CN102243905B - High-speed data cable with anti-electromagnetic interference - Google Patents
High-speed data cable with anti-electromagnetic interference Download PDFInfo
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- CN102243905B CN102243905B CN 201110192952 CN201110192952A CN102243905B CN 102243905 B CN102243905 B CN 102243905B CN 201110192952 CN201110192952 CN 201110192952 CN 201110192952 A CN201110192952 A CN 201110192952A CN 102243905 B CN102243905 B CN 102243905B
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Abstract
The invention discloses a high-speed data cable with anti-electromagnetic interference, and the high-speed data cable comprises eight copper conductor pairs, wherein a second insulating layer covers the two copper conductor pairs among the eight copper conductor pairs; the other six copper conductor pairs are bonded on the second insulating layer; a polyester band layer is covered on the other six copper conductor pairs in the eight copper conductor pairs; a second aluminum-plastic composite layer is covered on the polyester band layer; the second aluminum-plastic composite layer comprises a polyester membrane layer and an aluminum membrane layer which is externally covered on the surface of the polyester membrane layer; the other surface of the polyester membrane layer of the second aluminum-plastic composite layer is coated with a low-temperature hot melt adhesive layer; a first single side of the second aluminum-plastic composite layer is provided with a folding layer; the folding layer is positioned on the upper surface of a second single side of the second aluminum-plastic composite layer; and the aluminum membrane layer of the folding layer is in electric contact with the aluminum membrane layer of the second single side of the second aluminum-plastic composite layer. The high-speed data cable disclosed by the invention can form a totally-enclosed shielding structure and can effectively resist the EMI (Electro-Magnetic Interference) interference of a total frequency range.
Description
Technical field
The present invention relates to the high-speed data cable field, be specifically related to a kind of high-speed data cable of anti-electromagnetic interference.
Background technology
The structure of existing high-speed data cable is extrusion foaming polyolefin insulation on silver-plated annealed copper wire conductor, thoroughly does away with wrapped aluminium-plastic tape formation shielded pair outside the edge heart yearn two.Behind a plurality of shielded pairs set strandings, wrapped non-hygroscopic insulating tape, aluminium-plastic tape (aluminium lamination is outwardly) outside cable core, tin annealed copper wire braid shielded then, PVC material oversheath.High-speed data cable in use can produce high-intensity electromagnetic radiation, also reaches the electromagnetic interference (EMI) that is vulnerable to space outerpace simultaneously, and traditional total shielding construction is to use aluminium-plastic tape to add the tin annealed copper wire braiding structure.Aluminium-plastic tape adopts wrapped structure (aluminium faces outer).Plastic-aluminum combined layer is to be undertaken bonding by glue layer aluminum film layer and laminated polyester film.It simultaneously is aluminum film layer, and another side is laminated polyester film, and the aluminum film layer that the wrapped contact-making surface of putting up is internal layer contacts with outer field laminated polyester film, does not form the metallic shield structure of complete closed type.Because product is that the mobile requirement of using is arranged, when product is repeatedly crooked, plastic-aluminum combined layer is taken and is easy to generate the gap between the layer, is easy to generate leakage or disturbed by extraneous EMI in the high-frequency signal transmission course, thereby be not completed into case type metallic shield structure.
Summary of the invention
The object of the invention provides a kind of high-speed data cable of anti-electromagnetic interference, and this high-speed data cable can form totally enclosed shielding construction, and the EMI that can effectively resist full frequency band disturbs.
For achieving the above object, the technical solution used in the present invention is: a kind of high-speed data cable of anti-electromagnetic interference comprises: eight pairs of copper conductors are right, and this copper conductor is outer first insulating barrier that covers all; Described each copper conductor is to all being coated with one first plastic-aluminum combined layer separately; This first plastic-aluminum combined layer and described copper conductor between have a channelizing line as ground wire;
It is right that one second insulating barrier coats two pairs of copper conductors of described eight pairs of copper conductor centerings, described eight pairs of copper conductor centerings in addition six pairs of copper conductors to being covered on described second insulating barrier;
One polyester belt is coated on described eight pairs of copper conductor centerings six pairs of copper conductors in addition;
One second plastic-aluminum combined layer is coated on described polyester belt, and this second plastic-aluminum combined layer is by laminated polyester film and be overlying on laminated polyester film Al thin film layer outward and form;
One tincopper fuse wire braided armor is coated on described aluminium foil layer;
One restrictive coating is coated on described tincopper fuse wire braided armor;
Another surface-coated one low temperature hot melt adhesive layer of laminated polyester film of the described second plastic-aluminum combined layer, this second plastic-aluminum combined layer first is monolateral to have a foldable layer, and this foldable layer is positioned at the described second plastic-aluminum combined layer second monolateral upper surface; The monolateral aluminum film layer of the aluminum film layer of this foldable layer and the described second plastic-aluminum combined layer second electrically contacts, and the laminated polyester film of this foldable layer is by described low temperature hot melt adhesive layer and second plastic-aluminum combined layer of first monolateral bonding connection of laminated polyester film.
Related content in the technique scheme is explained as follows:
1. in the such scheme, described copper conductor surface is silver coated.
2. in the such scheme, described tincopper fuse wire braided armor is formed by some bursts of tinned wird braidings, and described per share tinned wird is made up of at least one tinned copper wire.
3. in the such scheme, the laminated polyester film that the described second plastic-aluminum combined layer first is monolateral; Bonding by low temperature hot melt adhesive layer between the monolateral aluminum film layer of the second plastic-aluminum combined layer second
Because technique scheme is used, the present invention compared with prior art has following advantage and effect:
The high-speed data cable of the anti-electromagnetic interference of the present invention can disturb by EMI suppression, its use plastic-aluminum combined
LayerLaminated polyester film surface-coated one deck low temperature hot melt adhesive, then by special production tool and production technology, be that band is monolateral folding in the coating process of plastic-aluminum combined layer, make plastic-aluminum combined layer in the aluminium face of overlapping and docking of aluminium face, form totally enclosed aluminum pipe shielding layer structure, secondly, in the sheath extrusion, cable core is heat-treated, by the temperature and pressure of sheath, make the metal tape screen form stable totally enclosed EMI suppression interference structure, again simultaneously, adjust plastic-aluminum combined layer aluminum film layer thickness according to the frequency of utilization of product, the EMI that can effectively resist full frequency band disturbs.
Description of drawings
Accompanying drawing 1 is the high-speed data cable structural representation of the anti-electromagnetic interference of the present invention;
Accompanying drawing 2 is A place partial enlarged drawing in the accompanying drawing 1;
In the above accompanying drawing: 1, copper conductor is right; 2, copper conductor; 3, first insulating barrier; 4, the first plastic-aluminum combined layer; 5, channelizing line; 6, second insulating barrier; 7, polyester belt; 8, the second plastic-aluminum combined layer; 9, laminated polyester film; 10, aluminum film layer; 11, tincopper fuse wire braided armor; 12, restrictive coating; 13, foldable layer; 14, glue layer; 15, low temperature hot melt adhesive layer; 16, first is monolateral; 17, second is monolateral.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: a kind of high-speed data cable of anti-electromagnetic interference as shown in drawings, comprising: eight pairs of copper conductors are to 1, and this copper conductor 2 is outer first insulating barrier 3 that covers all; 2 pairs of described each copper conductors all are coated with one first plastic-aluminum combined layer 4 separately; This first plastic-aluminum combined layer 4 and described copper conductor have a channelizing line 5 as ground wire between 1;
It is right to two pairs of copper conductors in 1 that one second insulating barrier 6 coats described eight pairs of copper conductors, described eight pairs of copper conductors in 1 in addition six pairs of copper conductors to being covered on described second insulating barrier 6;
One polyester belt 7 is coated on described eight pairs of copper conductor centerings six pairs of copper conductors in addition;
One second plastic-aluminum combined layer 8 is coated on described polyester belt 7, and this second plastic-aluminum combined layer 8 is by laminated polyester film 9 and be overlying on laminated polyester film 9 Al thin film layers 10 outward and form, and this laminated polyester film 9 and aluminum film layer 10 are by 14 bonding connections of glue layer;
One tincopper fuse wire braided armor 11 is coated on described aluminium foil layer 8;
One restrictive coating 12 is coated on described tincopper fuse wire braided armor 11;
Laminated polyester film 9 another surface-coated one low temperature hot melt adhesive layers 15 of the above-mentioned second plastic-aluminum combined layer 8, this second plastic-aluminum combined layer 8 first monolateral 16 has a foldable layer 13, and this foldable layer 13 is positioned at described second plastic-aluminum combined layer 8 second monolateral 17 upper surface; The aluminum film layer 10 of this foldable layer 13 electrically contacts with the aluminum film layer 10 of the described second plastic-aluminum combined layer 8 second monolateral 17, and the laminated polyester film 9 of this foldable layer 13 is by laminated polyester film 9 bonding are connected of described low temperature hot melt adhesive layer 15 with the second plastic-aluminum combined layer 8 first monolateral 16.
Above-mentioned copper conductor 2 surfaces are silver coated.
Above-mentioned tincopper fuse wire braided armor 11 is formed by some bursts of tinned wird braidings, and described per share tinned wird is made up of at least one tinned copper wire.
The laminated polyester film 9 of the above-mentioned second plastic-aluminum combined layer 8 first monolateral 16; Bonding by low temperature hot melt adhesive layer 15 between the aluminum film layer 10 of the second plastic-aluminum combined layer 8 second monolateral 17.
Laminated polyester film 9 surface-coated one deck low temperature hot melt adhesive layers 15 of plastic-aluminum combined layer, then by special production tool and production technology, be that band is monolateral folding in the coating process of plastic-aluminum combined layer, thereby form foldable layer 13, make plastic-aluminum combined layer contact butt joint at overlapping aluminum film layer 10 with aluminum film layer 10, form totally enclosed aluminum pipe shielding construction.In the sheath extrusion, cable core is heat-treated, by the temperature and pressure of sheath, make the metal tape screen form stable totally enclosed EMI suppression interference structure simultaneously.Adjust the thickness of the aluminum metal layer of plastic-aluminum combined layer according to the frequency of utilization of product, the EMI that can effectively resist full frequency band disturbs.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1. the high-speed data cable of an anti-electromagnetic interference comprises: eight pairs of copper conductors are to (1), and this copper conductor (2) is outer first insulating barrier (3) that covers all; Described each copper conductor (2) is to all being coated with one first plastic-aluminum combined layer (4) separately; This first plastic-aluminum combined layer (4) and described copper conductor are to having a channelizing line as ground wire (5) between (1);
It is right to two pairs of copper conductors in (1) that one second insulating barrier (6) coats described eight pairs of copper conductors, described eight pairs of copper conductors in (1) in addition six pairs of copper conductors to being covered on described second insulating barrier (6);
One polyester belt (7) is coated on described eight pairs of copper conductor centerings six pairs of copper conductors in addition;
One second plastic-aluminum combined layer (8) is coated on described polyester belt (7), and this second plastic-aluminum combined layer (8) is by laminated polyester film (9) and be overlying on laminated polyester film (9) Al thin film layer (10) outward and form;
One tincopper fuse wire braided armor (11) is coated on the described second plastic-aluminum combined layer (8);
One restrictive coating (12) is coated on described tincopper fuse wire braided armor (11);
It is characterized in that: another surface-coated one low temperature hot melt adhesive layer (15) of laminated polyester film (9) of the described second plastic-aluminum combined layer (8), these second plastic-aluminum combined layer (8) first monolateral (16) have a foldable layer (13), and this foldable layer (13) is positioned at described second plastic-aluminum combined layer (8) second monolateral (17) upper surface; The aluminum film layer (10) of this foldable layer (13) electrically contacts with the aluminum film layer (10) of the described second plastic-aluminum combined layer (8) second monolateral (17), and the laminated polyester film (9) of this foldable layer (13) is by laminated polyester film (9) bonding be connected of described low temperature hot melt adhesive layer (15) with the second plastic-aluminum combined layer (8) first monolateral (16); The laminated polyester film (9) of the described second plastic-aluminum combined layer (8) first monolateral (16); Bonding by low temperature hot melt adhesive layer (15) between the aluminum film layer (10) of the second plastic-aluminum combined layer (8) second monolateral (17);
Described copper conductor (2) surface is silver coated; Described tincopper fuse wire braided armor (11) is formed by some bursts of tinned wird braidings, and described per share tinned wird is made up of at least one tinned copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110192952 CN102243905B (en) | 2011-07-11 | 2011-07-11 | High-speed data cable with anti-electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110192952 CN102243905B (en) | 2011-07-11 | 2011-07-11 | High-speed data cable with anti-electromagnetic interference |
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| Publication Number | Publication Date |
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| CN102243905A CN102243905A (en) | 2011-11-16 |
| CN102243905B true CN102243905B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110192952 Active CN102243905B (en) | 2011-07-11 | 2011-07-11 | High-speed data cable with anti-electromagnetic interference |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741925A (en) * | 2016-01-14 | 2016-07-06 | 东莞市蓝姆材料科技有限公司 | Double-sided conducting metal foil film belt and cable employing same |
| CN105788707A (en) * | 2016-03-09 | 2016-07-20 | 虞家桢 | Copper plastic composite belt and fabrication method thereof |
| CN110691549B (en) * | 2019-07-17 | 2022-07-22 | 诺尔医疗（深圳）有限公司 | Intracranial deep electrode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005174598A (en) * | 2003-12-08 | 2005-06-30 | Fujikura Ltd | High-frequency coaxial cable |
| CN2833809Y (en) * | 2005-10-26 | 2006-11-01 | 苏州科宝光电科技有限公司 | High frequency data communication cable |
| CN101447244A (en) * | 2008-12-23 | 2009-06-03 | 安徽华菱电缆集团有限公司 | High tensile and bend resistant movables cable conductor |
| CN201489877U (en) * | 2009-08-26 | 2010-05-26 | 安徽华峰电缆集团有限公司 | Tensible flexible control cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3088998B2 (en) * | 1997-12-15 | 2000-09-18 | 中島通信機工業株式会社 | Metal cable |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005174598A (en) * | 2003-12-08 | 2005-06-30 | Fujikura Ltd | High-frequency coaxial cable |
| CN2833809Y (en) * | 2005-10-26 | 2006-11-01 | 苏州科宝光电科技有限公司 | High frequency data communication cable |
| CN101447244A (en) * | 2008-12-23 | 2009-06-03 | 安徽华菱电缆集团有限公司 | High tensile and bend resistant movables cable conductor |
| CN201489877U (en) * | 2009-08-26 | 2010-05-26 | 安徽华峰电缆集团有限公司 | Tensible flexible control cable |
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| CN102243905A (en) | 2011-11-16 |
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