CN104036873B - It is adapted to the shielding data cable of alternating bending - Google Patents
It is adapted to the shielding data cable of alternating bending Download PDFInfo
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- CN104036873B CN104036873B CN201410218966.2A CN201410218966A CN104036873B CN 104036873 B CN104036873 B CN 104036873B CN 201410218966 A CN201410218966 A CN 201410218966A CN 104036873 B CN104036873 B CN 104036873B
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- insulated wire
- copper conductor
- polytetrafluoroethylene floor
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Abstract
The present invention discloses a kind of shielding data cable of suitable alternating bending, including eight copper conductor units and aramid fiber reinforcer, and copper conductor unit includes aramid fiber, inner conducting layer and the outer conductor layer positioned at center；Four symmetrical insulated wire pair twists form cable core together in the aramid fiber reinforcer outer surface；The vertical bag cable core outer surface of one second polytetrafluoroethylene floor, gap is filled with some cotton yarns between the second polytetrafluoroethylene floor and four symmetrical insulated wires pair；One cotton fiber line is wound in the second polytetrafluoroethylene floor outer surface and forms buffering sliding layer, this cotton fiber line winding direction and four symmetrical insulated wire strands are in opposite direction, and some one metal wires are abreast wound in the buffering sliding layer outer surface and form metal screen layer；Some one metal wires are abreast wound in the buffering sliding layer outer surface and form metal screen layer, and wire outer surface is surrounded with the 3rd teflin tape in this metal screen layer.Data cable coefficient of friction of the present invention is small, soft stretch-proof, produce without frictional static, it is frequently mobile after still can guarantee that structurally and electrically stable performance.
Description
Technical field
The present invention relates to a kind of data cable, more particularly to a kind of shielding data cable of suitable alternating bending.
Background technology
The structure of traditional shield type data cable is wrapped one layer of polyester belt to gathering by 4 groups of symmetric signal lines, then
The wrapped one layer aluminium-plastic tape for being used to shield, outer layer extrusion PVC or other plastic covering layers.Symmetric signal is to being by two copper
The insulated wire set that high-density polyethylene layer is coated with outside conductor forms.Properties of product meet TIA/EIA568B.2 specification
It is required that.To solve electric property attenuation problem and electromagnetic interference problem under lower frequency, some product designs are plastic-aluminum combined
Band one layer of brass wire shielding of outer braid.For requiring mobile shield type data cable, the conductor of symmetric signal pair is replaced by
More copper stranded conductors.The data cable of this kind of structure can ensure transmission performance in fixed laying and mobile occasion use.
But for mechanical arm etc. frequently in the environment of movement, environmental condition rather harsh, the performance reliability of such product cannot
Meet to require, by the movement of hundreds of times, the problems such as conductor break, decay increase, interference free performance decline just occurs.Moving
In dynamic process, friction be present between insulation, between insulation and outer layer band, shielding, on the one hand easily produce electrostatic, cause letter
Number interference, while frequently rubbing can also cause the mechanical and physical performance of insulating materials to decline.In general mechanical arm can all require
The movement of more than 100000 times, if the influence of the slip of cable core structure can not be solved, it is impossible to solve product endurance and shielding is steady
The problem of qualitative, the signal transmission demand of mechanical arm cannot be ensured.In this point, traditional cable structure is it is difficult to ensure that meet
It is required that.
A kind of data cable how is designed, signal transmission guarantor during the type frequently reciprocating of more than 100,000 times can be ensured
Card is stable, turns into the direction of those skilled in the art's effort.
The content of the invention
The present invention provides a kind of shielding data cable of suitable alternating bending, and this is adapted to the shielding data cable of alternating bending
Coefficient of friction is small, soft stretch-proof, produce without frictional static, it is frequently mobile after still can guarantee that constitutionally stable data cable,
Cable tensile strength improves 50%, and counter-bending number lifts 300 ~ 500%, 10000 bending attenuation change values and is less than 2%.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of shielding data cable of suitable alternating bending,
Including：Eight copper conductor units and aramid fiber reinforcer, this copper conductor unit outer surface are coated with insulation polypropylene layer, and the copper is led
Body unit includes the aramid fiber positioned at center, is twisted by some in the first copper conductor of aramid fiber outer surface forms
Conductive layer, it is twisted by some second copper conductors and forms outer conductor layer in inner conducting layer outer surface；
Eight copper conductor units two-by-two be twisted formed the symmetrical insulated wire pair of first, second, third and fourth and each
Outer surface is surrounded with the first teflin tape, and the symmetrical insulated wire pair twist of first, second, third and fourth is together in described
Aramid fiber reinforcer outer surface forms cable core；
The vertical bag cable core outer surface of one second polytetrafluoroethylene floor, second polytetrafluoroethylene floor and first, second,
Gap is filled with some cotton yarns between third and fourth symmetrical insulated wire pair；
One cotton fiber line is wound in the second polytetrafluoroethylene floor outer surface and forms buffering sliding layer, and this cotton fiber line twines
It is in opposite direction with the symmetrical insulated wire strand of first, second, third and fourth around direction；
Some one metal wires are abreast wound in the buffering sliding layer outer surface and form metal screen layer, this metallic shield
Wire outer surface is surrounded with the 3rd teflin tape in layer, and this 3rd polytetrafluoroethylene (PTFE) belt winding direction is fine with the cotton
It is opposite to tie up line winding direction；
One external sheath layer is coated on the 3rd polytetrafluoroethylene floor outer surface.
Further improved technology scheme is as follows in above-mentioned technical proposal：
In such scheme, the cotton fiber line is dredged and is around in the second polytetrafluoroethylene floor outer surface.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. the shielding data cable of the suitable alternating bending of the present invention, the symmetrical insulated wire of its first, second, third and fourth
The first teflin tape is surrounded with to respective outer surface and is twisted and forms cable core, the vertical bag cable of the second polytetrafluoroethylene floor
Core outer surface, in frequently BENDING PROCESS, overcome the symmetrical insulated wire of first, second, third and fourth and respective copper is led
The distance between body unit and pitch change, so as to cause the change of electric property；And frequently in BENDING PROCESS, the
First, second, third and the 4th symmetrical insulated wire are surrounded with the first teflin tape, and the second polytetrafluoro to respective outer surface
Pvdf layer is by indulging symmetrical insulated wire pair of the packet mode cladding with four the first teflin tapes, due to the first polytetrafluoroethyl-ne
Alkene band and the second polytetrafluoroethylene floor have that coefficient of friction is low, intensity is high, corrosion-resistant, good insulation preformance, the friction system of the band
Number is 0.04, is the material that coefficient of friction is minimum in current solid material, and before metal screen layer by way of vertical bag bag
Cover, reduce due to the increase of frictional force caused by overlap joint caused by lapping structure so that the structure change of cable core when being frequently bended
Influence is preferably minimized；Do not allow to be also easy to produce electrostatic secondly as reducing frictional force and teflin tape, greatly reduce electrostatic yet
Generation, improve performance reliability and security.
2. the shielding data cable of the suitable alternating bending of the present invention, its described second polytetrafluoroethylene floor and first, the
2nd, gap is filled with some cotton yarns between the third and fourth symmetrical insulated wire pair, and it is poly- that a cotton fiber line is wound in described second
Tetrafluoroethene layer outer surface forms buffering sliding layer, and this cotton fiber line winding direction and first, second, third and fourth are symmetrically exhausted
Edge line strand is in opposite direction, and some one metal wires are wound in the buffering sliding layer outer surface and form metal screen layer, this gold
Wire is abreast wound with the cotton fiber line on the contrary, when ensureing bending in category screen layer, and copper wire has enough shift positions
Cause to break without producing stretching, while be easier to slide without producing electrostatic interference, the knot between copper wire and insulated slide layer
Structure both can guarantee that the pliability of cable, also ensure that the shield effectiveness after being frequently bended.
3. the shielding data cable of the suitable alternating bending of the present invention, is disposed between the cable core and external sheath layer
Second polytetrafluoroethylene floor, a cotton fiber line are wound in the second polytetrafluoroethylene floor outer surface and form buffering sliding layer, if
Dry one metal wire is abreast wound in buffering sliding layer and forms metal screen layer, and wire outer surface is equal in this metal screen layer
The 3rd teflin tape is surrounded with, this 3rd polytetrafluoroethylene (PTFE) belt winding direction is opposite with the cotton fiber line winding direction；
It is avoided in the reciprocating motion of cable, and electrostatic interference is produced between oversheath and screen layer, improves electric property；Meanwhile
The performance comparision of teflin tape is soft, smooth, does not interfere with the pliability of cable, and smooth surface bending through
Slip is easily produced in journey between cable core, metal screen layer and outer jacket, reduces stretching of the external force to cable, extension uses the longevity
Life.
4. the shielding data cable of the suitable alternating bending of the present invention, the aramid fiber that its copper conductor unit is included positioned at center are fine
Dimension, be made up of some the first copper conductors being twisted in aramid fiber outer surface inner conducting layer, by some second copper conductors
It is twisted and forms outer conductor layer in inner conducting layer outer surface, improves tensile strength, ensure that aramid fiber in the construction of cable
The stabilization of heart position；The symmetrical insulated wire pair twist of first, second, third and fourth forms cable together in an aramid fiber reinforcer outer surface
Core；Ensure that the construction of cable is stable so that the tensile strength of product improves 50%, and counter-bending number lifts 300 ~ 500%,
10000 times bending attenuation change value is less than 2%.
5. the shielding data cable of the suitable alternating bending of the present invention, its cable core stranding direction, cushion winding direction, screen
Layer direction is covered successively on the contrary, forming relatively parallel disc, is unlikely to be embedded in internal layer in bending and is influenceed between different coverings
It is relative to slide, so as to reduce the pulling force of cable core, improve bending resistance.Different polytetrafluoroethylene (PTFE) band lapping directions and internal layer
Stranding or wire winding direction on the contrary, the rounding of structure can be ensured.So that the force of sliding friction of different interlayers is reduced to
Minimum, destruction when reducing cable bend to the construction of cable, so as to improve bend performance, attenuation change when reduction is frequently bended
Rate.
Brief description of the drawings
Accompanying drawing 1 is adapted to the shielding data cable structural representation of alternating bending for the present invention；
Accompanying drawing 2 is present invention buffering sliding layer and metal screen layer structural representation；
Accompanying drawing 3 is A-A cross-sectional views in accompanying drawing 2；
Accompanying drawing 4 is wire of the present invention and the 3rd polytetrafluoroethylene (PTFE) Rotating fields schematic diagram；
Accompanying drawing 5 is copper conductor cellular construction schematic diagram of the present invention.
In the figures above：1st, copper conductor unit；2nd, insulate polypropylene layer；3rd, the first symmetrical insulated wire pair；4th, second is symmetrical
Insulated wire pair；5th, the 3rd symmetrical insulated wire pair；6th, the 4th symmetrical insulated wire pair；7th, the first teflin tape；8th, cable core；9th,
Two polytetrafluoroethylene floors；10th, cotton yarn；12nd, sliding layer is buffered；13rd, wire；14th, metal screen layer；15th, the 3rd polytetrafluoroethyl-ne
Alkene layer；16th, external sheath layer；17th, cotton fiber line；20th, aramid fiber；21st, aramid fiber reinforcer；22nd, the first copper conductor；23rd, second
Copper conductor.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：A kind of shielding data cable of suitable alternating bending, including：Eight copper conductor units 1 and aramid fiber are strengthened
Part 21, this outer surface of copper conductor unit 1 are coated with insulation polypropylene layer 2, and the copper conductor unit 1 includes the aramid fiber positioned at center
Fiber 20, the inner conducting layer being made up of some the first copper conductors 22 being twisted in the outer surface of aramid fiber 20, by some
Two copper conductors 23 are twisted forms outer conductor layer in inner conducting layer outer surface；
Eight copper conductor units 1 be twisted two-by-two formed the symmetrical insulated wire of first, second, third and fourth to 3,4,5,
6 and each outer surface is surrounded with the first teflin tape 7, the symmetrical insulated wire of first, second, third and fourth to 3,
4th, 5,6 it is twisted in the outer surface of aramid fiber reinforcer 21 formation cable core 8；
The vertical bag outer surface of cable core 8 of one second polytetrafluoroethylene floor 9, second polytetrafluoroethylene floor 9 and first, the
2nd, the third and fourth symmetrical insulated wire is filled with some cotton yarns 10 to gap between 3,4,5,6；
In frequently BENDING PROCESS, the symmetrical insulated wire of first, second, third and fourth and respective copper conductor are overcome
The distance between unit and pitch change, so as to cause the change of electric property；And frequently in BENDING PROCESS, the
First, second, third and the 4th symmetrical insulated wire are surrounded with the first teflin tape, and the second polytetrafluoro to respective outer surface
Pvdf layer is by indulging symmetrical insulated wire pair of the packet mode cladding with four the first teflin tapes, due to the first polytetrafluoroethyl-ne
Alkene band and the second polytetrafluoroethylene floor have that coefficient of friction is low, intensity is high, corrosion-resistant, good insulation preformance, the friction system of the band
Number is 0.04, is the material that coefficient of friction is minimum in current solid material, and before metal screen layer by way of vertical bag bag
Cover, reduce due to the increase of frictional force caused by overlap joint caused by lapping structure so that the structure change of cable core when being frequently bended
Influence is preferably minimized；Do not allow to be also easy to produce electrostatic secondly as reducing frictional force and teflin tape, greatly reduce electrostatic yet
Generation, improve performance reliability and security；
One cotton fiber line 17 is wound in the outer surface of the second polytetrafluoroethylene floor 9 and forms buffering sliding layer 12, and this cotton is fine
It is opposite to 3,4,5,6 direction of lays with the symmetrical insulated wire of first, second, third and fourth to tie up the winding direction of line 17；Ensure bending
When, copper wire has enough shift positions to cause to break without producing stretching, while is easier to slide between copper wire and insulated slide layer
It is dynamic both to have can guarantee that the pliability of cable without generation electrostatic interference, the structure, and also ensure that the shield effectiveness after being frequently bended；
Some one metal wires 13 are abreast wound in buffering sliding layer 12 outer surface and form metal screen layer 14, this gold
The outer surface of wire 13 is surrounded with the 3rd teflin tape 15 in category screen layer 14, and this 3rd teflin tape 15 is wound
Direction is opposite with the winding direction of cotton fiber line 17；It is avoided in the reciprocating motion of cable, between oversheath and screen layer
Electrostatic interference is produced, improves electric property；Meanwhile the performance comparision of teflin tape is soft, smooth, does not interfere with electricity
The pliability of cable, smooth surface, which easily to produce between cable core, metal screen layer and outer jacket in BENDING PROCESS, to be slided,
Reduce stretching of the external force to cable, increase the service life；
One external sheath layer 16 is coated on the outer surface of the 3rd polytetrafluoroethylene floor 15.Metal screen layer and oversheath it
Between formed buffering, avoid in the reciprocating motion of cable, electrostatic interference produced between oversheath and screen layer.Meanwhile polytetrafluoro
The performance comparision of vinyl strap is soft, smooth, does not interfere with the pliability of cable, passes through technology controlling and process during sheathing, light
Sliding surface, which easily to produce between cable core and sheath in BENDING PROCESS, to be slided, and reduces external force to copper conductor and tinned copper wire
The stretching of braiding layer, increases the service life.
Above-mentioned cotton fiber line 17 is dredged and is around in the outer surface of the second polytetrafluoroethylene floor 9.
Performance test data is as shown in table 1：
Table 1
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (1)
- A kind of 1. shielding data cable of suitable alternating bending, it is characterised in that：Including：Eight copper conductor units（1）And aramid fiber Reinforcer（21）, this copper conductor unit（1）Outer surface is coated with insulation polypropylene layer（2）, the copper conductor unit（1）Including position Aramid fiber in center（20）, be twisted in aramid fiber by some（20）First copper conductor of outer surface（22）What is formed is interior Conductive layer, by some second copper conductors（23）It is twisted and forms outer conductor layer in inner conducting layer outer surface；Eight copper conductor units（1）It is twisted two-by-two and forms the symmetrical insulated wire pair of first, second, third and fourth（3、4、5、 6）And each outer surface is surrounded with the first teflin tape（7）, the symmetrical insulated wire of first, second, third and fourth It is right（3、4、5、6）It is twisted in the aramid fiber reinforcer（21）Outer surface forms cable core（8）；One second polytetrafluoroethylene floor（9）The vertical bag cable core（8）Outer surface, second polytetrafluoroethylene floor（9）With first, Second, third and the 4th symmetrical insulated wire pair（3、4、5、6）Between gap be filled with some cotton yarns（10）；One cotton fiber line（17）It is wound in second polytetrafluoroethylene floor（9）Outer surface forms buffering sliding layer（12）, this cotton Single（17）Winding direction and the symmetrical insulated wire pair of first, second, third and fourth（3、4、5、6）Direction of lay is opposite；Some one metal wires（13）Abreast it is wound in the buffering sliding layer（12）Outer surface forms metal screen layer（14）, this Metal screen layer（14）Middle wire（13）Outer surface is surrounded with the 3rd teflin tape（15）, this 3rd polytetrafluoroethylene (PTFE) Band（15）Winding direction and the cotton fiber line（17）Winding direction is opposite；One external sheath layer（16）It is coated on the 3rd polytetrafluoroethylene floor（15）Outer surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710675815.3A CN108231248A (en) | 2014-05-22 | 2014-05-22 | Resist quiet high intensity electrical shielding data cable |
| CN201410218966.2A CN104036873B (en) | 2014-05-22 | 2014-05-22 | It is adapted to the shielding data cable of alternating bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218966.2A CN104036873B (en) | 2014-05-22 | 2014-05-22 | It is adapted to the shielding data cable of alternating bending |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710675815.3A Division CN108231248A (en) | 2014-05-22 | 2014-05-22 | Resist quiet high intensity electrical shielding data cable |
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| Publication Number | Publication Date |
|---|---|
| CN104036873A CN104036873A (en) | 2014-09-10 |
| CN104036873B true CN104036873B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410218966.2A Active CN104036873B (en) | 2014-05-22 | 2014-05-22 | It is adapted to the shielding data cable of alternating bending |
| CN201710675815.3A Pending CN108231248A (en) | 2014-05-22 | 2014-05-22 | Resist quiet high intensity electrical shielding data cable |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710675815.3A Pending CN108231248A (en) | 2014-05-22 | 2014-05-22 | Resist quiet high intensity electrical shielding data cable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201402657Y (en) * | 2009-04-29 | 2010-02-10 | 天津市信九电子有限公司 | Fixed-oxygen temperature measuring wire |
| CN201673727U (en) * | 2010-04-29 | 2010-12-15 | 江苏远洋东泽电缆股份有限公司 | Armoured shielding type audio-frequency cable for ship and oceaneering |
| CN203444856U (en) * | 2013-07-10 | 2014-02-19 | 江苏亨通线缆科技有限公司 | Anti-interference communication data cable for ships |
| CN203882723U (en) * | 2014-05-22 | 2014-10-15 | 江苏亨通线缆科技有限公司 | Shielded type data wirecable suitable for being bent repeatedly |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2618339A3 (en) * | 2010-03-12 | 2013-10-30 | General Cable Technologies Corporation | Cable having insulation with micro oxide particles |
| CN203444809U (en) * | 2013-07-10 | 2014-02-19 | 江苏亨通线缆科技有限公司 | Category-7 data transmission cable for ships |
-
2014
- 2014-05-22 CN CN201410218966.2A patent/CN104036873B/en active Active
- 2014-05-22 CN CN201710675815.3A patent/CN108231248A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201402657Y (en) * | 2009-04-29 | 2010-02-10 | 天津市信九电子有限公司 | Fixed-oxygen temperature measuring wire |
| CN201673727U (en) * | 2010-04-29 | 2010-12-15 | 江苏远洋东泽电缆股份有限公司 | Armoured shielding type audio-frequency cable for ship and oceaneering |
| CN203444856U (en) * | 2013-07-10 | 2014-02-19 | 江苏亨通线缆科技有限公司 | Anti-interference communication data cable for ships |
| CN203882723U (en) * | 2014-05-22 | 2014-10-15 | 江苏亨通线缆科技有限公司 | Shielded type data wirecable suitable for being bent repeatedly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104036873A (en) | 2014-09-10 |
| CN108231248A (en) | 2018-06-29 |
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