CN101707075A - Cat7 soft cable for ocean engineering equipment local area networks and manufacturing method thereof - Google Patents

Cat7 soft cable for ocean engineering equipment local area networks and manufacturing method thereof Download PDF

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Publication number
CN101707075A
CN101707075A CN200910232651A CN200910232651A CN101707075A CN 101707075 A CN101707075 A CN 101707075A CN 200910232651 A CN200910232651 A CN 200910232651A CN 200910232651 A CN200910232651 A CN 200910232651A CN 101707075 A CN101707075 A CN 101707075A
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layer
cable
outside
local area
twisted
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CN200910232651A
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Chinese (zh)
Inventor
陆云春
李永江
赵正兵
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Jiangsu Yuanyang Dongze Cable Co Ltd
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Jiangsu Yuanyang Dongze Cable Co Ltd
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Priority to CN200910232651A priority Critical patent/CN101707075A/en
Publication of CN101707075A publication Critical patent/CN101707075A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a Cat7 soft cable for ocean engineering equipment local area networks and a manufacturing method thereof and belongs to the technical field of cables. The cable comprises four twisted pairs, wherein each twisted pair is twisted by two core conductors respectively with an insulating layer; each core conductor is twisted by seven equant tinned wires; a double-layer independent shielding layer is longitudinally wrapped outside each twisted pair, the inner side of the double-layer independent shielding layer is provided with an internal current introducing wire, and the periphery of the double-layer independent shielding layer is provided with an internal wrapping layer; and the four twisted pairs with the internal wrapping layers thereof are twisted into a cable core, an integral wrapping layer is arranged outside the cable core, an integral shielding layer is arranged on the integral wrapping layer, the inner side of the integral shielding layer is provided with an external current introducing wire, an external wrapping layer is arranged outside the integral shielding layer, a knitted shielding layer is arranged outside the external wrapping layer, an internal protective sheath is arranged outside the knitted shielding layer, an armored layer is arranged outside the internal protective sheath, and an external protective sheath is arranged outside the armored layer. The invention has the advantages of favorable insulating property, high strength, soft cable and interference resistance, and can be safely used as a signal transmission cable in construction of ocean engineering equipment local area networks.

Description

Cat 7 soft cable for ocean engineering equipment local area networks and manufacture method thereof
Technical field
The present invention relates to a kind of cable, signal-transmitting cable and manufacture method thereof that particularly a kind of offshore engineering equipment is used.
Background technology
International Standards Organization (International Organization for Standardization) is when formulating the relevant criterion of wiring system, agree to use the subject plan that is similar to the Anixter exploitation, established evaluation index " class (Categories) ".And every single part such as cable or connector must meet corresponding classification, Here it is Cat3, Cat4, Cat5 ... Cat7 (seven class lines) is exactly wherein a kind of, seven class lines are a kind of twisted-pair feeders up-to-date in ISO 7 classes/F grade standard, and it is application and the development in order to adapt to ten thousand megabit ethernet technologys mainly.Its transmission frequency can reach 500MHz at least, is six class lines and surpass more than 2 times of six class lines, and transmission rate can reach 10Gbps.At present, though the formally issue of seven class line standards, its draft is very many, and the company of existing many technical strength richnesses issued the product based on seven class wiring systems, as AMP (pacify general), west illiteracy etc.Seven class line standards are one to be enclosed within on 100 twisted-pair feeders cloth line standard of supporting the highest 600MHz bandwidth for transmission.Cable is as the relatively simple conventional products of a kind of structure, and its structural similitude is very big, and still, the performance difference of different cables is very big, not only is the change of its material, and simultaneously, its structural slight change all can cause the change of cable performance.At present, because the high standard of seven class lines, numerous producers are all in the research of structure of carrying out seven class lines and production method, and are still at the experimental stage mostly, a spot of cable that can reach seven class line standards has formed sale, but its soft degree, tensile strength all are not enough to use on offshore engineering equipment.At present, what use on the offshore engineering equipment is five classes or six class lines, because the specificity in offshore engineering equipment environment for use and place, requires the cable softness to be easy to lay, tensile strength is big, anti-complex electromagnetic environment, and the seven class lines that are not fit to can use at present; In the prior art, there is not the report of the production method of relevant seven class lines yet.
Summary of the invention
The purpose of this invention is to provide a kind of ocean engineering equipment local area networks with CAT7 soft junction structure cable and manufacture method thereof, make cable fulfils seven class line standards, its softness, intensity height, anti-interference are good simultaneously.
For achieving the above object, ocean engineering equipment local area networks provided by the invention comprises four groups of twisted pair wires, every group of stranded forming of cored wire conductor that twisted pair wire has insulating barrier by two peripheries with CAT7 soft junction structure cable; Each cored wire conductor is twisted into by seven isometrical tinned copper wires, and wherein one is positioned at the center, and all the other six roots of sensation are distributed in periphery; Every group of twisted pair wire indulged outward and is surrounded by double-deck individual screen layer, and double-deck individual screen layer inboard is provided with interior drainage thread, and double-deck individual screen layer periphery is provided with interior lapping layer; Described four groups of twisted pair wires are twisted into the core cable together with the double layer screen layer of its periphery, interior lapping layer, the core cable is provided with whole lapping layer outward, whole lapping layer is provided with bulk shield outward, the bulk shield inboard is provided with the external drainage line, bulk shield is provided with outer lapping layer outward, and outer lapping layer is provided with woven shield outward, and woven shield is provided with inner sheath outward, inner sheath is provided with armour outward, and armour is provided with oversheath outward.
Among the present invention, cored wire conductor adopts six to add one structure, can make cable rounding, softness; The double-deck individual screen layer of the vertical outward bag of twisted pair wire plays good shielding action, reduces the interference of the internal electromagnetic field of external electromagnetic field, and is simultaneously noiseless each other; The core cable is stranded to make it have good tension effect, and bulk shield, woven shield further play shielding action, have strengthened shield effectiveness; Armour has been strengthened the intensity of cable greatly, oversheath makes its oil resistant, anti-mud. and interior drainage thread and external drainage line can make corresponding screen reliable ground, on the cable length direction, the screen electromotive force equates and is zero, make stable signal transmission. compared with prior art, the invention has the beneficial effects as follows: it is stable that cable transmits signal performance, insulate, intensity is big, the cable softness is easy to bending, the dependability height, but Secure Application is in the construction of ocean engineering equipment local area networks, use as signal-transmitting cable, it can support the 1000MHz bandwidth.
As a further improvement on the present invention, described interior drainage thread is close to the setting of double-deck individual screen layer, and the external drainage line is close to the bulk shield setting.Two screen openings in the double-deck individual screen layer of described vertical bag stagger 180 ° and are provided with, and form sealed construction, reduce electromagnetic bleeding.
Unaffected for guaranteeing cable softness and signal transmission capacity, the nominal diameter of every tinned copper wire is 0.17mm.
Stable for further guaranteeing the construction of cable, be provided with the glass fibre packed layer at the center that is twisted into the core cable.
In addition, described bulk shield is by wrapped the forming of aluminium foil polyester composite band, and the rate of putting up is 30%-40%.
Described woven shield can be that the tinned copper wire of 0.15mm weaves and forms by diameter, adopts that two times modes weave on two, and angle of weave is 30 °-60 °, and percentage of braiding coverage is greater than 95%.
It is that the tinned copper wire braiding of 0.2mm forms that described armour can adopt nominal diameter, and weaving manner is on two two time, and angle of weave is 35 °-70 °, and percentage of braiding coverage is greater than 93%.
Described inner sheath adopts the low-smoke halogen-free flame-retardant thermoplastic polyolefin to make, and oversheath adopts the anti-mud polyolefin of cross-linking radiation oil resistant to make.
The present invention also provides a kind of manufacture method of cat 7 soft cable for ocean engineering equipment local area networks, in turn includes the following steps:
1) adopt six to add one form and be twisted into cored wire conductor with the tinned copper wire of seven nominal diameter 0.17mm, wherein one is positioned at the center, and all the other six roots of sensation are positioned at periphery; At cored wire conductor periphery extruded insulation layer, insulating layer material is a polyethylene foamed, and the outside diameter control behind the extruded insulation layer is at 1.4 ± 0.03mm;
2) get eight cored wire conductors that have insulating barrier and be one group in twos, every group adds an interior drainage thread and carries out strandedly, and twisting pitch is controlled between the 10-15mm; Stranded back forms double-deck individual screen layer in the vertical aluminium foil polyester composite band of double-baging of its periphery, and the opening of two-layer aluminium foil polyester composite band staggers 180 ° and is provided with, and wrapped again polyester film forms interior lapping layer outside aluminium foil polyester composite band;
3) four groups of previous step is rapid twisted pair wires are twisted into the core cable together with the double layer screen layer of its periphery, interior lapping layer integral body, when stranded therein the heart glass fibre packed layer is set, make stranded core cable structure stable, twisting pitch 115-130mm;
4) the outer wrapped one deck mylar tape of core cable forms whole lapping layer, the wrapped rate of putting up is not less than 30%, whole lapping layer is used the wrapped formation bulk shield of aluminium foil polyester composite band outward again, when wrapped, outside whole lapping layer, place an external drainage line, the external drainage line contacts with the aluminium lamination of aluminium foil polyester composite band, and the wrapped rate of putting up of aluminium foil polyester composite band is controlled at 30%-40%;
5) outside bulk shield again with mylar tape wrapped outside lapping layer, the rate of putting up when wrapped is 25%-30%;
6) adopt nominal diameter be 0.15mm tinned copper wire outside lapping layer weave outward, form woven shield; Adopt two times modes on two during braiding, carry out on 16 ingot vertical and high-speed braiding machines, 6 braided wires are arranged on every ingot, angle of weave is 30 °-60 °, and percentage of braiding coverage should be greater than 95%;
7) extrude inner sheath outside woven shield, the material of inner sheath adopts the low-smoke halogen-free flame-retardant thermoplastic polyolefin, and extruding thickness is 1.1 ± 0.2mm;
8) adopting nominal diameter outside inner sheath is the tinned copper wire braiding armour of 0.2mm, be woven on the 24 ingot vertical and high-speed braiding machines and carry out, weaving manner is on two two time, and the monofilament radical of every ingot is 7, angle of weave is that percentage of braiding coverage should be greater than 93% between 35 °-70 °;
9) extrude oversheath outside armour, the material of oversheath adopts the anti-mud polyolefin of cross-linking radiation oil resistant, and the oversheath thickness that extrudes is 0.9 ± 0.2mm.
Can make the cable that meets the Cat7 standard according to said method.The said structure entire combination becomes to have to be better than prior art and can support the cable of big bandwidth.It is difficult to have at existing cable on the basis of new breakthrough further, provides continuous high-performance surplus and up to the linear frequency response of 1GHz, volume is also little, simultaneously support voice, data and wideband video multimedia application etc.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Wherein, 1 cored wire conductor, 2 insulating barriers, 3 interior drainage threads, 4 double-deck individual screen layers, 5 interior lapping layers, 6 bulk shields, 7 outer lapping layers, 8 woven shields, 9 inner sheaths, 10 armours, 11 oversheaths, 12 external drainage lines, 13 packed layers, 14 whole lapping layers.
Embodiment
As shown in Figure 1, be cat 7 soft cable for ocean engineering equipment local area networks, comprise four groups of twisted pair wires, every group of twisted pair wire has cored wire conductor 1 stranded the forming of insulating barrier 2 by two peripheries, and its identification chromatogram is: white-indigo plant; In vain-Huang; In vain-palm fibre; In vain-green; Each cored wire conductor 1 is twisted into by seven isometrical tinned copper wires, and the nominal diameter of every tinned copper wire is 0.17mm, and wherein one is positioned at the center, and all the other six roots of sensation are distributed in periphery; Every group of twisted pair wire be vertical outward to be surrounded by double-deck individual screen layer 4, the 180 ° of settings of staggering of two screen openings in the double-deck individual screen layer 4 of vertical bag; Drainage thread 3 in double-deck individual screen layer 4 inboard are provided with, interior drainage thread 3 are close to double-deck individual screen layer 4 and are provided with, and double-deck individual screen layer 4 periphery are provided with interior lapping layer 5; Described four groups of twisted pair wires are together with double layer screen layer, the interior lapping layer 5 of its periphery, and the heart is provided with glass fibre packed layer 13 and is twisted into the core cable together therein; The core cable is provided with whole lapping layer 14 outward, is provided with bulk shield 6 outside the whole lapping layer 14, and bulk shield 6 is by wrapped the forming of aluminium foil polyester composite band, and the rate of putting up is 30%-40%; Bulk shield 6 inboards are provided with external drainage line 12, and external drainage line 12 is close to bulk shield 6 and is provided with; Be provided with outer lapping layer 7 outside the bulk shield 6, the outer lapping layer 7 outer woven shields 8 that are provided with, woven shield 8 are that the tinned copper wire of 0.15mm weaves and forms by diameter, adopt that two times modes weave on two, angle of weave is 30 °-60 °, and percentage of braiding coverage is greater than 95%; The woven shield 8 outer inner sheaths 9 that are provided with, inner sheath 9 adopts the low-smoke halogen-free flame-retardant thermoplastic polyolefin to make, the inner sheath 9 outer armours 10 that are provided with, armour 10 employing nominal diameters are that the tinned copper wire braiding of 0.2mm forms, weaving manner is on two two time, angle of weave is 35 °-70 °, and percentage of braiding coverage is greater than 93%; The armour 10 outer oversheaths 11 that are provided with, oversheath 11 adopts the anti-mud polyolefin of cross-linking radiation oil resistant to make.
The step of manufacturing of above-mentioned cable is as follows:
1) adopt six to add one form and be twisted into cored wire conductor 1 with the tinned copper wire of seven nominal diameter 0.17mm, wherein one is positioned at the center, and all the other six roots of sensation are positioned at periphery; At cored wire conductor 1 its periphery extruded insulation layer 2, the material of insulating barrier 2 is a polyethylene foamed, and the outside diameter control behind the extruded insulation layer is at 1.4 ± 0.03mm;
2) get eight cored wire conductors that have insulating barrier and be one group in twos, every group adds an interior drainage thread 3 and carries out strandedly, and twisting pitch is controlled between the 10-15mm; The right identification chromatogram of line is: white-indigo plant; In vain-Huang; In vain-palm fibre; In vain-green; Stranded back forms double-deck individual screen layer 4 in the vertical aluminium foil polyester composite band of double-baging of its periphery, and the opening of two-layer aluminium foil polyester composite band staggers 180 ° and is provided with, lapping layer 5 in wrapped again polyester film forms outside aluminium foil polyester composite band;
3) four groups of previous step is rapid twisted pair wires are twisted into the core cable together with the double layer screen layer of its periphery, interior lapping layer integral body, when stranded therein the heart glass fibre packed layer 13 is set, make stranded core cable structure stable, twisting pitch 115-130mm;
4) the outer wrapped one deck mylar tape of core cable forms whole lapping layer 14, the wrapped rate of putting up is not less than 30%, the whole lapping layer 14 outer wrapped formation bulk shields 6 of aluminium foil polyester composite band of using again, when wrapped, outside whole lapping layer, place an external drainage line 12, external drainage line 12 contacts with the aluminium lamination of aluminium foil polyester composite band, and the wrapped rate of putting up of aluminium foil polyester composite band is controlled at 30%-40%;
5) outside bulk shield 6 again with mylar tape wrapped outside lapping layer 7, the rate of putting up when wrapped is 25%-30%;
6) adopting nominal diameter is tinned copper wire lapping layer 7 outer braidings the outside of 0.15mm, forms woven shield 8; Adopt two times modes on two during braiding, carry out on 16 ingot vertical and high-speed braiding machines, 6 braided wires are arranged on every ingot, angle of weave is 30 °-60 °, and desirable 30 °, 45 °, 60 ° equivalences weave, and percentage of braiding coverage should be greater than 95%;
7) extrude inner sheath 9 outside woven shield 8, the material of inner sheath 9 adopts the low-smoke halogen-free flame-retardant thermoplastic polyolefin, and extruding thickness is 1.1 ± 0.2mm;
8) adopting nominal diameter outside inner sheath 9 is the tinned copper wire braiding armour 10 of 0.2mm, be woven on the 24 ingot vertical and high-speed braiding machines and carry out, weaving manner is on two two time, the monofilament radical of every ingot is 7, angle of weave is between 35 °-70 °, desirable 35 °, 50 °, 70 ° equivalences weave, and percentage of braiding coverage should be greater than 93%;
9) extrude oversheath 11 outside armour 10, the material of oversheath adopts the anti-mud polyolefin of cross-linking radiation oil resistant, and the oversheath thickness that extrudes is 0.9 ± 0.2mm.
Because cable production is a continuous process, in the above-mentioned related number range, pitch, put up rate, thickness itself might not be constant on same cable, can occur maximum, minimum value and median simultaneously, as the rate of putting up is when being 30%-40%, allowing its part on same cable is 30%, the part is 40%, the part is 35%, as greater than 40% or less than 30% defective, the rest may be inferred by analogy for it.
The anti-mud property of cable oil resistant that obtains according to said method is as follows:
Immerse solution Temperature Time Tensile strength change The elongation at break rate of change Cubical expansivity Weight increase
Mineral oil IRM 903 ??100℃ 7 days ??≤30% ??≤30% ??≤30% ??≤30%
Calcium bromide solution ??70℃ 56 days ??≤25% ??≤25% ??≤20% ??≤15%
Immerse solution Temperature Time Tensile strength change The elongation at break rate of change Cubical expansivity Weight increase
Oil base bores liquid ??70℃ 56 days ??≤25% ??≤25% ??≤20% ??≤15%
The technical performance of above-mentioned cable:
A. the electric capacity nominal value is 45nF/km
B.100MHz characteristic impedance is 100 ± 10 Ω the time
C. the operating voltage of cable is 125V to the maximum
D. bearing 1000V/1min between the cored wire conductor when 50Hz does not puncture; Bearing 1000V/1min between cored wire conductor and the corresponding shielding when 50Hz does not puncture.
E. the propagation delay of cable is not more than 530ns/100m
F. the transfger impedance of cable is 5 Ω/m
G. the bandwidth used of this cable is 1000MHz
H. because the cored wire conductor structure is many stranded types, realized that the bending radius of cable is littler than the cable of selecting 1 independent cored wire conductor for use, the minimum bending radius of cable can reach 5 times the outside diameter of cable in running; Simultaneously the superiority of cable jacket material make cable can be under-30 ℃ of cryogenic conditions operate as normal and not ftractureing, guaranteed the fail safe of electric equipment cold conditions environment operation.
The electric property of cable
?Frequency?MHz ??Attenuation??db/100m ??NEXT??pr/pr??db ??ACR??db/100m ??PS??NEXT??db ??EL-FEXT??pr/pr??db/100m ??PS??EL-FEXT??db/100m ??RL??db
?1 ??2.0 ??95 ??100 ??100 ??100 ??100 ??23.1
?4 ??3.7 ??95 ??100 ??100 ??100 ??100 ??26.1
?10 ??5.7 ??95 ??100 ??100 ??99.9 ??98.8 ??28.0
?16 ??7.3 ??95 ??98.0 ??100 ??98.9 ??96.5 ??28.0
?20 ??8.1 ??95 ??95.5 ??98.0 ??97.0 ??94.6 ??28.0
?31.2 ??10.4 ??95 ??92.1 ??91.0 ??93.1 ??91.4 ??26.6
?Frequency?MHz ??Attenuation??db/100m ??NEXT??pr/pr??db ??ACR??db/100m ??PS??NEXT??db ??EL-FEXT??pr/pr??db/100m ??PS??EL-FEXT??db/100m ??RL??db
?62.5 ??15.1 ??95 ??89.3 ??89.0 ??87.4 ??86.1 ??24.5
?100 ??19.0 ??90 ??85.0 ??85.0 ??83.0 ??81.0 ??23.1
?155 ??24.7 ??90 ??79.3 ??80.0 ??80.1 ??76.7 ??23.1
?200 ??27.0 ??85 ??74.0 ??78.0 ??77.5 ??75.3 ??23.1
?300 ??32.5 ??75.0 ??50.0 ??76.0 ??73.6 ??70.9 ??23.1
?600 ??48.6 ??70.0 ??40.0 ??70.0 ??67.5 ??65.6 ??20.3

Claims (10)

1. cat 7 soft cable for ocean engineering equipment local area networks is characterized in that: comprise four groups of twisted pair wires, every group of stranded forming of cored wire conductor that twisted pair wire has insulating barrier by two peripheries; Each cored wire conductor is twisted into by seven isometrical tinned copper wires, and wherein one is positioned at the center, and all the other six roots of sensation are distributed in periphery; Every group of twisted pair wire indulged outward and is surrounded by double-deck individual screen layer, and double-deck individual screen layer inboard is provided with interior drainage thread, and double-deck individual screen layer periphery is provided with interior lapping layer; Described four groups of twisted pair wires are twisted into the core cable together with the double layer screen layer of its periphery, interior lapping layer, the core cable is provided with whole lapping layer outward, whole lapping layer is provided with bulk shield outward, the bulk shield inboard is provided with the external drainage line, bulk shield is provided with outer lapping layer outward, and outer lapping layer is provided with woven shield outward, and woven shield is provided with inner sheath outward, inner sheath is provided with armour outward, and armour is provided with oversheath outward.
2. cat 7 soft cable for ocean engineering equipment local area networks according to claim 1 is characterized in that: drainage thread is close to the setting of double-deck individual screen layer in described, and the external drainage line is close to the bulk shield setting.
3. cat 7 soft cable for ocean engineering equipment local area networks according to claim 1 is characterized in that: the 180 ° of settings of staggering of two screen openings in the double-deck individual screen layer of described vertical bag.
4. according to any described cat 7 soft cable for ocean engineering equipment local area networks of claim 1-3, it is characterized in that: the nominal diameter of every tinned copper wire is 0.17mm.
5. according to any described cat 7 soft cable for ocean engineering equipment local area networks of claim 1-3, it is characterized in that: be provided with the glass fibre packed layer at the center that is twisted into the core cable.
6. according to any described cat 7 soft cable for ocean engineering equipment local area networks of claim 1-3, it is characterized in that: described bulk shield is by wrapped the forming of aluminium foil polyester composite band, and the rate of putting up is 30%-40%.
7. according to any described cat 7 soft cable for ocean engineering equipment local area networks of claim 1-3, it is characterized in that: described woven shield is that the tinned copper wire of 0.15mm weaves and forms by diameter, two times modes weave in the employing two, angle of weave is 30 °-60 °, and percentage of braiding coverage is greater than 95%.
8. according to any described cat 7 soft cable for ocean engineering equipment local area networks of claim 1-3, it is characterized in that: the tinned copper wire braiding that described armour employing nominal diameter is 0.2mm forms, weaving manner is on two two time, angle of weave is 35 °-70 °, and percentage of braiding coverage is greater than 93%.
9. according to any described cat 7 soft cable for ocean engineering equipment local area networks of claim 1-3, it is characterized in that: described inner sheath adopts the low-smoke halogen-free flame-retardant thermoplastic polyolefin to make, and oversheath adopts the anti-mud polyolefin of cross-linking radiation oil resistant to make.
10. the foreign engineering equipment local area network (LAN) according to claim 1 manufacture method of Cat7 soft junction structure cable is characterized in that in turn including the following steps:
1) adopt six to add one form and be twisted into cored wire conductor with the tinned copper wire of seven nominal diameter 0.17mm, wherein one is positioned at the center, and all the other six roots of sensation are positioned at periphery; At its periphery extruded insulation layer of cored wire conductor, insulating layer material is foaming ethene, and the outside diameter control behind the extruded insulation layer is at 1.4 ± 0.03mm;
2) get eight cored wire conductors that have insulating barrier and be one group in twos, every group adds an interior drainage thread and carries out strandedly, and twisting pitch is controlled between the 10-15mm; Stranded back forms double-deck individual screen layer in the vertical aluminium foil polyester composite band of double-baging of its periphery, and the opening of two-layer aluminium foil polyester composite band staggers 180 ° and is provided with, and wrapped again polyester film forms interior lapping layer outside aluminium foil polyester composite band;
3) four groups of previous step is rapid twisted pair wires are twisted into the core cable together with the double layer screen layer of its periphery, interior lapping layer integral body, when stranded therein the heart glass fibre packed layer is set, make stranded core cable structure stable, twisting pitch 115-130mm;
4) the outer wrapped one deck mylar tape of core cable forms whole lapping layer, the wrapped rate of putting up is not less than 30%, whole lapping layer is used the wrapped formation bulk shield of aluminium foil polyester composite band outward again, when wrapped, outside whole lapping layer, place an external drainage line, the external drainage line contacts with the aluminium lamination of aluminium foil polyester composite band, and the wrapped rate of putting up of aluminium foil polyester composite band is controlled at 30%-40%;
5) outside bulk shield again with mylar tape wrapped outside lapping layer, the rate of putting up when wrapped is 25%-30%;
6) adopt nominal diameter be 0.15mm tinned copper wire outside lapping layer weave outward, form woven shield; Adopt two times modes on two during braiding, carry out on 16 ingot vertical and high-speed braiding machines, 6 braided wires are arranged on every ingot, angle of weave is 30 °-60 °, and percentage of braiding coverage should be greater than 95%;
7) extrude inner sheath outside woven shield, the material of inner sheath adopts the low-smoke halogen-free flame-retardant thermoplastic polyolefin, and extruding thickness is 1.1 ± 0.2mm;
8) adopting nominal diameter outside inner sheath is the tinned copper wire braiding armour of 0.2mm, be woven on the 24 ingot vertical and high-speed braiding machines and carry out, weaving manner is on two two time, and the monofilament radical of every ingot is 7, angle of weave is that percentage of braiding coverage should be greater than 93% between 35 °-70 °;
9) extrude oversheath outside armour, the material of oversheath adopts the anti-mud polyolefin of cross-linking radiation oil resistant, and the oversheath thickness that extrudes is 0.9 ± 0.2mm.
CN200910232651A 2009-12-04 2009-12-04 Cat7 soft cable for ocean engineering equipment local area networks and manufacturing method thereof Pending CN101707075A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101834033A (en) * 2010-05-24 2010-09-15 常熟泓淋电线电缆有限公司 Data transmission cable
CN102347112A (en) * 2011-06-28 2012-02-08 江苏远洋东泽电缆股份有限公司 Cable manufacturing method for ensuring roundness of marine cable and easy peeling of sheath
CN102760517A (en) * 2012-07-20 2012-10-31 安徽国电电缆集团有限公司 Heat-resistant instrument cable for ships and manufacturing process of heat-resistant instrument cable
CN104751950A (en) * 2013-12-25 2015-07-01 江苏亨通线缆科技有限公司 Category excess 7 digital communication cable for Internet
CN104867594A (en) * 2014-02-24 2015-08-26 安徽新华电缆(集团)有限公司 Aluminum alloy conductor and shielding cable
CN111986847A (en) * 2020-08-19 2020-11-24 安徽天康集团数据线缆有限公司 Maritime data communication cable

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101834033A (en) * 2010-05-24 2010-09-15 常熟泓淋电线电缆有限公司 Data transmission cable
CN102347112A (en) * 2011-06-28 2012-02-08 江苏远洋东泽电缆股份有限公司 Cable manufacturing method for ensuring roundness of marine cable and easy peeling of sheath
CN102347112B (en) * 2011-06-28 2012-11-21 江苏远洋东泽电缆股份有限公司 Cable manufacturing method for ensuring roundness of marine cable and easy peeling of sheath
CN102760517A (en) * 2012-07-20 2012-10-31 安徽国电电缆集团有限公司 Heat-resistant instrument cable for ships and manufacturing process of heat-resistant instrument cable
CN104751950A (en) * 2013-12-25 2015-07-01 江苏亨通线缆科技有限公司 Category excess 7 digital communication cable for Internet
CN104867594A (en) * 2014-02-24 2015-08-26 安徽新华电缆(集团)有限公司 Aluminum alloy conductor and shielding cable
CN111986847A (en) * 2020-08-19 2020-11-24 安徽天康集团数据线缆有限公司 Maritime data communication cable

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