CN105702357A - Electric wire, and shielded electric wire and multi-core cable using electric wire - Google Patents
Electric wire, and shielded electric wire and multi-core cable using electric wire Download PDFInfo
- Publication number
- CN105702357A CN105702357A CN201510926444.2A CN201510926444A CN105702357A CN 105702357 A CN105702357 A CN 105702357A CN 201510926444 A CN201510926444 A CN 201510926444A CN 105702357 A CN105702357 A CN 105702357A
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- Prior art keywords
- electric wire
- insulating barrier
- conductor
- layer
- insulating layer
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
Landscapes
- Insulated Conductors (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Laminated Bodies (AREA)
- Organic Insulating Materials (AREA)
Abstract
The present invention provides an electric wire capable of completely satisfying voltage resistance, mechanical characteristics, wear resistance and fire resistance. An electric wire comprises a conductor 2, a first insulating layer (inner layer) 3 coating the conductor 2, and a second insulating layer (outer layer) 4 coating the first insulating layer 3, the first insulating layer 3 includes polyethylene and adhesive, the second insulating layer 4 includes engineering plastics and fire retardant, and any one of the first insulating layer 3 and the second insulating layer 4 is cross-linked. The present invention also provides a shielded electric wire and a multi-core cable using the electric wire.
Description
Technical field
The present invention relates to electric wire, use shielding wire and the multicore cable of this electric wire。
Background technology
Patent Document 1 discloses the insulated electric conductor of such a anti-flammability, it has multiple insulation-coated layer, and containing Polyphony Ether resin in the internal layer or outer layer of the plurality of insulation-coated layer, and the resistance to outer damage of this insulated electric conductor, excellent in wear resistance and be applicable to automobile。
[prior art literature]
[patent documentation]
[patent documentation 1] JP 2009-301766 publication
Summary of the invention
[problem that invention to solve]
But, the electric wire disclosed in patent documentation 1 fails all to meet proof voltage, mechanical property, mar proof。It is an object of the invention to provide the electric wire of a kind of anti-flammability that can all meet proof voltage, mechanical property, mar proof。
[solving the means of problem]
Electric wire described in one embodiment of the invention is such a electric wire, there is conductor, be coated to the 1st insulating barrier of described conductor and the 2nd insulating barrier of coating described 1st insulating barrier, wherein, described 1st insulating barrier contains polyethylene and binding agent, described 2nd insulating barrier contain engineering plastics and fire retardant, and any one of described 1st insulating barrier and the 2nd insulating barrier is all crosslinking。
Shielding wire described in another embodiment of the invention is the shielding wire with described electric wire and external conductor and the outer quilt around them。Multicore cable described in yet another embodiment of the invention is such a multicore cable, and it has many described electric wires and covers the one screen layer of surrounding of many described electric wires and cover the outer quilt of surrounding of described one screen layer。
[effect of invention]
According to the present invention, it is possible to provide can all meet the electric wire of the anti-flammability of proof voltage, mechanical property, mar proof。
Brief Description Of Drawings
[Fig. 1] is for illustrating the schematic sectional view of the example of the electric wire of the present invention。
[Fig. 2] is for being shown with the schematic sectional view of the example of the shielding wire of the electric wire of the present invention。
[Fig. 3] is for being shown with the schematic sectional view of the example of the multicore cable of the electric wire of the present invention。
Detailed description of the invention
[explanation of the embodiment of the present application]
Electric wire described in one embodiment of the invention is such a electric wire,
(1) there is conductor, be coated to the 1st insulating barrier of described conductor and the electric wire of the 2nd insulating barrier of coating described 1st insulating barrier,
Wherein, described 1st insulating barrier contain polyethylene and binding agent,
Described 2nd insulating barrier contains engineering plastics and fire retardant,
And any one of described 1st insulating barrier and the 2nd insulating barrier is all crosslinking。
In order to meet the requirement of the voltage-resistent characteristic of electric wire, the insulating barrier of coated conductor is set to multilamellar, and uses polyethylene (hereinafter also referred to as PE) in the layer of its conductor side, i.e. inner side。
Additionally, in order to meet the requirement of the mechanical property of electric wire, mar proof, in the layer in the outside of the insulating barrier of multilamellar, use the engineering plastics (hereinafter also referred to as " engineering plastics (エ Application プ ラ) ") of any one the above thermoplastic resin etc. having in amido link, ester bond or amino-formate bond。
But, there is the layer by the inner side containing PE and the electric wire of insulating barrier that the layer in outside containing engineering plastics is constituted creates the problem that mar proof reduces。
Therefore, in the present embodiment, the layer (i.e. the 1st insulating barrier) of the inner side containing PE comprises binding agent by making, it is thus achieved that can all meet the electric wire of the anti-flammability of proof voltage, mechanical property, mar proof。
(2) mass ratio (polyethylene: binding agent) of polyethylene contained by described 1st insulating barrier and binding agent is preferably 4:6～6:4。If this quality is preferred state than scope, mar proof and proof voltage。
(3) content of the engineering plastics of described 2nd insulating barrier is preferably 50 mass %～86 mass %。If this content range, mar proof is preferred state。
(4) sectional area of described conductor is preferably 0.5mm2Above 2.0mm2Below。Its size for being suitable for as electric wire mounted on a vehicle。
(5) thickness of described 1st insulating barrier is preferably more than 0.04mm below 0.06mm。Its size for being suitable for as the electric wire being mounted on described vehicle, and can all meet proof voltage, mechanical property, mar proof。
(6) about the electric wire of above-mentioned the present embodiment, by arranging this electric wire and external conductor and the outer quilt around them, it is possible to as shielding wire。
(7) it addition, about the electric wire of above-mentioned the present embodiment, by arranging many these electric wires and covering the one screen layer of surrounding of many described electric wires and cover the outer quilt of surrounding of described one screen layer, it is possible to as multicore cable。
[detailed content of the embodiment of the present application]
Hereinafter, embodiment of the present invention are described in detail。
(content of electric wire)
Hereinafter, with reference to Fig. 1, embodiment of the present invention are described in detail。
(content of insulated electric conductor)
Fig. 1 is the schematic sectional view of the example of the electric wire of the scheme illustrating the present invention。Electric wire 1 has a conductor 2, and on the periphery of conductor 2,2 layer insulatings of at least the 1st insulating barrier (hereinafter also referred to as internal layer) the 3 and the 2nd insulating barrier (following, also to become outer layer) 4。1st insulating barrier is closely sealed with conductor the 2 and the 2nd insulating barrier 4。
(internal layer)
Internal layer 3 is containing polyethylene and binding agent。
The polyethylene that internal layer 3 is used is not particularly limited, any one of high density polyethylene (HDPE) (HDPE) and Low Density Polyethylene (LDPE), and it is suitable to select according to the specification of electric wire 1。
The binding agent that internal layer 3 is used is not particularly limited, but can enumerate the copolymer etc. of (such as) glycidyl methacrylate (GMA), vinylacetate (VA) or acrylic acid methyl ester. (MA)。About this binding agent, it is suitable to be also that the compatibility etc. of the polyethylene used by the specification of electric wire 1, internal layer 3 and the resin used by outer layer described later 4 selects。
The mass ratio (polyethylene: binding agent) of the polyethylene contained by internal layer 3 and binding agent is not particularly limited, but is preferably 4:6～6:4。
Internal layer 3 can also contain antioxidant。
Thickness as internal layer 3, it is preferred to 0.04mm～0.06mm。The thickness of electric wire is restricted, so, when internal layer is thickening, force outer layer described later thinning sometimes。In the electric wire of the present invention, if outer layer is thinning, then mar proof, anti-flammability become insufficient sometimes。Therefore, the upper limit of internal layer thickness is preferably 0.06mm。Specifically, according to the polyethylene used in the specification of electric wire 1, aforesaid internal layer 3, binding agent, the resin of outer layer 4 described later use, fire retardant, suitable thickness is selected。
(outer layer)
Outer layer 4 is containing engineering plastics and fire retardant。
Engineering plastics used by outer layer 4 are preferably any one the above thermoplastic resin having in amido link, ester bond or amino-formate bond。It is more preferably any one the above thermoplastic elastomer (TPE) having in amido link, ester bond or amino-formate bond。
The content of the engineering plastics contained by outer layer 4 is preferably 50～86 mass %, more preferably 72～86 mass %。
The fire retardant used in outer layer 4, can enumerate (such as) metal hydroxides, nitrogen based flame retardant, phosphorus type flame retardant, expanding fire retardant。About this fire retardant, it is suitable to select also according to the compatibility etc. of the engineering plastics used in the specification of electric wire 1, the polyethylene used in described internal layer 3, binding agent and outer layer 4。Wherein preferred nitrogen based flame retardant or phosphorus type flame retardant。
It addition, in outer layer 4, it is also possible to containing antioxidant, ion trap agent, hydrolysis inhibitor, ester lubricant, crosslinking coagent, color material etc.。
The thickness of outer layer 4 is the thickness of the thickness gained deducting internal layer from the thickness of insulating layer determined by conductor diameter。
(conductor)
As conductor 2, general copper cash, copper alloy wire etc. can be used。
It addition, as the size of conductor 2, it does not have it is particularly limited to, and suitably should select according to the use form of electric wire 1, purpose etc., but preferred cross-sections is amassed as 0.5mm2～2mm2Conductor。
(other)
The purposes of electric wire as a scheme of the present invention, it is preferable that as the control line of rolling stock。
It addition, in the electric wire 1 of the embodiment shown in Fig. 1, although as core and there is internal layer 3 and outer layer 4 using the conductor 2 of single line or twisted wire about but it also may adopt other scheme。
Such as, can also be as shown in Figure 2, the external conductor 11 of the electric wire 1 with aforesaid embodiment and the surrounding covering electric wire 1 and cover described external conductor 11 surrounding outer by 12 the scheme of shielding wire 10, or as it is shown on figure 3, have many aforesaid electric wires 1 and cover many wires 1 surrounding one screen layer 21 and cover described one screen layer 21 surrounding outer by 22 the scheme of multicore cable 20。
[embodiment]
Below, it is shown that using the result of the evaluation test of embodiment of the present invention and comparative example, the present invention is described in more detail。It should be noted that the invention is not restricted to these embodiments。
[making of electric wire]
By insulating layer coating on conductor in the way of becoming the composition of table 1 below, thus having made electric wire。
Conductor is that the tin annealed copper wire of 19 0.254mm diameters (footpath) is stranded, and external diameter is 1.270mm, sectional area is 0.963mm2Conductor。
As the thickness of the insulating barrier of the electric wire for this size, when 2 Rotating fields, internal layer is set to 0.050mm, outer layer is set to 0.175mm, in the case of the single-layer structure, is set to 0.225mm。
[evaluation of electric wire]
About prepared electric wire, evaluate mar proof, proof voltage, anti-flammability through following methods。Result is shown in table 1 below。
(mar proof)
Scraping wear test: based on the regulation of ISO6722:2006, carries out scraping wear test。Scraper material is set to the piano wire of φ 0.45mm, load is set to 9N。Observe until scraper when conductor exposes move back and forth number of times, it is qualified to be set to more than 150 times, will be set to defective less than 150 times。Result is shown in table 1 below。
(proof voltage)
Stability (D.C.stability): 85 DEG C, in 3%NaCl aqueous solution, DC300V charges 240 hours, every 24 hours measurement electric currents, the further voltage of applying AC2kV 1 minute, it is set to A by what there is no an insulation breakdown, is set to B by what have an insulation breakdown。Result is shown in table 1 below。
(anti-flammability)
Article 1, fire retardancy test: with the ISO6722 45 degree of inclining experiments being benchmark。Using automatic distinguishing as qualified。Result is shown in table 1 below。It should be noted that in table 1 below, No.1～9 are embodiment, No.10～12 are comparative example。
[table 2]
[table 3]
In table 2 and table 3, the unit of numerical value is mass parts。
In No.1～9 (embodiment), mar proof, proof voltage, anti-flammability arbitrarily it is excellence。No.10 (comparative example) does not have the example of binding agent for internal layer, although proof voltage and excellent in flame retardance, but mar proof is poor。No.11 (comparative example) is set to single layer structure for insulating barrier and employs the example of engineering plastics, although mar proof and excellent in flame retardance, but proof voltage is poor。Comparative example 3 is set to single layer structure for insulating barrier and employs the example of polyethylene, although proof voltage is excellent, but mar proof and poor fire。
[explanation of symbol]
1 electric wire 2 conductor 3 internal layer 4 outer layer 10 shielding wire 11 external conductor 12 is outer by the 20 multicore cable 21 one outer quilts of screen layer 22。
Claims (8)
1. an electric wire, has conductor, is coated to the 1st insulating barrier of described conductor and the 2nd insulating barrier of coating described 1st insulating barrier,
Wherein, described 1st insulating barrier contains polyethylene and binding agent,
Described 2nd insulating barrier contains engineering plastics and fire retardant,
And any one of described 1st insulating barrier and the 2nd insulating barrier is all crosslinking。
2. electric wire according to claim 1, polyethylene and the mass ratio (polyethylene: binding agent) of binding agent contained by described 1st insulating barrier are 4:6～6:4。
3. electric wire according to claim 1, the content of the engineering plastics of described 2nd insulating barrier is 50 mass %～86 mass %。
4. electric wire according to claim 2, the content of the engineering plastics of described 2nd insulating barrier is 50 mass %～86 mass %。
5. electric wire as claimed in any of claims 1 to 4, the sectional area of described conductor is 0.5mm2Above 2.0mm2Below。
6. electric wire as claimed in any of claims 1 to 4, the thickness of described 1st insulating barrier is more than 0.04mm below 0.06mm。
7. a shielding wire, has electric wire as claimed in any of claims 1 to 4 and external conductor and the outer quilt around them。
8. a multicore cable, has many electric wires as claimed in any of claims 1 to 4 and covers the one screen layer of surrounding of many described electric wires and cover the outer quilt of surrounding of described one screen layer。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014252781A JP2016115510A (en) | 2014-12-15 | 2014-12-15 | Electrical line, shield wire and multicore cable using it |
| JP2014-252781 | 2014-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105702357A true CN105702357A (en) | 2016-06-22 |
| CN105702357B CN105702357B (en) | 2018-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510926444.2A Active CN105702357B (en) | 2014-12-15 | 2015-12-14 | Electric wire, shielding wire and multicore cable using the electric wire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2016115510A (en) |
| CN (1) | CN105702357B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833688A (en) * | 2016-09-15 | 2018-03-23 | 日立金属株式会社 | Insulated electric conductor |
| CN114556494A (en) * | 2019-10-30 | 2022-05-27 | 住友电气工业株式会社 | Electric insulation cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142917A1 (en) * | 2009-06-11 | 2010-12-16 | Nexans | Electric cable adapted for ensuring the continuity of power distribution in the event of fire |
| CN103173002A (en) * | 2011-12-21 | 2013-06-26 | 日立电线株式会社 | Crosslinking resin composite, electric wire and cable using the same |
| CN203941761U (en) * | 2014-05-21 | 2014-11-12 | 江阴市江南氟塑有限公司 | A kind of high insulated shield cable |
| CN204010800U (en) * | 2014-04-11 | 2014-12-10 | 常丰线缆有限公司 | The crosslinked polyetylene insulated armored type fireproof cable of a kind of 35KV |
-
2014
- 2014-12-15 JP JP2014252781A patent/JP2016115510A/en active Pending
-
2015
- 2015-12-14 CN CN201510926444.2A patent/CN105702357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142917A1 (en) * | 2009-06-11 | 2010-12-16 | Nexans | Electric cable adapted for ensuring the continuity of power distribution in the event of fire |
| CN103173002A (en) * | 2011-12-21 | 2013-06-26 | 日立电线株式会社 | Crosslinking resin composite, electric wire and cable using the same |
| CN204010800U (en) * | 2014-04-11 | 2014-12-10 | 常丰线缆有限公司 | The crosslinked polyetylene insulated armored type fireproof cable of a kind of 35KV |
| CN203941761U (en) * | 2014-05-21 | 2014-11-12 | 江阴市江南氟塑有限公司 | A kind of high insulated shield cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833688A (en) * | 2016-09-15 | 2018-03-23 | 日立金属株式会社 | Insulated electric conductor |
| CN107833688B (en) * | 2016-09-15 | 2021-07-20 | 日立金属株式会社 | Insulated wire |
| CN114556494A (en) * | 2019-10-30 | 2022-05-27 | 住友电气工业株式会社 | Electric insulation cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016115510A (en) | 2016-06-23 |
| CN105702357B (en) | 2018-04-17 |
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