re0.01%, Cr0.2%, all the other are Cu and inevitable impurity, deoxidation and polishing will be passed through in described copper alloy wire surface; Surface coverage one deck nanometer Bi2Te3 film 2 of described conductor 1, and the thickness of described nanometer Bi2Te3 film 2 is 0.1mm, the surface of described nanometer Bi2Te3 film 2 coats one deck polyacrylonitrile screen 3, and the outside of described polyacrylonitrile screen 3 coats layer of polyethylene insulating barrier 4; The outside of described polyethylene layer 4 coats one deck polyfluorinated ethylene insulating barrier 5, fill one deck graphite linings 6 between described polyethylene layer 4 and polyfluorinated ethylene insulating barrier 5, the thickness of described graphite linings 6 is 0.2mm, and the outside of described polyfluorinated ethylene insulating barrier 5 extrudes one deck silicon rubber overcoat 7.
In embodiments of the present invention, at first, the copper alloy conductor surface, through the deoxidation polishing, has reduced the air gap of conductive surface; In addition, the interpolation of nanometer Bi2Te3 film and polyacrylonitrile screen, make the contact between each layer more tight, and shielding properties increases substantially; In addition, graphite linings arranges the further shielding properties that promotes cable.
Top embodiment has just carried out exemplary description to the present invention; obvious realization of the present invention is not subject to the restrictions described above; as long as adopted the method design of invention and the various improvement that technical scheme is carried out; or without improving, the design of invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (4)
1. an Albatra metal-shielded type cable, comprise conductor, it is characterized in that, described conductor is copper alloy wire, and the composition of described copper alloy is by mass percentage, Al0.3-0.6%, Re0.01-0.02%, Cr0.2-0.6%, all the other are Cu and inevitable impurity, deoxidation and polishing will be passed through in described copper alloy wire surface; Surface coverage one deck nanometer Bi2Te3 film of described conductor, and the thickness of described nanometer Bi2Te3 film is 0.1-0.4mm, the surface of described nanometer Bi2Te3 film coats one deck polyacrylonitrile screen, and the outside of described polyacrylonitrile screen coats the layer of polyethylene insulating barrier; The outside of described polyethylene layer coats one deck polyfluorinated ethylene insulating barrier, fills one deck graphite linings between described polyethylene layer and polyfluorinated ethylene insulating barrier, and the outside of described polyfluorinated ethylene insulating barrier extrudes one deck silicon rubber overcoat.
2. copper alloy shielded type cable according to claim 1, is characterized in that, described conductor composition is preferably Al0.3-0.5%, Re0.01-0.02%, Cr0.2-0.5%.
3. copper alloy shielded type cable according to claim 2, is characterized in that, the thickness of described nanometer Bi2Te3 film is preferably 0.25mm.
4. copper alloy shielded type cable according to claim 3, is characterized in that, the thickness of described graphite linings is 0.2-0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102779824A CN103426508A (en) | 2013-07-03 | 2013-07-03 | Copper-alloy shielding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102779824A CN103426508A (en) | 2013-07-03 | 2013-07-03 | Copper-alloy shielding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103426508A true CN103426508A (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102779824A Pending CN103426508A (en) | 2013-07-03 | 2013-07-03 | Copper-alloy shielding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103426508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702316A (en) * | 2016-02-03 | 2016-06-22 | 安徽南洋电缆有限公司 | Titanium alloy high performance electric cable |
-
2013
- 2013-07-03 CN CN2013102779824A patent/CN103426508A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702316A (en) * | 2016-02-03 | 2016-06-22 | 安徽南洋电缆有限公司 | Titanium alloy high performance electric cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |