CN105913958A - Anti-electromagnetic-interference shielded wire cable and preparation method - Google Patents
Anti-electromagnetic-interference shielded wire cable and preparation method Download PDFInfo
- Publication number
- CN105913958A CN105913958A CN201610322842.8A CN201610322842A CN105913958A CN 105913958 A CN105913958 A CN 105913958A CN 201610322842 A CN201610322842 A CN 201610322842A CN 105913958 A CN105913958 A CN 105913958A
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- China
- Prior art keywords
- layer
- conductive
- screen layer
- insulating barrier
- braid
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- 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.)
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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
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses an anti-electromagnetic-interference shielded wire cable and a preparation method. The anti-electromagnetic-interference shielded wire cable comprises a conductive layer, an insulating layer, a shielding layer, an outer protection sleeve and a braided layer, wherein the conductive layer is coated with the insulating layer and, the insulating layer is coated with a shielding layer, the shielding layer is coated with the outer protection sleeve, the braided layer is arranged between the shielding layer and the outer protection sleeve, and the conductive layer, the insulating layer, the shielding layer, the outer protection sleeve and the braided layer are coaxially arranged. The conductive layer is composed of one conductive core or a plurality of conductive cores with insulating coating layers, or formed by twisting a plurality of conductive wires; and the conductive core or the conductive wires each adopt a conductive metal material or a conductive alloy material. The insulating layer is made of polytetrafluoroethylene, or crosslinking ethylene propylene rubber, or polyimide. The braided layer selects a fiber braided layer or a steel wire braided layer. The outer protection sleeve is made of insulating materials. The shielding layer adopts a flexible electromagnetic shielding material. The anti-electromagnetic-interference shielded wire cable has the advantages of being light in weight, low in cost and the like, and is convenient for long-distance erection.
Description
Technical field
The present invention relates to cable, the shielded cable of a kind of electromagnetism interference and the preparation method of shielding material.
Background technology
Electromagnetic shielding cable is signal transmssion line material more conventional in electronic industry.Conventional wire cable is internally provided with two and leads
Body, inner wire is in order to transmitting telecommunication number, and outer conductor is in order to shield, so that cable has electro-magnetic screen function.Screen layer
Generally use the braiding of multiply metal wire to form or be made up of overall copper pipe.There is cost height, weight greatly in above-mentioned polymeric barrier layer materials,
It is difficult to the problems such as remote erection.
Application publication number CN103456412A, discloses a kind of shielded cable Shen Qing Publication day 2013.12.18, and it includes
One conductive core line, described conductive core line is coated with one first insulating barrier, and described insulating barrier is externally provided with a metal screen layer,
Described metal screen layer outer cladding one second insulating barrier, the most described metal screen layer can effectively shield electromagnetic wave or outer
The interference of sector signal so that described shielded cable has good shield effectiveness, and described second insulating barrier is to described metal
Screen layer plays a protective role, and prevents described metal screen layer to be destroyed.But this cable structurally, in weight, become
Basis is the most first-class all exists area for improvement.
Summary of the invention
It is an object of the invention to provide shielded cable and the preparation method of a kind of electromagnetism interference, there is lightweight, cost
The advantage such as low, it is easy to set up at a distance.
In order to reach above-mentioned purpose, present invention employs following technical scheme, the shielded cable of a kind of electromagnetism interference, bag
Include conductive layer, insulating barrier, the outer protective jacket of screen layer, described conductive layer outer cladding insulating barrier, insulating barrier outer cladding screen layer,
The outer protective jacket of screen layer outer cladding, also includes that braid, described braid are arranged between screen layer and outer protective jacket, institute
State conductive layer, insulating barrier, screen layer, braid, outer protective jacket for being coaxially disposed.
Described conductive layer is made up of the conductive core of a conductive core or many insulating coatings or mutual by multiple conductive filaments
It is entwined；Described conductive core or conductive filament select conductive metallic material or electrical conductivity alloy material.
The material selection politef of described insulating barrier or coupling ethylene propylene rubber or polyimides.
Described braid selects fiber braiding layer or steel wire braid.
Described outer protective jacket is made up of insulant.
Described screen layer uses flexible electromagnetic shielding material.
A kind of preparation method of flexible electromagnetic shielding material, step one: base material is carried out under vacuum pre-treatment, institute
State pre-treatment and include that plasma bombardment or sided corona treatment, described base material include terylene or chinlon or mylar or polyamides
Imines thin film；
Step 2: use metal lining on physical gas phase deposition technology base material after pre-treatment under vacuum conditions, described
Physical gas phase deposition technology includes that vacuum evaporation or ion plating or magnetron sputtering, described metal include copper or nickel or silver or alloy；
Step 3: use electroplating technology fabric face metal lining copper after step 2 processes or nickel or iron-nickel alloy or nickel
Cobalt alloy or signal bronze.
The post processing to be carried out of described flexible electromagnetic shielding material, described post processing includes that polyurethane processes.
Compared to prior art, the method have the advantages that
The present invention uses flexible electromagnetic shielding material as electro-magnetic screen layer, and this flexible electromagnetic shielding material uses vacuum to steam
The modes such as plating, magnetron sputtering, plating, chemical plating are in substrate surface plated copper, silver, ferrum, nickel, iron-nickel alloy, nickel cobalt
The metal or alloy such as alloy, utilize the high conductivity of metal level and magnetic conductivity to realize wideband shielding from low to high, with
Time due to this flexible electromagnetic shielding material, to have lightweight, low cost etc. compared with traditional copper pipe or metal wire knitted material excellent
Point, it is easy to set up at a distance.
Accompanying drawing explanation
Fig. 1 is one of them the structural representation of embodiment of the present invention；
Fig. 2 is the structural representation of another embodiment of the present invention.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides reference and says
Bright it is used, is not used for the present invention is any limitation as.
Embodiment 1:
As shown in Figure 1, the shielded cable of a kind of electromagnetism interference is coaxial cable, including one layer of conductive layer 10, cladding
Insulating barrier 11 outside conductive layer 10, the screen layer 12 being coated on outside insulating barrier 11, it is coated on the volume outside screen layer 12
Tissue layer 13 and the outer protective jacket 14 being coated on outside braid 13.Wherein, conductive layer 10, insulating barrier 11, screen layer 12,
Braid 13, outer protective jacket 14 are for being coaxially disposed.
Described conductive layer 10 can be made up of the conductive core of a conductive core or many insulating coatings, it is also possible to by multiple
Conductive filament is mutually entwined.Conductive core or conductive filament can select conductive metallic material, such as copper, aluminum etc., it is possible to select
Electrical conductivity alloy material, such as ormolu, Kufil, signal bronze etc..
Described insulating barrier 11, for electric insulation, can select politef, coupling ethylene propylene rubber, polyimides etc.
Insulant；
Described screen layer 12 uses flexible electromagnetic shielding material, and this flexible electromagnetic shielding material is adopted and prepared with the following method:
Step one: dacron carries out pre-treatment under vacuum, and described pre-treatment includes plasma bombardment, electricity
The methods such as dizzy process, described base material includes terylene, chinlon, mylar, Kapton etc.；
Step 2: use metal lining on physical gas phase deposition technology base material after pre-treatment under vacuum conditions, described
Physical gas phase deposition technology includes the technology such as vacuum evaporation, ion plating, magnetron sputtering, and described metal includes copper, nickel, silver
Deng metal or alloy；
Step 3: use electroplating technology substrate surface metal lining copper after step 2 processes, nickel, iron-nickel alloy, nickel
The metal or alloy such as cobalt alloy, signal bronze；
Described flexible electromagnetic shielding material also can use the method such as chemical plating, single physical gas phase deposition technology to prepare.
Described flexible electromagnetic shielding material is also by post processing, to give material salt fog resistance performance, corrosion resistance, hydrophobic
The performances such as property, described post-processing approach includes the methods such as polyurethane process.
Described braid 13 can be selected for fiber braiding layer, steel wire braid etc..
Described outer protective jacket 14 is made up of insulant, can be selected for the materials such as polyethylene, polyamide, polypropylene.
Embodiment 2:
As shown in Figure 2, the shielded cable of a kind of electromagnetism interference includes multiple conductive layer 20, each conductive layer outer cladding
One layer insulating 21 and one layer of screen layer 22, and the braid 23 that is coated on outside multiple conductive layer and be coated on braid
Outer protective jacket 24 outside 23.Each conductive layer 20 is carried out individually shielded by screen layer 22, is possible not only to prevent foeign element
To the interference of conductive layer 20 internal transmission signal and occur when being possible to prevent between each conductive layer to transmit unlike signal is dry
Disturb.The most each conductive layer 20, insulating barrier 21, screen layer 22, braid 23, outer protective jacket 24 are constituted and preparation side
Method is identical with embodiment one.
The foregoing is only presently preferred embodiments of the present invention, be not used to limit the scope of the claims of the present invention, other use this
The equivalence change of bright patent spirit, all should all belong to the scope of the claims of the present invention.
Claims (8)
1. the shielded cable of an electromagnetism interference, including conductive layer, insulating barrier, the outer protective jacket of screen layer, described conductive layer outer cladding insulating barrier, insulating barrier outer cladding screen layer, the outer protective jacket of screen layer outer cladding, it is characterised in that also include braid, described braid is arranged between screen layer and outer protective jacket, and described conductive layer, insulating barrier, screen layer, braid, outer protective jacket are for being coaxially disposed.
The shielded cable of a kind of electromagnetism interference the most according to claim 1, it is characterised in that described conductive layer is made up of the conductive core of a conductive core or many insulating coatings or is mutually entwined by multiple conductive filaments；Described conductive core or conductive filament select conductive metallic material or electrical conductivity alloy material.
The shielded cable of a kind of electromagnetism interference the most according to claim 1, it is characterised in that the material selection politef of described insulating barrier or coupling ethylene propylene rubber or polyimides.
The shielded cable of a kind of electromagnetism interference the most according to claim 1, it is characterised in that described braid selects fiber braiding layer or steel wire braid.
The shielded cable of a kind of electromagnetism interference the most according to claim 1, it is characterised in that described outer protective jacket is made up of insulant.
The shielded cable of a kind of electromagnetism interference the most according to claim 5, it is characterised in that described screen layer uses flexible electromagnetic shielding material.
7. the preparation method of a flexible electromagnetic shielding material, it is characterised in that:
Step one: base material carries out pre-treatment under vacuum, described pre-treatment includes that plasma bombardment or sided corona treatment, described base material include terylene or chinlon or mylar or Kapton；
Step 2: use metal lining on physical gas phase deposition technology base material after pre-treatment under vacuum conditions, described physical gas phase deposition technology includes that vacuum evaporation or ion plating or magnetron sputtering, described metal include copper or nickel or silver or alloy；
Step 3: use electroplating technology substrate surface metal lining copper after step 2 processes or nickel or iron-nickel alloy or nickel cobalt (alloy) or signal bronze.
The preparation method of a kind of flexible electromagnetic shielding material the most according to claim 7, it is characterised in that described flexible electromagnetic shielding material post processing to be carried out, described post processing includes that polyurethane processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322842.8A CN105913958B (en) | 2016-05-13 | 2016-05-13 | The shielded cable and preparation method of a kind of electromagnetism interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322842.8A CN105913958B (en) | 2016-05-13 | 2016-05-13 | The shielded cable and preparation method of a kind of electromagnetism interference |
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| Publication Number | Publication Date |
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| CN105913958A true CN105913958A (en) | 2016-08-31 |
| CN105913958B CN105913958B (en) | 2017-09-19 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330447A (en) * | 2018-01-16 | 2018-07-27 | 广东鑫丰海电子科技有限公司 | A kind of takeup type PVD physics deposition vacuum magnetron sputtering silver-plated copper alloy layer method |
| CN109097749A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097750A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097748A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097772A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097751A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109390092A (en) * | 2018-09-14 | 2019-02-26 | 华东师范大学 | A kind of electromagnetic shielded cable and preparation method thereof |
| CN109754943A (en) * | 2017-11-01 | 2019-05-14 | 上海昕讯微波科技有限公司 | A kind of improved aviation aerospace cable and production technology |
| CN114758838A (en) * | 2021-01-11 | 2022-07-15 | 上海乔辉新材料科技有限公司 | Manufacturing method of silver-plated wire |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109754943A (en) * | 2017-11-01 | 2019-05-14 | 上海昕讯微波科技有限公司 | A kind of improved aviation aerospace cable and production technology |
| CN109097749A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097750A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097748A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097772A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN109097751A (en) * | 2017-12-15 | 2018-12-28 | 深圳科诺桥科技股份有限公司 | The preparation method of flexibility coat copper plate |
| CN108330447A (en) * | 2018-01-16 | 2018-07-27 | 广东鑫丰海电子科技有限公司 | A kind of takeup type PVD physics deposition vacuum magnetron sputtering silver-plated copper alloy layer method |
| CN109390092A (en) * | 2018-09-14 | 2019-02-26 | 华东师范大学 | A kind of electromagnetic shielded cable and preparation method thereof |
| CN114758838A (en) * | 2021-01-11 | 2022-07-15 | 上海乔辉新材料科技有限公司 | Manufacturing method of silver-plated wire |
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