CN105810315A - Silver-plated copper conductor three-layer insulation stranded wire - Google Patents
Silver-plated copper conductor three-layer insulation stranded wire Download PDFInfo
- Publication number
- CN105810315A CN105810315A CN201410857333.6A CN201410857333A CN105810315A CN 105810315 A CN105810315 A CN 105810315A CN 201410857333 A CN201410857333 A CN 201410857333A CN 105810315 A CN105810315 A CN 105810315A
- Authority
- CN
- China
- Prior art keywords
- silver
- copper conductor
- wire
- layer
- insulating barrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention relates to a silver-plated copper conductor three-layer insulation stranded wire comprising a plurality of copper conductor stranded wires and an insulation layer wrapped around the outer sides of the stranded wires, wherein the copper conductor stranded wires are oxygen-free annealed copper wires of which the surfaces are plated with silver layers, the insulation layer consists of two polyester insulation layers and one polyamide resin insulation layer, and the resin insulation layer is arranged between the two polyester insulation layers. Compared with technologies of the prior art, the silver-plated copper conductor three-layer insulation stranded wire is strong in electric conductivity, sectional area can be reduced in an equivalent way, and therefore the silver-plated copper conductor three-layer insulation stranded wire is enabled to be small in external diameter and weight, and high in space-saving performance; the silver-plated copper conductor three-layer insulation stranded wire is high in high-temperature resistance property, cracking resistance performance, high-voltage withstanding performance and solvent resistance performance; the silver-plated copper conductor three-layer insulation stranded wire is resistant to corrosion caused by acid, alkali, oil and impregnating varnish and is high in reliability.
Description
Technical field
The present invention relates to a kind of cable, especially relate to a kind of three-layer insulated twisted wire of silver-plated copper conductor.
Background technology
It is presently used in the electric wire that electric device connects, by copper conductor twisted wire, insulation polrvinyl chloride, crosslinked polyethylene, and extrudes with interior external shield simultaneously.Tradition electric wire external diameter is big；Copper cash is oxidizable, causes by electric current unstable；Temperature resistant grade low (70 DEG C, 90 DEG C), proof voltage are low；Electric device miniaturization, heatproof, pressure requirement cannot be met.
Chinese patent CN103426518A discloses three-layer insulated stranded wire, including many copper conductors, two layers polyester insulating barrier and polyamide insulating barrier, copper conductor constitutes the inner core of insulation strands, two layers polyester insulating barrier extrudes successively outside inner core, and polyamide insulating barrier extrudes outside two layers polyester insulating barrier.But this patent directly adopts copper conductor as inner core, surface resistivity is relatively big, and lower required sectional area of wire is relatively big to cause same resistance to require, causes diameter of wire excessive, and overall volume causes more greatly using inconvenience.Additionally insulating barrier adopts polyamide, and it is more weak with polyester resin adhesive force, causes electrical insulation capability, and resistance to gentle decay resistance is relatively poor.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and the three-layer insulated twisted wire of silver-plated copper conductor that a kind of mechanical performance, decay resistance are better, weight is relatively low is provided.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of three-layer insulated twisted wire of silver-plated copper conductor, including many silver-plated copper conductor strand, and is wrapped in the insulating barrier outside twisted wire,
Described copper conductor twisted wire is the anaerobic annealed copper wire that plated surface is provided with silver layer,
Described insulating barrier is made up of two layers polyester insulating barrier and a strata aromatic ester resin insulating barrier, and described polyarylate resin insulating barrier is arranged between two layers polyester insulating barrier.
Described anaerobic annealed copper wire is that anaerobic annealed copper wire base draws the copper conductor obtained.
The diameter of described anaerobic annealed copper wire is 0.01mm-3mm.
Preferably, the diameter of anaerobic annealed copper wire is 0.1-1.5mm.
Described silver thickness is 0.001mm～0.005mm.
The material of described polyester insulated layer is to one or more in polyethylene terephthalate, poly terephthalic acid-1,4 cyclohexane dimethanol ester, polybutylene terephthalate (PBT), poly-2,6-(ethylene naphthalate) or PTT.
The material of described polyarylate resin insulating barrier is p-phthalic acid, M-phthalic acid, P-hydroxybenzoic acid, the copolymerization of one or more compositions in 2-hydroxyl-6-naphthoic acid or 4-4 '-binaphthyl dicarboxylic acid or blend.
Compared with prior art, the invention have the advantages that
1. present invention employs silver-plated copper conductor, its sheet resistance is little compared with copper conductor surface resistivity, so that same resistance requires that lower required sectional area of wire is less, thus reducing wire diameter, reduces the volume of high-frequency electronic transformer.
2. outer layer of the present invention uses polyarylate resin, and relatively polyamide is compared, and it is higher with the polyester resin adhesive force of internal layer, and electrical insulation capability is higher, and temperature tolerance is higher, and corrosion resistance is better, it is adaptable to the interfacial friction requirement under high-speed winding machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention in embodiment 1.
In figure, 1-copper conductor twisted wire, the polyester insulated layer of 2-, 3-polyarylate resin insulating barrier.
Detailed description of the invention
A kind of three-layer insulated twisted wire of silver-plated copper conductor, including many silver-plated copper conductor strand, and it is wrapped in the insulating barrier outside twisted wire, copper conductor twisted wire is the anaerobic annealed copper wire that plated surface is provided with silver layer, insulating barrier is made up of two layers polyester insulating barrier and a strata aromatic ester resin insulating barrier, and described polyarylate resin insulating barrier is arranged between two layers polyester insulating barrier.Anaerobic annealed copper wire is that anaerobic annealed copper wire base draws the copper conductor obtained.The diameter of anaerobic annealed copper wire is 0.01mm-3mm.More preferably, the diameter of anaerobic annealed copper wire is 0.1-1.5mm.Silver thickness is 0.001mm～0.005mm, plates, by the mode electroplated, the surface being located at anaerobic annealed copper wire.The material of polyester insulated layer is to one or more in polyethylene terephthalate, poly terephthalic acid-1,4 cyclohexane dimethanol ester, polybutylene terephthalate (PBT), poly-2,6-(ethylene naphthalate) or PTT.The material of polyarylate resin insulating barrier is p-phthalic acid, M-phthalic acid, P-hydroxybenzoic acid, the copolymerization of one or more compositions in 2-hydroxyl-6-naphthoic acid or 4-4 '-binaphthyl dicarboxylic acid or blend.
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
A kind of three-layer insulated twisted wire of silver-plated copper conductor, its structure is as shown in Figure 1, including many copper conductor twisted wires 1, and it is wrapped in the insulating barrier outside twisted wire, wherein, the copper conductor twisted wire 1 of use is provided with the anaerobic annealed copper wire of silver layer for plated surface, anaerobic annealed copper wire base draw and obtain, diameter is 0.01mm, and the silver thickness set at copper conductor twisted wire 1 plated surface is as 0.001mm.Insulating barrier is made up of two layers polyester insulating barrier 2 and a strata aromatic ester resin insulating barrier 3, and wherein, the material that polyester insulated layer adopts is to polyethylene terephthalate, and polyarylate resin insulating barrier is p-phthalic acid, the copolymer of M-phthalic acid.The wire prepared by the present embodiment and common pure anaerobic annealed copper wire compare, and its outer insulation diameter and voltage endurance capability are as follows:
| Project | Silver-plated copper conductor | Pure anaerobic annealed copper wire |
| Single conductor wire diameter mm | 0.01 | 0.01 |
| Sectional area mm2 | 5.5*10-4 | 5.5*10-4 |
| Silver thickness | 0.001 | / |
| Outer insulation diameter mm | 0.183 | 0.230 |
| Pressure kV/min | 7.2 | 6.0 |
Embodiment 2
A kind of three-layer insulated twisted wire of silver-plated copper conductor, including many copper conductor twisted wires, and it is wrapped in the insulating barrier outside twisted wire, wherein, the copper conductor twisted wire used is the anaerobic annealed copper wire that plated surface is provided with silver layer, being drawn by anaerobic annealed copper wire base and obtain, diameter is 0.1mm, and the silver thickness set at copper conductor twisted wire plated surface is as 0.003mm.Insulating barrier is made up of two layers polyester insulating barrier and a strata aromatic ester resin insulating barrier, and wherein, the material that polyester insulated layer adopts is poly terephthalic acid-1,4-CHDM ester, and the material of polyarylate resin insulating barrier is P-hydroxybenzoic acid copolymer.The wire prepared by the present embodiment and common pure anaerobic annealed copper wire compare, and its outer insulation diameter and voltage endurance capability are as follows:
| Project | Silver-plated copper conductor | Pure anaerobic annealed copper wire |
| Single conductor wire diameter mm | 0.1 | 0.1 |
| Sectional area mm2 | 5.5*10-2 | 5.5*10-2 |
| Silver thickness | 0.003 | / |
| Outer insulation diameter mm | 0.460 | 0.520 |
| Pressure kv/min | 7.2 | 6.0 |
It can be seen that both outer insulation diameter difference 0.06mm, voltage endurance capability difference 0.8kV.
Embodiment 3
A kind of three-layer insulated twisted wire of silver-plated copper conductor, including many copper conductor twisted wires, and it is wrapped in the insulating barrier outside twisted wire, wherein, the copper conductor twisted wire used is the anaerobic annealed copper wire that plated surface is provided with silver layer, being drawn by anaerobic annealed copper wire base and obtain, diameter is 1.5mm, and the silver thickness set at copper conductor twisted wire plated surface is as 0.005mm.Insulating barrier is made up of two layers polyester insulating barrier and a strata amide resin insulating barrier, wherein, the material that polyester insulated layer adopts is polybutylene terephthalate (PBT) and poly-2, the mixture of 6-(ethylene naphthalate), the material of polyarylate resin insulating barrier is composition blend in 2-hydroxyl-6-naphthoic acid, 4-4 '-binaphthyl dicarboxylic acid.The wire prepared by the present embodiment and common pure anaerobic annealed copper wire compare, and its outer insulation diameter and voltage endurance capability are as follows:
| Project | Silver-plated copper conductor | Pure anaerobic annealed copper wire |
| Single conductor wire diameter mm | 1.5 | 1.5 |
| Sectional area mm2 | 12.36 | 12.36 |
| Silver thickness | 0.005 | / |
| Outer insulation diameter mm | 4.96 | 5.46 |
| Pressure kv/min | 6.5 | 5.4 |
Embodiment 4
A kind of three-layer insulated twisted wire of silver-plated copper conductor, including many copper conductor twisted wires, and it is wrapped in the insulating barrier outside twisted wire, wherein, the copper conductor twisted wire used is the anaerobic annealed copper wire that plated surface is provided with silver layer, being drawn by anaerobic annealed copper wire base and obtain, diameter is 3mm, and the silver thickness set at copper conductor twisted wire plated surface is as 0.005mm.Insulating barrier is made up of two layers polyester insulating barrier and a strata aromatic ester resin insulating barrier, and wherein, the material that polyester insulated layer adopts is PTT, and the material of polyarylate resin insulating barrier is p-phthalic acid, the blend of M-phthalic acid composition.The wire prepared by the present embodiment and common pure anaerobic annealed copper wire compare, and its outer insulation diameter and voltage endurance capability are as follows:
| Project | Silver-plated copper conductor | Pure anaerobic annealed copper wire |
| Single conductor wire diameter mm | 3.0 | 3.0 |
| Sectional area mm2 | 49.45 | 49.45 |
| Silver thickness | 0.005 | / |
| Outer insulation diameter mm | 9.59 | 10.66 |
| Pressure kv/min | 5.8 | 4.3 |
In summary it can be seen, although two kinds of conductor materials wire diameter all identical with sectional area, but the difference of the outer insulation diameter along with both, its voltage endurance capability difference is bigger.
Claims (7)
1. the three-layer insulated twisted wire of silver-plated copper conductor, including many copper conductor twisted wires, and is wrapped in the insulating barrier outside twisted wire, it is characterised in that
Described copper conductor twisted wire is the anaerobic annealed copper wire that plated surface is provided with silver layer,
Described insulating barrier is made up of two layers polyester insulating barrier and a strata aromatic ester resin insulating barrier, and described polyarylate resin insulating barrier is arranged between two layers polyester insulating barrier.
2. a kind of three-layer insulated twisted wire of silver-plated copper conductor according to claim 1, it is characterised in that described anaerobic annealed copper wire is that anaerobic annealed copper wire base draws the copper conductor obtained.
3. a kind of three-layer insulated twisted wire of silver-plated copper conductor according to claim 1 and 2, it is characterised in that the diameter of described anaerobic annealed copper wire is 0.01mm-3.0mm.
4. a kind of three-layer insulated twisted wire of silver-plated copper conductor according to claim 3, it is characterised in that the diameter of described anaerobic annealed copper wire is 0.1-3.0mm.
5. a kind of three-layer insulated twisted wire of silver-plated copper conductor according to claim 1, it is characterised in that described silver thickness is 0.001mm～0.005mm.
6. a kind of three-layer insulated twisted wire of silver-plated copper conductor according to claim 1, it is characterized in that, the material of described polyester insulated layer is to polyethylene terephthalate, poly terephthalic acid-1, one or more in 4-cyclohexanedimethanoester ester, polybutylene terephthalate (PBT), polyethylene glycol 2，6-naphthalene dicarboxylate or PTT.
7. a kind of three-layer insulated twisted wire of silver-plated copper conductor according to claim 1, it is characterized in that, the material of described polyarylate resin insulating barrier is p-phthalic acid, M-phthalic acid, P-hydroxybenzoic acid, the copolymerization of one or more compositions in 2-hydroxyl-6-naphthoic acid or 4-4 '-binaphthyl dicarboxylic acid or blend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857333.6A CN105810315A (en) | 2014-12-30 | 2014-12-30 | Silver-plated copper conductor three-layer insulation stranded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857333.6A CN105810315A (en) | 2014-12-30 | 2014-12-30 | Silver-plated copper conductor three-layer insulation stranded wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105810315A true CN105810315A (en) | 2016-07-27 |
Family
ID=56465024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410857333.6A Pending CN105810315A (en) | 2014-12-30 | 2014-12-30 | Silver-plated copper conductor three-layer insulation stranded wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105810315A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208748A (en) * | 2016-09-05 | 2016-12-07 | 深圳市艾特智能科技有限公司 | Switching power circuit |
-
2014
- 2014-12-30 CN CN201410857333.6A patent/CN105810315A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208748A (en) * | 2016-09-05 | 2016-12-07 | 深圳市艾特智能科技有限公司 | Switching power circuit |
| CN106208748B (en) * | 2016-09-05 | 2019-06-21 | 深圳市艾特智能科技有限公司 | Switching power circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101688711B1 (en) | Invertor-surge resistant insulated wire | |
| TW201435928A (en) | Inverter surge-resistant insulated wire and method for producing same | |
| JP7541531B2 (en) | Magnet wire with thermoplastic insulation | |
| CN102280178A (en) | 75kV low-impedance coaxial cable | |
| CN104103350A (en) | Electromagnetic wire, electromagnetic coil and variable-frequency motor provided with electromagnetic coil | |
| CN105810315A (en) | Silver-plated copper conductor three-layer insulation stranded wire | |
| JP2012234625A5 (en) | Insulated wire | |
| CN202495281U (en) | Low skin effect extra-high voltage crosslinked cable | |
| CN211507211U (en) | Coaxial cable special for high-voltage cross interconnection system | |
| KR20110109084A (en) | Rectangular enamel wire and manufacturing method thereof | |
| CN105810308A (en) | Silver-plated copper conductor three-layer insulating wire | |
| JP5521568B2 (en) | Insulated wire | |
| CN201084465Y (en) | A frequency-translation cable | |
| CN202534389U (en) | Multilayer corona-resistant polyimide-fluoride 46 composite thin film sintering line | |
| CN204614517U (en) | High-tension cable is used in electric automobile | |
| JP7537903B2 (en) | Multilayer insulated wire for transformers | |
| KR100996545B1 (en) | Multi-segmental Conductor And Electric Power Cable Having The Same | |
| JP2019114573A (en) | Coil and transformer | |
| CN207867920U (en) | A kind of cable that anti-high pressure is ageing-resistant | |
| JP5445109B2 (en) | Insulated wire | |
| CN109754923A (en) | A kind of insulated wire and preparation method thereof | |
| CN204614513U (en) | High-voltage power cable used for electric vehicle | |
| CN204946564U (en) | A kind of long-life high-performance environment-friendly electric wire | |
| CN204614514U (en) | Power cable is used in electric automobile | |
| CN102024523B (en) | Method for manufacturing cable with three-layer insulated inner core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160727 |
|
| WD01 | Invention patent application deemed withdrawn after publication |