CN206460800U - A kind of metal carbon fiber composite shielding cable - Google Patents
A kind of metal carbon fiber composite shielding cable Download PDFInfo
- Publication number
- CN206460800U CN206460800U CN201621381908.2U CN201621381908U CN206460800U CN 206460800 U CN206460800 U CN 206460800U CN 201621381908 U CN201621381908 U CN 201621381908U CN 206460800 U CN206460800 U CN 206460800U
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- Prior art keywords
- layer
- screen layer
- electro
- carbon fiber
- metal
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Abstract
The utility model provides a kind of metal carbon fiber composite shielding cable, including：Inner conductor；Cover the insulating barrier of the inner conductor；Cover the screen layer of the insulating barrier；And the protective layer of the covering screen layer, wherein the screen layer includes the first electro-magnetic screen layer and the second electro-magnetic screen layer being set directly on the outside of first electro-magnetic screen layer and the 3rd electro-magnetic screen layer being set directly at outside second electro-magnetic screen layer；First electro-magnetic screen layer is metal screen layer, and second electro-magnetic screen layer is carbon fiber shielding layer, and the 3rd electro-magnetic screen layer has electroconductive resin.Compared with prior art, the screen layer for the shielding line that the utility model is provided includes metal level, carbon fiber layer, conductive resin layer successively, the utility model is while shielding line is had good interference free performance, additionally it is possible to ensure that shielding line has good mechanical property, preventing and treating shielding line fractures.
Description
Technical field
The utility model is related to Electric Wires ＆ Cables, and in particular to a kind of metal carbon fiber composite shielding with interference free performance
Line.
Background technology
Electromagnetic shielding cable is signal transmssion line material more conventional in electronic industry, is generally used for sensor, electrical equipment portion
In the wiring of part, typically for the intrusion and releasing that prevent and treat 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 to shield, so that cable has electro-magnetic screen function, the unobstructed use multiply of screen layer
Metal wire braiding is formed or overall copper pipe composition.In the prior art, second is through disclosing various shielded cables.Chinese patent
CN10345612A discloses a kind of shielded cable, including a conductive core line, and the conductive core line is coated with one first insulation
Layer, the insulating barrier is externally provided with a metal screen layer, and the metal screen layer is coated with one second insulating barrier, therefore metal screen
The interference of electromagnetic wave or outer signals can effectively be shielded by covering layer so that the shielded cable has good shield effectiveness,
And second insulating barrier plays a protective role to the metal screen layer, the 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,
Protected outside the outer protective jacket of screen layer, the conductive layer outsourcing insulating layer coating, insulating barrier outer cladding screen layer, 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
To be coaxially disposed, change construction of cable complexity, prepare cost high.
Chinese patent CN101807449A discloses a kind of shielding line, including inner conductor, covers the inner conductor
Insulating barrier, covers the shielding line of the insulating barrier, and the covering screen layer protective layer, wherein the screen layer includes the
One electro-magnetic screen layer and the second electro-magnetic screen layer being set directly on the outside of first electro-magnetic screen layer, and wherein described first
Electro-magnetic screen layer one of at least has in metal braid and metal foil, and second electro-magnetic screen layer has conductive set
In fat, and the electroconductive resin of second electro-magnetic screen layer and first electro-magnetic screen layer included metal braid or
Metal foil is directly contacted.
The disclosed shielding line strength of above-mentioned prior art is not enough, may be fractureed when bending through many.
Utility model content
In view of the shortcomings of the prior art, the utility model, which provides one kind, has good electromagnetism interference and good performance of science
Shielding line.
The utility model provides a kind of carbon fiber metal composite shielding cable, including：
Inner conductor；
Cover the insulating barrier of the inner conductor；
Cover the screen layer of the insulating barrier；And
The protective layer of the screen layer is covered,
Wherein described screen layer includes the first electro-magnetic screen layer and is set directly on the outside of first electro-magnetic screen layer
The second electro-magnetic screen layer and the 3rd screen electromagnetism that is set directly at outside second electro-magnetic screen layer cover layer；
First electro-magnetic screen layer is metal screen layer, and second electro-magnetic screen layer has an electroconductive resin, described the
Three electro-magnetic screen layers are carbon fiber layer.
It is preferred that, the metal screen layer is metal knitted nitride layer.
It is preferred that, the metal screen layer is metal foil layer.
It is preferred that, the screen layer has laminated film shape, and wherein metal foil overlaps second electro-magnetic screen layer
Electroconductive resin on, and the screen layer winds the insulating barrier.
It is preferred that, the winding spacing of the shielding line 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 the shielding line or equal to 2.0mm be less than or equal to 2.5mm.
It is preferred that, the insulating barrier is constituted by one layer, is foaming layer.
It is preferred that, the insulating barrier is constituted by two layers, and outer layer is solid layer, and internal layer is foaming layer.
It is preferred that, the insulating barrier is constituted by three layers, and outermost layer and innermost layer are solid layer, and centre is foaming layer
The utility model provides a kind of metal carbon fiber composite shielding cable, including：Inner conductor；Cover the inner conductor
Insulating barrier；Cover the screen layer of the insulating barrier；And the protective layer of the covering screen layer, wherein the screen layer includes
First electro-magnetic screen layer and the second electro-magnetic screen layer being set directly on the outside of the first battery screen layer and directly setting
The 3rd screen layer outside second electro-magnetic screen layer；First electro-magnetic screen layer is metal screen layer, second electricity
Magnetic masking layer is carbon fiber shielding layer, and the 3rd electro-magnetic screen layer has electroconductive resin.Compared with prior art, this practicality is new
The screen layer for the shielding line that type is provided includes metal level, carbon fiber layer, conductive resin layer successively, and the utility model makes shielding line
While with good interference free performance, additionally it is possible to ensure that shielding line has good mechanical property, preventing and treating shielding line folding
It is disconnected.
Brief description of the drawings
A kind of schematic diagram of the embodiment for the shielding line that Fig. 1 provides for the utility model.
Embodiment
As shown in figure 1, a kind of signal of embodiment of the metal carbon fiber shielding line provided for the utility model
Figure, including, only illustrated below with the embodiment, these explanations should not be construed to limitation of the present utility model.This reality
Include inner conductor 11 with the shielding line of new offer, inner conductor 11 can be by by a conductive core or many insulating coatings
Conductive core constitute, can also be mutually entwined by multiple conductive filaments, conductive core or conductive filament can select conducting metal material
Material, such as copper, aluminium can also select electrical conductivity alloy material, such as ormolu, Kufil, signal bronze.
Being covered in inner conductor surface has insulating barrier 12, according to the utility model, and insulating barrier can be constituted by one layer, for hair
Alveolar layer；It can also be two layers, outer layer is solid layer, and internal layer is foaming layer；It can also be three layers, outermost layer and innermost layer are solid
Layer, centre is foaming layer.The material of solid layer can be polytetrafluoroethylene (PTFE), coupling ethylene propylene rubber, the material of polyimides, to this
The utility model is not particularly limited.Foam degrees and foaming diameter in foaming layer, the utility model are not particularly limited,
Foam degrees are preferably 45-60%, more preferably 458-58；It is more excellent for the bubble diameter in foaming layer, preferably 20-70um
Elect 25-65um as.
It is screen layer outside insulating barrier, screen layer includes the first electro-magnetic screen layer 13, is set directly at first electromagnetism
The second electro-magnetic screen layer 14 on the outside of screen layer, the 3rd electromagnetic shielding being set directly at outside second electro-magnetic screen layer
Layer 15.
First electro-magnetic screen layer is metal knitted nitride layer or metal foil, and metal foil is copper or aluminium foil.Second electro-magnetic screen layer
For carbon fiber layer, third layer electro-magnetic screen layer has conductive resin layer, can be containing metal dust or with carbon materials
Resin.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 of screen layer
Heavy rain is less than or equal to 2.5mm equal to 2.0mm.When screen layer is wound, it is necessary to which three layers of screen layer are overlayed
It is wound simultaneously together.The winding spacing of screen layer has influence for the absorption and shielding of signal, therefore can not be excessive,
Can not be too small.
Outer protective layer 16 is made up of insulating materials, can be from materials such as polyethylene, polyamide, polypropylene, to this
Utility model is not particularly limited.In the utility model, insulating materials is preferably low density polyethylene (LDPE) (LDPE) and high density
Polyethylene (HDPE) is mixed.
The utility model compared with prior art, is provided with metal level and the compound shielding line of carbon fiber layer, carbon fiber tool
There are good flexibility and capability of electromagnetic shielding, therefore improve the anti-electromagnetic performance of shielding line, and good mechanics can be kept
Performance.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of metal carbon fiber composite shielding cable, including：
Inner conductor；
Cover the insulating barrier of the inner conductor；
Cover the screen layer of the insulating barrier；And
The protective layer of the screen layer is covered,
Wherein described screen layer includes the first electro-magnetic screen layer and be set directly on the outside of first electro-magnetic screen layer the
Two electro-magnetic screen layers and the 3rd electro-magnetic screen layer being set directly at outside second electro-magnetic screen layer；
First electro-magnetic screen layer is metal screen layer, and second electro-magnetic screen layer is carbon fiber shielding layer, the described 3rd
Electro-magnetic screen layer has electroconductive resin.
2. metal carbon fiber composite shielding cable according to claim 1, it is characterised in that the metal screen layer is metal
Braid layer.
3. metal carbon fiber composite shielding cable according to claim 1, it is characterised in that the 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, it is characterised in that the screen layer
With laminated film shape, wherein metal foil is overlapped on the electroconductive resin of second electro-magnetic screen layer, and the shielding
The layer winding insulating barrier.
5. metal carbon fiber composite shielding cable according to claim 4, it is characterised in that the winding spacing of the 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, it is characterised in that the winding spacing of the shielding line
Heavy rain is less than or equal to 2.5mm equal to 2.0mm.
7. the metal carbon fiber composite shielding cable according to any one of claims 1 to 3, it is characterised in that the 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, it is characterised in that the insulating barrier
Constituted by two layers, 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, it is characterised in that the insulating barrier
Constituted by three layers, outermost layer and innermost layer are solid layer, and centre is foaming layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381908.2U CN206460800U (en) | 2016-12-15 | 2016-12-15 | A kind of metal carbon fiber composite shielding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381908.2U CN206460800U (en) | 2016-12-15 | 2016-12-15 | A kind of metal carbon fiber composite shielding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460800U true CN206460800U (en) | 2017-09-01 |
Family
ID=59697705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621381908.2U Expired - Fee Related CN206460800U (en) | 2016-12-15 | 2016-12-15 | A kind of metal carbon fiber composite shielding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782802A (en) * | 2016-12-15 | 2017-05-31 | 耒阳市诚松新材料有限公司 | A kind of metal carbon fiber composite shielding cable |
-
2016
- 2016-12-15 CN CN201621381908.2U patent/CN206460800U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782802A (en) * | 2016-12-15 | 2017-05-31 | 耒阳市诚松新材料有限公司 | A kind of metal carbon fiber composite shielding cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20181215 |