CN105895210A - Flexible high-temperature-resistant wire and fabrication process thereof - Google Patents
Flexible high-temperature-resistant wire and fabrication process thereof Download PDFInfo
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- CN105895210A CN105895210A CN201610433890.4A CN201610433890A CN105895210A CN 105895210 A CN105895210 A CN 105895210A CN 201610433890 A CN201610433890 A CN 201610433890A CN 105895210 A CN105895210 A CN 105895210A
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- layer
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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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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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
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- 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
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a flexible high-temperature-resistant wire. The flexible high-temperature-resistant wire comprises a conductive core wire, an insulation layer and a fireproof layer and is characterized in that the outer surface of the conductive core wire is uniformly coated with a coating, the insulation layer is arranged on the outer surface of the coating, the fireproof layer is arranged on the outer surface of the insulation layer, the insulation layer comprises an internal insulation layer, an external insulation layer and a shielding layer, the internal insulation layer is an internal insulation layer wrapped by a polyimide composite belt, the external insulation layer adopts a high-temperature-resistant alkali-free glass fiber external insulation layer, the shielding layer is a shielding layer woven with nickel-plated copper wires, is relatively high in flexibility, and can be matched with the flexibility of the conductive core wire, so that the flexibility of the whole wire is relatively high, the influence on the conductivity of the conductive core wire in the wire under the condition of exposure under the sun can be prevented, the durability is greatly improved, and the service lifet is greatly prolonged.
Description
Technical field
The present invention relates to Power-line technology field, particularly relate to a kind of flexible high-temperature resistant electric wire and manufacture craft thereof.
Background technology
Electric wire is widely used in every field, relate to people's lives, industrial production every field, so the consumption of electric wire is the hugest, requirement to quality also can be the highest, but the quality purposes to cable requires it is different, as at oil, chemical industry and aviation train field productive power cable electric wire, it is desirable to electric wire has preferable tensile property and resistance to elevated temperatures in every field, could be durable in use, meet needs.
The flexibility of electric wire, namely flexible, depend on the elasticity of conductor wire and the diameter of single metal wire, and the pitch of spiral winding.Owing to the core of conductor wire needs to use specific wire, therefore, conductor wire elasticity is immutable.And pitch is limited relative to electric wire diameter variable range.Therefore, maximum variable factor is the diameter of single metal wire, and diameter is the least, and flexible radius is the least, and flexible is the best.
The patent application document of Application No. 201510046296.5, discloses a kind of heat-resistant fireproof tension electric wire, and it is made up of aluminum metal flexible pipe, four layers of restrictive coating around wrapping in outside aluminum metal flexible pipe, six strands of control conductor and six strands of ground connection cores.Four layers of restrictive coating are respectively low smoke and zero halogen butyronitrile insulating barrier, aluminium strip armor, tin plating nickel strap armor and low-smoke halogen-free polyolefin restrictive coating from inside to outside, described aluminum metal flexible pipe and six strands of control conductor are extruded in inside low smoke and zero halogen butyronitrile insulating barrier, aluminum metal flexible pipe is placed in center, and six strands of ground connection cores are extruded between low smoke and zero halogen butyronitrile insulating barrier, aluminium strip armor and tin plating nickel strap armor symmetrically.This kind of electric wire is durable in use, high temperature resistant, fire-retardant, by aluminum metal flexible pipe and the support of steel wire tensile cord, enhances the tensile property of this electric wire.
The patent application document of Application No. 201080046374.7, a kind of weatherability with excellence and the electric wire of durability.The present invention is electric wire and manufacture method thereof, it is characterised in that this electric wire has conductor, the insulating barrier being formed at the periphery of conductor and is formed at the outer layer of periphery of insulating barrier, and outer layer is formed by coating weatherability coating.
But the flexibility of electric wire of the prior art and high temperature resistant degree are the highest, the flexibility of conductive core line and crust can not reach unified, and the core of conductor wire generally uses metal monofilament drawing to make, filament after Drawing-anneal is drawn to microfilament, gather bunchy, form through strand sth. made by twisting；Metal monofilament drawing is typically only capable to be drawn to 0.03mm string diameter, and it is the lowest to continue attenuate complex process, production efficiency and yield rate of drawing, and cost increase, so that the flexibility of conductive core line and crust can not reach unified, cost of manufacture can be made greatly to increase, the waste of resource can be caused.
Summary of the invention
The technical problem to be solved of the present invention is to provide a kind of flexible high-temperature resistant electric wire and manufacture craft thereof, the highest with flexibility and the high temperature resistant degree of electric wire in solution prior art, the flexibility of conductive core line and crust can not reach unified, thus causes the defect of the wasting of resources.
In order to realize the purpose of the present invention, a kind of flexible high-temperature resistant electric wire that the present invention provides, including conductive core line, insulating barrier and fireprotection layer, and the outer surface of conductive core line scribbles coating uniformly, insulating barrier is located at the outer surface of coating, and fireprotection layer is located at the outer surface of insulating barrier, insulating barrier includes inner insulating layer, external insulation layer and screen layer, wherein inner insulating layer uses the inner insulating layer that polyimides composite band is wrapped, external insulation layer uses high temperature resistant alkali-free glass fibre external insulation layer, and screen layer uses the screen layer of the nickel plated copper wire of braiding.
Preferably, conductive core line is belonged to fibre bundle twisting by 3-10 money paid for shares and forms.
Preferably, metallic fiber tow uses clustered drawing manufacture, and a diameter of 0.002mm-0.03mm of single piece of metal fiber.
Preferably, coating uses coating acrylic acid series, olefin-based, chlorinated polyolefin hydrocarbon system, polyurethane series, polyvinyl chloride, epoxy or the coating of polymethyl methacrylate system.
Preferably, fireprotection layer uses the weatherability coating of the fluoroolefin based polymer containing curability functional group.
A kind of flexible high-temperature resistant electric wire manufacture craft, comprises the following steps:
(1) outer surface of the metallic fiber of single a diameter of 0.002mm-0.03mm is coated with coating uniformly, and under ventilation condition natural air drying, and coating uses coating acrylic acid series, olefin-based, chlorinated polyolefin hydrocarbon system, polyurethane series, polyvinyl chloride, epoxy or the coating of polymethyl methacrylate system；
(2) coated metallic fiber will be coated with and use clustered drawing manufacture, and make metallic fiber tow as conductive core line, and the quantity of metallic fiber tow will be 3-10 stock；
(3) outside at conductive core line utilizes winding machine wrapped polyimides composite band, make inner insulating layer, the outer surface of inner insulating layer utilizes high temperature resistant alkali-free glass fibre that braider weaves as external insulation layer, and uses nickel plated copper wire that braider weaves as screen layer；
(4) outer surface at screen layer coats fireprotection layer uniformly, and fireprotection layer uses the weatherability coating of the fluoroolefin based polymer containing curability functional group；And under ventilation condition natural air drying 5-10 hour.
The beneficial effects of the present invention is:
1, the conductive core line that the clustered drawing that the present invention uses manufactures can be indeformable with little curvature bending, improves folding resistance, described flexible wire the conductive fabric being made into can be washed by rubbing with the hands the most by hand；Described flexible wire is thin due to metallic fiber string diameter, and flexible, fiber head will not stab insulating barrier；Owing to metallic fiber diameter is little, flexibility is good, has spinnability.
2, the insulating barrier in the present invention includes inner insulating layer, external insulation layer and screen layer, and external insulation layer uses high temperature resistant alkali-free glass fibre external insulation layer, screen layer uses the screen layer of the nickel plated copper wire of braiding, external diameter is little, lightweight and high temperature resistant, reduce and lay space, it is easily installed, can it be-55 DEG C～+350 DEG C in operating temperature for a long time, short-term operation temperature normally works in the environment of reaching 400 DEG C, and pliability is higher, can match with the pliability of conductive core line so that the pliability of whole electric wire is the highest.
3, fireprotection layer uses the weatherability coating of the fluoroolefin based polymer containing curability functional group, it is particularly suitable as the electric wire being exposed to used in the environment of sunray, it can be avoided that the conduction of internal conductive core line is produced impact in the case of the sun is exposed to the sun, significantly increase durability degree and life-span.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Wherein, 1-conductive core line, 2-metal fiber wire, 3-coating, 4-insulating barrier, 5-fireprotection layer, 41-inner insulating layer, 42-external insulation layer, 43-screen layer.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further details below in conjunction with the accompanying drawings.
Fig. 1 illustrates the detailed description of the invention of the present invention: a kind of flexible high-temperature resistant electric wire, including conductive core line 1, insulating barrier 4 and fireprotection layer 5, and the outer surface of conductive core line 1 scribbles coating 3 uniformly, insulating barrier 4 is located at the outer surface of coating 3, and fireprotection layer 5 is located at the outer surface of insulating barrier 4, insulating barrier 4 includes inner insulating layer 41, external insulation layer 42 and screen layer 43, wherein inner insulating layer 41 uses the inner insulating layer 41 that polyimides composite band is wrapped, external insulation layer 42 uses high temperature resistant alkali-free glass fibre external insulation layer 42, screen layer 43 uses the screen layer 43 of the nickel plated copper wire of braiding.
Preferably, conductive core line 1 is restrainted twisting by 3-10 stock metal fiber wire 2 and is formed.
Preferably, metal fiber wire 2 bundle uses clustered drawing manufacture, and a diameter of 0.002mm-0.03mm of single piece of metal fiber.
Preferably, coating 3 uses coating acrylic acid series, olefin-based, chlorinated polyolefin hydrocarbon system, polyurethane series, polyvinyl chloride, epoxy or the coating of polymethyl methacrylate system.
Preferably, fireprotection layer 5 uses the weatherability coating of the fluoroolefin based polymer containing curability functional group.
A kind of flexible high-temperature resistant electric wire manufacture craft, comprises the following steps:
(1) outer surface of the metallic fiber of single a diameter of 0.002mm-0.03mm is coated with coating 3 uniformly, and under ventilation condition natural air drying, and coating 3 uses coating acrylic acid series, olefin-based, chlorinated polyolefin hydrocarbon system, polyurethane series, polyvinyl chloride, epoxy or the coating of polymethyl methacrylate system；
(2) metallic fiber of coating 3 will be scribbled and use clustered drawing manufacture, and make metal fiber wire 2 and restraint as conductive core line 1, and the quantity of metal fiber wire 2 bundle will be 3-10 stock；
(3) outside at conductive core line 1 utilizes winding machine wrapped polyimides composite band, make inner insulating layer 41, the outer surface of inner insulating layer 41 utilizes high temperature resistant alkali-free glass fibre that braider weaves as external insulation layer 42, and uses nickel plated copper wire that braider weaves as screen layer 43；
(4) outer surface at screen layer 43 coats fireprotection layer 5 uniformly, and fireprotection layer 5 uses the weatherability coating of the fluoroolefin based polymer containing curability functional group；And under ventilation condition natural air drying 5-10 hour.
The beneficial effects of the present invention is:
1, the conductive core line 1 that the clustered drawing that the present invention uses manufactures can be indeformable with little curvature bending, improves folding resistance, described flexible wire the conductive fabric being made into can be washed by rubbing with the hands the most by hand；Described flexible wire is thin due to metal fiber wire 2 footpath, and flexible, fiber head will not stab insulating barrier 4；Owing to metallic fiber diameter is little, flexibility is good, has spinnability.
2, the insulating barrier 4 in the present invention includes inner insulating layer 41, external insulation layer 42 and screen layer 43, and external insulation layer 42 uses high temperature resistant alkali-free glass fibre external insulation layer 42, screen layer 43 uses the screen layer 43 of the nickel plated copper wire of braiding, external diameter is little, lightweight and high temperature resistant, reduce and lay space, it is easily installed, can it be-55 DEG C～+350 DEG C in operating temperature for a long time, short-term operation temperature normally works in the environment of reaching 400 DEG C, and pliability is higher, can match with the pliability of conductive core line 1 so that the pliability of whole electric wire is the highest.
3, fireprotection layer 5 uses the weatherability coating of the fluoroolefin based polymer containing curability functional group, it is particularly suitable as the electric wire being exposed to used in the environment of sunray, it can be avoided that the conduction of internal conductive core line 1 is produced impact in the case of the sun is exposed to the sun, significantly increase durability degree and life-span.
As known by the technical knowledge, the present invention can be realized by the embodiment of other essence without departing from its spirit or essential feature.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.All changes within the scope of the present invention or within being equal to the scope of the present invention are all included in the invention.
Claims (6)
1. a flexible high-temperature resistant electric wire, including conductive core line, insulating barrier and fireprotection layer, it is characterized in that: and the outer surface of conductive core line scribbles coating uniformly, insulating barrier is located at the outer surface of coating, and fireprotection layer is located at the outer surface of insulating barrier, insulating barrier includes inner insulating layer, external insulation layer and screen layer, and wherein inner insulating layer uses the inner insulating layer that polyimides composite band is wrapped, external insulation layer uses high temperature resistant alkali-free glass fibre external insulation layer, and screen layer uses the screen layer of the nickel plated copper wire of braiding.
A kind of flexible high-temperature resistant electric wire the most according to claim 1, it is characterised in that: conductive core line is belonged to fibre bundle twisting by 3-10 money paid for shares and forms.
A kind of flexible high-temperature resistant electric wire the most according to claim 1, it is characterised in that: metallic fiber tow uses clustered drawing manufacture, and a diameter of 0.002mm-0.03mm of single piece of metal fiber.
A kind of flexible high-temperature resistant electric wire the most according to claim 1, it is characterised in that: coating uses coating acrylic acid series, olefin-based, chlorinated polyolefin hydrocarbon system, polyurethane series, polyvinyl chloride, epoxy or the coating of polymethyl methacrylate system.
A kind of flexible high-temperature resistant electric wire the most according to claim 1, it is characterised in that: fireprotection layer uses the weatherability coating of the fluoroolefin based polymer containing curability functional group.
6. the manufacture craft according to the flexible high-temperature resistant electric wire described in any one described in claim 1 to 5, it is characterised in that: comprise the following steps:
(1) outer surface of the metallic fiber of single a diameter of 0.002mm-0.03mm is coated with coating uniformly, and under ventilation condition natural air drying, and coating uses coating acrylic acid series, olefin-based, chlorinated polyolefin hydrocarbon system, polyurethane series, polyvinyl chloride, epoxy or the coating of polymethyl methacrylate system；
(2) coated metallic fiber will be coated with and use clustered drawing manufacture, and make metallic fiber tow as conductive core line, and the quantity of metallic fiber tow will be 3-10 stock；
(3) outside at conductive core line utilizes winding machine wrapped polyimides composite band, make inner insulating layer, the outer surface of inner insulating layer utilizes high temperature resistant alkali-free glass fibre that braider weaves as external insulation layer, and uses nickel plated copper wire that braider weaves as screen layer；
(4) outer surface at screen layer coats fireprotection layer uniformly, and fireprotection layer uses the weatherability coating of the fluoroolefin based polymer containing curability functional group；And under ventilation condition natural air drying 5-10 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433890.4A CN105895210A (en) | 2016-06-18 | 2016-06-18 | Flexible high-temperature-resistant wire and fabrication process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433890.4A CN105895210A (en) | 2016-06-18 | 2016-06-18 | Flexible high-temperature-resistant wire and fabrication process thereof |
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| Publication Number | Publication Date |
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| CN105895210A true CN105895210A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610433890.4A Pending CN105895210A (en) | 2016-06-18 | 2016-06-18 | Flexible high-temperature-resistant wire and fabrication process thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364589A (en) * | 2011-10-14 | 2012-02-29 | 南京全信传输科技股份有限公司 | High-temperature-resistant electric wire and preparation process thereof |
| CN102667967B (en) * | 2009-11-10 | 2014-04-16 | 大金工业株式会社 | Cable, cable duct and methods for manufacturing cable and cable duct |
| CN104051057A (en) * | 2014-06-26 | 2014-09-17 | 厦门金纶科技有限公司 | Flexible wire and manufacturing technology |
| CN204242654U (en) * | 2014-11-03 | 2015-04-01 | 江苏亨通电子线缆科技有限公司 | The extraordinary flexible power cable of new forms of energy |
| CN204732202U (en) * | 2015-05-12 | 2015-10-28 | 上海贝恩科电缆有限公司 | Fire-proof high-temperature resistant fire-fighting soft structure cable |
-
2016
- 2016-06-18 CN CN201610433890.4A patent/CN105895210A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667967B (en) * | 2009-11-10 | 2014-04-16 | 大金工业株式会社 | Cable, cable duct and methods for manufacturing cable and cable duct |
| CN102364589A (en) * | 2011-10-14 | 2012-02-29 | 南京全信传输科技股份有限公司 | High-temperature-resistant electric wire and preparation process thereof |
| CN104051057A (en) * | 2014-06-26 | 2014-09-17 | 厦门金纶科技有限公司 | Flexible wire and manufacturing technology |
| CN204242654U (en) * | 2014-11-03 | 2015-04-01 | 江苏亨通电子线缆科技有限公司 | The extraordinary flexible power cable of new forms of energy |
| CN204732202U (en) * | 2015-05-12 | 2015-10-28 | 上海贝恩科电缆有限公司 | Fire-proof high-temperature resistant fire-fighting soft structure cable |
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Application publication date: 20160824 |