CN106409424A - Carbon-fiber metal composite shielded wire - Google Patents
Carbon-fiber metal composite shielded wire Download PDFInfo
- Publication number
- CN106409424A CN106409424A CN201611162258.7A CN201611162258A CN106409424A CN 106409424 A CN106409424 A CN 106409424A CN 201611162258 A CN201611162258 A CN 201611162258A CN 106409424 A CN106409424 A CN 106409424A
- Authority
- CN
- China
- Prior art keywords
- layer
- metal
- screen layer
- carbon fiber
- electro
- 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
Classifications
-
- 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
- H01B9/021—Features relating to screening tape per se
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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
-
- 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
- H01B7/1865—Sheaths comprising braided non-metallic layers
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The invention provides a carbon-fiber metal composite shielded wire comprising an inner conductor, an insulating layer covering the inner conductor, a shielding layer covering the insulating layer, and a protection layer covering the shielding layer. The shielding layer consists of a first electromagnetic shielding layer, a second electromagnetic shielding layer arranged on the outer side of the first electromagnetic shielding layer directly and a third shielding layer arranged outside the second electromagnetic shielding layer directly; the first electromagnetic shielding layer is a metal shielding layer; the second electromagnetic shielding layer has electroconductive resin; and the third electromagnetic shielding layer is a carbon fiber layer. Compared with the prior art, the provided carbon-fiber metal composite shielded wire with the combined metal layer and carbon fiber layer is characterized in that the carbon fiber has the high flexibility and the excellent electromagnetic shielding performance, so that the anti-electromagnetic property of the shielded wire is enhanced and the good mechanical property is kept.
Description
Technical field
The present invention relates to Electric Wires ＆ Cables are and in particular to a kind of carbon fiber metal composite shielding cable.
Background technology
Electromagnetic shielding cable is more conventional signal transmission wire rod in electronic industry, is generally used for sensor, electrical equipment portion
In the wiring of part, typically in order to prevent and treat intrusion and the releasing of electromagnetic wave noise.Conventional wire cable is internally provided with two conductors, inside leads
Body is used for transmitting telecommunication number, and outer conductor is in order to shield, so that cable has electro-magnetic screen function, screen layer unobstructed employing multiply
Metal wire braiding forms or overall copper pipe composition.In prior art, second is through disclosing various shielded cable.Chinese patent
CN10345612A discloses a kind of shielded cable, and including a conductive core line, described conductive core line is coated with one first insulation
Layer, described insulating barrier is externally provided with a metal screen layer, and described metal screen layer is coated with one second insulating barrier, therefore metal screen
Cover layer and can effectively shield the interference of electromagnetic wave or outer signals so that described shielded cable has good shield effectiveness,
And described second insulating barrier plays a protective role to described metal screen layer, described metal screen layer is prevented to be destroyed.
Chinese patent CN205645386U discloses a kind of shielded cable of electromagnetism interference, including conductive layer, insulating barrier,
The outer protective jacket of screen layer, described conductive layer outsourcing insulating layer coating, insulating barrier outer cladding screen layer, protects outside screen layer outer cladding
Set, is additionally provided with braiding layer, conductive layer, insulating barrier, screen layer, braiding layer, outer protective jacket between screen layer and outer protective jacket
For being coaxially disposed, change construction of cable complexity, preparation cost is high.
Chinese patent CN101807449A discloses a kind of shielding line, including inner conductor, covers described inner conductor
Insulating barrier, covers the shielding line of described insulating barrier, and covers the protective layer of described screen layer, and wherein said screen layer includes the
One electro-magnetic screen layer and the second electro-magnetic screen layer being set directly at outside this first electro-magnetic screen layer, and wherein said first
Electro-magnetic screen layer at least has one of them in metal braid and metal forming, and described second electro-magnetic screen layer has conductive tree
In fat, and the electroconductive resin of described second electro-magnetic screen layer and described first electro-magnetic screen layer included metal braid or
Metal forming directly contact.
Above-mentioned prior art disclosed shielding line strength is not enough, and bending through performance of many whens can reduce.
Content of the invention
For the deficiencies in the prior art, the present invention provides a kind of shielding line with good bend resistance performance.
The present invention provides a kind of carbon fiber metal composite shielding cable, including：
Inner conductor；
Cover the insulating barrier of described inner conductor；
Cover the screen layer of described insulating barrier；And
Cover the protective layer of described screen layer,
Wherein said screen layer includes the first electro-magnetic screen layer and is set directly on the outside of this first battery screen layer
The second electro-magnetic screen layer and the 3rd screen layer that is set directly at outside described second electro-magnetic screen layer；
Described first electro-magnetic screen layer is metal screen layer, and described second electro-magnetic screen layer has electroconductive resin, described the
Three electro-magnetic screen layers are carbon fiber layer.
Preferably, described metal screen layer is metal knitted nitride layer.
Preferably, described metal screen layer is metal foil layer.
Preferably, described screen layer has laminated film shape, and wherein metal forming overlaps described second electro-magnetic screen layer
Electroconductive resin on, and described screen layer be wound around described insulating barrier.
Preferably, the winding spacing of described shielding line is more than or equal to 2.0mm and is less than or equal to 4.0mm.
Preferably, the winding spacing heavy rain of described shielding line or be equal to 2.0mm and be less than or equal to 2.5mm.
Preferably, described insulating barrier is constituted by one layer, is foaming layer.
Preferably, described insulating barrier is made up of two-layer, and outer layer is solid layer, and internal layer is foaming layer.
Preferably, described insulating barrier is constituted by three layers, and outermost layer and innermost layer are solid layer, and middle is foaming layer.
The present invention provides a kind of carbon fiber metal composite shielding cable, including：Inner conductor；Cover the exhausted of described inner conductor
Edge layer；Cover the screen layer of described insulating barrier；And covering the protective layer of described screen layer, wherein said screen layer includes first
Electro-magnetic screen layer and the second electro-magnetic screen layer of being set directly on the outside of this first battery screen layer and be set directly at institute
State the 3rd screen layer outside the second electro-magnetic screen layer；Described first electro-magnetic screen layer is metal screen layer, described second electromagnetic screen
Cover layer and there is electroconductive resin, described 3rd electro-magnetic screen layer is carbon fiber layer.Compared with prior art, the present invention is provided with metal
The shielding line that layer is combined with carbon fiber layer, carbon fiber has good flexibility and capability of electromagnetic shielding, therefore improves shielding line
Anti- electromagnetic performance, and good mechanical property can be kept.
Brief description
A kind of embodiment schematic diagram of the shielding line that Fig. 1 provides for the present invention.
Specific embodiment
As shown in figure 1, a kind of schematic diagram of specific embodiment of the carbon fiber metal shielding line providing for the present invention, bag
Include inner conductor 11, inner conductor 11 can be made up of the conductive core of a conductive core or many insulating coatings it is also possible to by
Multiple conductive filaments are mutually entwined, and conductive core or conductive filament can select conductive metallic material, and such as copper, aluminum etc. are it is also possible to select
With electrical conductivity alloy material, such as ormolu, Kufil, signal bronze etc..
Covering conductive surface internally has insulating barrier 12, it is proposed, according to the invention, insulating barrier can be formed by one layer, for foaming
Layer；Can also be two-layer, outer layer is solid layer, internal layer is foaming layer；Can also be three layers, outermost layer and innermost layer are solid
Layer, middle is foaming layer.The material of solid layer can be politef, coupling ethylene propylene rubber, the material of polyimides, to this
The present invention is not particularly limited.Foam degrees in foaming layer and foaming diameter, the present invention is not particularly limited, and foam degrees are excellent
Elect 45-60%, more preferably 458-58 as；For the bubble diameter in foaming layer, preferably 20-70um, more preferably 25-
65um.
It is screen layer outside insulating barrier, screen layer includes the first electro-magnetic screen layer 13, is set directly at this first electromagnetism
The second electro-magnetic screen layer 14 on the outside of screen layer, the 3rd electromagnetic shielding being set directly at outside described second electro-magnetic screen layer
Layer 15.
First electro-magnetic screen layer is metal knitted nitride layer or metal forming, and metal forming is copper or aluminium foil, the second electro-magnetic screen layer
There is electroconductive resin, can be containing metal dust or the resin with carbon materials；3rd electro-magnetic screen layer is carbon fiber layer.
The winding spacing of screen layer is more than or equal to 2.0mm and is less than or equal to 4.0mm it is preferred that the winding spacing heavy rain of screen layer
Or be equal to 2.0mm and be less than or equal to 2.5mm.When being wound screen layer, need three layers of screen layer are stacked together
It is wound simultaneously.The winding spacing of screen layer has impact for the absorption of signal and shielding, therefore can not be excessive, nor
Too small.
Outer protective layer 16 is made up of insulant, can select the material such as polyethylene, polyamide, polypropylene, to this
Invention is not particularly limited.In the present invention, insulant is preferably Low Density Polyethylene (LDPE) and high density polyethylene (HDPE)
(HDPE) mix.
The present invention compared with prior art, is provided with the shielding line that metal level and carbon fiber layer are combined, carbon fiber has good
Good flexibility and capability of electromagnetic shielding, therefore improve the anti-electromagnetic performance of shielding line, and can keep good mechanical property.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of carbon fiber metal composite shielding cable, including：
Inner conductor；
Cover the insulating barrier of described inner conductor；
Cover the screen layer of described insulating barrier；And
Cover the protective layer of described screen layer,
Wherein said screen layer includes the first electro-magnetic screen layer and is set directly on the outside of this first battery screen layer the
Two electro-magnetic screen layers and the 3rd screen layer being set directly at outside described second electro-magnetic screen layer；
Described first electro-magnetic screen layer is metal screen layer, and described second electro-magnetic screen layer has electroconductive resin, described 3rd electricity
Magnetic masking layer is carbon fiber layer.
2. metal carbon fiber composite shielding cable according to claim 1 is it is characterised in that described metal screen layer is metal
Braid layer.
3. metal carbon fiber composite shielding cable according to claim 1 is it is characterised in that described metal screen layer is metal
Layers of foil.
4. the metal carbon fiber composite shielding cable according to any one of claims 1 to 3 is it is characterised in that described screen layer
There is laminated film shape, wherein metal forming overlaps on the electroconductive resin of described second electro-magnetic screen layer, and described shielding
Layer is wound around described insulating barrier.
5. metal carbon fiber composite shielding cable according to claim 4 is it is characterised in that the winding spacing of described shielding line
It is less than or equal to 4.0mm more than or equal to 2.0mm.
6. metal carbon fiber composite shielding cable according to claim 5 is it is characterised in that the winding spacing of described shielding line
Heavy rain or be equal to 2.0mm and be less than or equal to 2.5mm.
7. the metal carbon fiber composite shielding cable according to any one of claims 1 to 3 is it is characterised in that described insulating barrier
Constituted by one layer, be foaming layer.
8. the metal carbon fiber composite shielding cable according to any one of claims 1 to 3 is it is characterised in that described insulating barrier
It is made up of two-layer, outer layer is solid layer, internal layer is foaming layer.
9. the metal carbon fiber composite shielding cable according to any one of claims 1 to 3 is it is characterised in that described insulating barrier
Constituted by three layers, outermost layer and innermost layer are solid layer, middle is foaming layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162258.7A CN106409424A (en) | 2016-12-15 | 2016-12-15 | Carbon-fiber metal composite shielded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162258.7A CN106409424A (en) | 2016-12-15 | 2016-12-15 | Carbon-fiber metal composite shielded wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106409424A true CN106409424A (en) | 2017-02-15 |
Family
ID=58087788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611162258.7A Pending CN106409424A (en) | 2016-12-15 | 2016-12-15 | Carbon-fiber metal composite shielded wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106409424A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686492A (en) * | 2018-12-19 | 2019-04-26 | 浙江泰索科技有限公司 | A kind of shielded coaxial signal cable of composition metal outer tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171938A (en) * | 1990-04-20 | 1992-12-15 | Yazaki Corporation | Electromagnetic wave fault prevention cable |
| JP2003012945A (en) * | 2001-03-28 | 2003-01-15 | Ube Ind Ltd | Conductive resin composition and its manufacturing method |
| CN101752034A (en) * | 2010-02-04 | 2010-06-23 | 华为技术有限公司 | Coaxial cable and multi-core coaxial cable |
| CN101807449A (en) * | 2009-02-13 | 2010-08-18 | 矢崎总业株式会社 | Shielding conductor |
| CN203573693U (en) * | 2013-11-22 | 2014-04-30 | 武汉爱劳高科技有限责任公司 | Wear-resistant and anti-corrosion double-layer shielded cable |
-
2016
- 2016-12-15 CN CN201611162258.7A patent/CN106409424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171938A (en) * | 1990-04-20 | 1992-12-15 | Yazaki Corporation | Electromagnetic wave fault prevention cable |
| JP2003012945A (en) * | 2001-03-28 | 2003-01-15 | Ube Ind Ltd | Conductive resin composition and its manufacturing method |
| CN101807449A (en) * | 2009-02-13 | 2010-08-18 | 矢崎总业株式会社 | Shielding conductor |
| CN101752034A (en) * | 2010-02-04 | 2010-06-23 | 华为技术有限公司 | Coaxial cable and multi-core coaxial cable |
| CN203573693U (en) * | 2013-11-22 | 2014-04-30 | 武汉爱劳高科技有限责任公司 | Wear-resistant and anti-corrosion double-layer shielded cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686492A (en) * | 2018-12-19 | 2019-04-26 | 浙江泰索科技有限公司 | A kind of shielded coaxial signal cable of composition metal outer tube |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |