CN102231301A - Tensile high-speed data cable - Google Patents
Tensile high-speed data cable Download PDFInfo
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- CN102231301A CN102231301A CN 201110193148 CN201110193148A CN102231301A CN 102231301 A CN102231301 A CN 102231301A CN 201110193148 CN201110193148 CN 201110193148 CN 201110193148 A CN201110193148 A CN 201110193148A CN 102231301 A CN102231301 A CN 102231301A
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Abstract
The invention discloses a tensile high-speed data cable, which comprises eight copper conductor pairs, a second insulating layer, a polyester tape layer, a second aluminum composite layer and a braided shielding layer, wherein the second insulating layer coats two copper conductor pairs of the eight copper conductor pairs; the other six copper conductor pairs in the eight copper conductor pairs are adhered to the second insulating layer; the polyester tape layer is coated on the other six copper conductor pairs in the eight copper conductor pairs; the second aluminum composite layer is coated on the polyester tape layer and consists of a polyester film layer and an aluminum film layer which is coated on the surface of the polyester film layer; the braided shielding layer is coated on an aluminum foil layer and comprises a plurality of strands of aramid fibers of which the sections are circular; a flat copper wire of which the section is rectangular and which is coated with a tin layer is lapped on the aramid fibers; and the braided shielding layer is braided by the plurality of strands of aramid fibers. By the high-speed data cable, the tensile fatigue resistance is improved, and the shielding performance of the cable is improved.
Description
Technical field
The present invention relates to the high-speed data cable field, be specifically related to a kind of stretch-proof high-speed data cable.
Background technology
The structure of existing high-speed data cable is an 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.Because product is to use as the hot plug cable, so require to have anti-flexural fatigue test.Common method of testing is got the long conductor of 60cm, with conductor material serial connection energisings such as cable conductor, braiding copper wire, ground wires, cable is clamped with the anchor clamps at 1 inch R angle at cable one end, at the other end lift heavy 500g of cable, with ± 90 degree, the frequency bending fixture of 20 times/min does not break after 2000 times, guarantees the continuity of electric signal.Because bending radius has only 3 times to cable size, conductor is subjected to certain stretching and extruding easily when bending.Especially braid shielded, the stretching and the extruding force that are subjected to are bigger, and copper wire very easily ruptures, and is that the signal transmission of product is unstable and even lose transfer function.
Summary of the invention
The object of the invention provides a kind of stretch-proof high-speed data cable, and this high-speed data cable had both improved the stretch-proof endurance, has also improved the shielding properties of cable simultaneously.
For achieving the above object, the technical solution used in the present invention is: a kind of stretch-proof high-speed data cable comprises: eight pairs of copper conductor lines are right, all outer first insulating barrier that covers of this copper conductor; 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 line between have a channelizing line as ground wire;
It is right that one second insulating barrier coats two pairs of copper conductor lines of described eight pairs of copper conductor line centerings, described eight pairs of copper conductor line centerings in addition six pairs of copper conductor lines to being covered on described second insulating barrier;
One polyester belt is coated on described eight pairs of copper conductor line centerings, and six pairs of copper conductor lines are right 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 woven shield is coated on described aluminium foil layer;
One restrictive coating is coated on described woven shield;
Described woven shield comprises that some bursts of cross sections are circular aramid fiber silk, and it is wrapped on this aramid fiber silk that a cross section is that rectangle is coated with the flat type copper wire of tin layer, and described woven shield some bursts of aramid fiber silk weavings is thus formed.
Related content in the technique scheme is explained as follows:
1. in the such scheme, described copper conductor surface is coated with a silver layer.
2. in the such scheme, described per share tinned wird is made up of at least one tinned copper wire.
Because the technique scheme utilization, the present invention compared with prior art has following advantage and effect:
1. the circular copper wire that the property of the corresponding specification of stretch-proof high-speed data cable of the present invention requires is machined to the rectangle flat type copper wire of Rack and thickness by rolling metal, by the wrapped machine of specialized high-speed copper cash the wrapped individual layer that forms on circular aramid fiber silk of flat type copper wire is dredged circular composite conductor around structure; Can adjust the D.C. resistance of circular composite conductor by wrapped density (the wrapped number of turns of the copper strap wire on the unit length), also can adjust the diameter of circular composite conductor by the specification of adjusting round bus, the thickness of flattening, the specification of aramid fiber silk.
2. secondly, the aramid fiber silk is to have superhigh intensity, high temperature resistant, acid and alkali-resistance, lightweight high-tech synthetic fibers, and its intensity is 5 ~ 6 times of steel wire, and elongation at break is little, increased the ability of the opposing external force of conductor greatly, especially effect is more obvious when bearing pulling force.Use this kind composite conductor to be used as braided wires, can effectively improve the fatigue bending characteristic of product.Can select the aramid fiber composite conductor of corresponding specification for use to the requirement of screen conductor DC resistance, the requirement of external diameter, the requirement of high-speed line finished product bending number of times according to high-speed data cable.
Description of drawings
Accompanying drawing 1 is the high-speed data cable structural representation of anti-electromagnetic interference;
Accompanying drawing 2 is an A place partial enlarged drawing in the accompanying drawing 1;
Accompanying drawing 3 is a woven shield structures of copper lines schematic diagram in the prior art;
Accompanying drawing 4 is a woven shield structural representation in the prior art;
Accompanying drawing 5 is coated with tin layer flat type copper wire structural representation for the present invention;
Accompanying drawing 6 is the aramid fiber silk structural representation of the wrapped flat type copper wire of the present invention;
Accompanying drawing 7 is the plan structure schematic diagram of accompanying drawing 6;
Accompanying drawing 8 is woven shield structural representation of the present invention.
In the above accompanying drawing: 1, the copper conductor line 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, woven shield; 12, restrictive coating; 13, aramid fiber silk; 14, tinned wird; 15, zinc-plated flat type copper wire; 16, tin layer.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: a kind of stretch-proof high-speed data cable comprises: eight pairs of copper conductor lines are to 1, and this copper conductor 2 all covers first insulating barrier 3 outward; 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 line have a channelizing line 5 as ground wire between 1;
It is right to two pairs of copper conductor lines in 1 that one second insulating barrier 6 coats described eight pairs of copper conductor lines, described eight pairs of copper conductor lines in 1 in addition six pairs of copper conductor lines to being covered on described second insulating barrier 6;
One polyester belt 7 is coated on described eight pairs of copper conductor line centerings, and six pairs of copper conductor lines are right 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;
One woven shield 11 is coated on described aluminium foil layer 8;
One restrictive coating 12 is coated on described woven shield 11;
Described woven shield 11 comprises that some bursts of cross sections are wrapped on this aramid fiber silk 13 for circular aramid fiber silk 13, one cross sections are that rectangle is coated with the flat type copper wire 15 of tin layer 16, and described woven shield 11 some bursts of aramid fiber silk 13 weavings is thus formed.
Above-mentioned copper conductor 2 surfaces are coated with a silver layer.
Above-mentioned per share tinned wird 14 is made up of at least one tinned copper wire
We can calculate the degree of depth of alternating current kelvin effect:
δ=1/sqrt（1/2*w*σ*μ）
Wherein, w is an ac frequency, and σ is the conductor conductivity, and μ is a conductor magnetic flux rate.As can be seen from the above, frequency is high more, and the kelvin effect degree of depth is more little.The transmission frequency of high speed data lines is up to 10GHz.More existing tinned wird braid, when diameter was identical, the composite braided use of composite conductor of the present invention is the copper busbar of small dimension more, can reach identical radioshielding effect.When using the circular copper wire of same size, the diameter of aramid fiber composite conductor is greater than existing circular copper wire, and according to the Penetration Signature of high-frequency signal, the big more shield effectiveness of shielding thickness is good more, that is to say that the shield effectiveness of aramid fiber composite conductor is better than traditional structure.
When simultaneously the flat type copper wire of aramid fiber composite conductor is wrapped, have the gap between the lenticular wire, there is sliding space in lenticular wire and can not be stretched or push when crooked, has increased the pliability and the fatigue bending characteristic of product.
The foregoing description 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 is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. stretch-proof high-speed data cable comprises: eight pairs of copper conductor lines are to (1), all outer first insulating barrier (3) that covers of this copper conductor (2); 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 line are to having a channelizing line as ground wire (5) between (1);
It is right to two pairs of copper conductor lines in (1) that one second insulating barrier (6) coats described eight pairs of copper conductor lines, described eight pairs of copper conductor lines in (1) in addition six pairs of copper conductor lines to being covered on described second insulating barrier (6);
One polyester belt (7) is coated on described eight pairs of copper conductor line centerings, and six pairs of copper conductor lines are right 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 woven shield (11) is coated on described aluminium foil layer (8);
One restrictive coating (12) is coated on described woven shield (11);
It is characterized in that: described woven shield (11) comprises that some bursts of cross sections are circular aramid fiber silk (13), one cross section is that the rectangle flat type copper wire (15) that is coated with tin layer (16) is wrapped on this aramid fiber silk (13), and described woven shield (11) some strands of aramid fiber silks (13) weaving is thus formed.
2. high-speed data cable according to claim 1 is characterized in that: described copper conductor (2) surface is coated with a silver layer.
3. high-speed data cable according to claim 1 is characterized in that: described per share tinned wird (14) is made up of at least one tinned copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193148 CN102231301A (en) | 2011-07-11 | 2011-07-11 | Tensile high-speed data cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193148 CN102231301A (en) | 2011-07-11 | 2011-07-11 | Tensile high-speed data cable |
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| Publication Number | Publication Date |
|---|---|
| CN102231301A true CN102231301A (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110193148 Pending CN102231301A (en) | 2011-07-11 | 2011-07-11 | Tensile high-speed data cable |
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| CN (1) | CN102231301A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723125A (en) * | 2012-07-02 | 2012-10-10 | 南京全信传输科技股份有限公司 | High-flexibility torsion-resistant anti-wave sleeve |
| CN103177814A (en) * | 2013-03-25 | 2013-06-26 | 浙江中天电线电缆有限公司 | Single-shielded twisted-pair data cable |
| CN103280267A (en) * | 2013-05-10 | 2013-09-04 | 天长市富信电子有限公司 | High-shielding tensile signal cable |
| CN106409402A (en) * | 2014-05-22 | 2017-02-15 | 江苏亨通线缆科技有限公司 | Soft cable used for industrial robot |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125138A (en) * | 1996-10-16 | 1998-05-15 | Harness Sogo Gijutsu Kenkyusho:Kk | Combination structure for shielded 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 |
| CN101834033A (en) * | 2010-05-24 | 2010-09-15 | 常熟泓淋电线电缆有限公司 | Data transmission cable |
| CN201689724U (en) * | 2010-06-11 | 2010-12-29 | 天津亿鑫通科技股份有限公司 | Multi-core ocean towing cable |
-
2011
- 2011-07-11 CN CN 201110193148 patent/CN102231301A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125138A (en) * | 1996-10-16 | 1998-05-15 | Harness Sogo Gijutsu Kenkyusho:Kk | Combination structure for shielded 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 |
| CN101834033A (en) * | 2010-05-24 | 2010-09-15 | 常熟泓淋电线电缆有限公司 | Data transmission cable |
| CN201689724U (en) * | 2010-06-11 | 2010-12-29 | 天津亿鑫通科技股份有限公司 | Multi-core ocean towing cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723125A (en) * | 2012-07-02 | 2012-10-10 | 南京全信传输科技股份有限公司 | High-flexibility torsion-resistant anti-wave sleeve |
| CN103177814A (en) * | 2013-03-25 | 2013-06-26 | 浙江中天电线电缆有限公司 | Single-shielded twisted-pair data cable |
| CN103280267A (en) * | 2013-05-10 | 2013-09-04 | 天长市富信电子有限公司 | High-shielding tensile signal cable |
| CN106409402A (en) * | 2014-05-22 | 2017-02-15 | 江苏亨通线缆科技有限公司 | Soft cable used for industrial robot |
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Application publication date: 20111102 |