CN214897683U - Thin-diameter moisture-proof reinforced multi-core shielded cable - Google Patents
Thin-diameter moisture-proof reinforced multi-core shielded cable Download PDFInfo
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- CN214897683U CN214897683U CN202121499097.7U CN202121499097U CN214897683U CN 214897683 U CN214897683 U CN 214897683U CN 202121499097 U CN202121499097 U CN 202121499097U CN 214897683 U CN214897683 U CN 214897683U
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- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 229920000728 polyester Polymers 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 13
- 229920001155 polypropylene Polymers 0.000 claims abstract description 13
- -1 polypropylene Polymers 0.000 claims abstract description 12
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims abstract description 7
- 230000017105 transposition Effects 0.000 claims abstract description 3
- 239000011162 core material Substances 0.000 claims description 77
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 3
- 240000005572 Syzygium cordatum Species 0.000 description 2
- 235000006650 Syzygium cordatum Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a dampproofing intensive type multicore shielded cable of thin footpath, twist jointly including five internal control sinle silks and a central PFA resin plug and constitute first line core, first line core outside cladding has in proper order that the polyester fiber plain weave is interior around covering, shielding netted inner conductor layer and fluororesin area around covering antifriction layer, and three external control sinle silk and nine power sinle silks surround the outside concentric transposition of fluororesin area around covering antifriction layer and constitute second line core, every three power sinle silk interval sets up an external control sinle silk, and the outside cladding has the polyester fiber plain weave outward around covering, shielding netted outer conductor layer, butyl rubber dampproof course, polypropylene hygroscopic layer and PVC oversheath in proper order of second line core. The cable reasonably disperses the control cable cores and the power cable cores on different layers, so that the outer diameter of the cable is effectively reduced, the application flexibility is better, the cable has better flexibility and bending resistance, the moisture-proof water-blocking performance is excellent, and the cable is durable in use.
Description
Technical Field
The application relates to the technical field of cables, in particular to a small-diameter moisture-proof reinforced multi-core shielded cable.
Background
The communication cable is used for forming a channel for transmitting information to form a four-way and eight-way communication network. The method can be distinguished according to the aspects of laying, operating conditions, transmission frequency spectrum, cable core structure, insulating materials and the like. In an automated industrial production line, a multi-core cable is often used for a robot, a mobile drive system, and the like. Due to rapid development of transmission technology, maintenance testing technology and the like, communication cables gradually develop to be small in diameter and light in weight, however, all control cable cores and power supply cable cores are stranded in a central cable core together in the existing multi-core cable, the outer diameter of the cable is larger and larger along with increase of the number of the cable cores, the diameter-reducing manufacturing is not facilitated, the installation flexibility is poor when the outer diameter of the cable is larger, and the flexibility and the bending resistance of the cable can be reduced. Moreover, due to manufacturing conditions, weather and other reasons, the cable is difficult to avoid moisture permeating into the cable, water tree aging occurs, cable insulation is damaged, and the durability of the cable is poor.
SUMMERY OF THE UTILITY MODEL
This application is not enough to prior art, and the technical problem that solve provides a dampproofing intensive type multicore shielded cable of thin footpath, rationally with control sinle silk and power sinle silk dispersion in the difference layer, effectively reduced the cable external diameter, use the flexibility better, have better pliability and bending resistance characteristic, the dampproofing performance of blocking water is excellent, durable use.
The present application solves the above-mentioned problems by the following technical solutions.
Thin footpath dampproofing intensive type multicore shielding cable, twist jointly including five internal control sinle silks and a central PFA resin plug and constitute first line core body, first line core body outside cladding has in proper order around covering, shielding netted inner conductor layer and fluororesin area around covering antifriction layer in the polyester fiber plain weave, and three external control sinle silk and nine power sinle silks center on fluorine resin area winds covering antifriction layer outside and twists with one heart and constitutes second line core body, every three power sinle silk interval sets up one the external control sinle silk, second line core body outside cladding has the polyester fiber plain weave outward around covering, shielding netted outer conductor layer, butyl rubber dampproof course, polypropylene hygroscopic layer and PVC oversheath in proper order.
Preferably, the internal control wire core and the external control wire core comprise two twisted pairs of wire cores which are twisted in pairs to form a twisted pair core body, the twisted pair core body is externally coated with a first PFA insulating layer, and each twisted pair wire core comprises a first inner conductor and a foamed PFA insulating layer.
Preferably, the first inner conductor is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.02mm to 0.05 mm.
Preferably, the power core includes a second inner conductor and a second PFA insulating layer.
Preferably, the second inner conductor is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.08 mm.
Preferably, the shielding mesh-shaped inner conductor layer and the shielding mesh-shaped outer conductor layer are formed by mixing and spirally winding tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1, and the wire diameter of the tinned copper wires is 0.02-0.08 mm.
Preferably, the fluorine resin tape lapping antifriction layer is of a fluorine resin lapping tape one-way spiral lapping cover lapping structure, and the fluorine resin lapping tape is an FEP, PFA or ETFE resin tape.
Preferably, the polyester fiber plain weave inner wrapping layer and the polyester fiber plain weave outer wrapping layer are both polyester fiber plain weave unidirectional spiral lapping and covering wrapping structures.
Preferably, the polypropylene moisture absorption layer is a multi-layer overlapping wrapping structure of polypropylene resin tapes.
Preferably, the first and second core members are filled with resin-filled core materials.
The beneficial effect of this application:
1. the five internal control wire cores, the three external control wire cores and the nine power wire cores are reasonably arranged in the first wire core body and the second wire core body in a layered mode, the unified arrangement in a cable core is avoided, the outer diameter of the cable is effectively reduced, and the flexibility and the bending resistance of the multi-core cable are improved.
2. By adding the central PFA resin core rod and the resin filling core material, the cable can better bear lateral pressure during bending, the bending resistance of the cable is greatly improved, the phenomena of core breaking and wire breaking of a conductor and a shielding layer are reduced, the electrical performance of the cable is improved, the service life is prolonged, and the durability is better.
3. Through butyl rubber dampproof course, polypropylene moisture absorption layer and oversheath combined use, have good water-fast fire-retardant characteristic concurrently, receive operating mode condition and weather reason etc. after polypropylene moisture absorption layer absorbed moisture, because the excellent dampproofing characteristic of butyl rubber dampproof course, effectual separation moisture has delayed the insulating layer and has taken place the water tree ageing phenomenon to the insulating layer to protect the electrical insulation characteristic of cable, delay life, the durability is better.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
Description of reference numerals:
1-internal control wire core, 2-central PFA resin core rod, 3-polyester fiber plain weave internal wrapping layer, 4-shielding mesh-shaped inner conductor layer, 5-fluororesin tape wrapping antifriction layer, 6-external control wire core, 7-power wire core, 8-polyester fiber plain weave external wrapping layer, 9-shielding mesh-shaped outer conductor layer, 10-butyl rubber moisture-proof layer, 11-polypropylene moisture-absorbing layer, 12-PVC outer sheath, 13-twisted wire core, 14-first PFA insulating layer, 15-second inner conductor, 16-second PFA insulating layer, 17-resin filled core material, 18-first inner conductor and 19-foamed PFA insulating layer.
Detailed Description
The terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the application, as the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the small-diameter moisture-proof reinforced multi-core shielded cable according to the embodiment of the present invention includes five inner control cores 1 and a central PFA resin core rod 2, which are jointly stranded to form a first core body, and further, a resin filler core material 17 is filled in the first core body. First core outside cladding in proper order has the polyester fiber plain weave in around covering 3, shielding netted inner conductor layer 4 and fluororesin area around covering antifriction layer 5, in an embodiment, the fluororesin area is around covering antifriction layer 5 for fluororesin around taking one-way spiral cover around the package structure, fluororesin is FEP, PFA or ETFE resin area around the package.
Three external control sinle silk 6 and nine power sinle silks 7 centers on the fluororesin area constitutes the second sinle silk body around the outside concentric transposition of package antifriction layer 5, every three power sinle silk 7 interval sets up one external control sinle silk 6, it is further, the second sinle silk body intussuseption is filled with resin and is filled core 17. In one embodiment, the power core 7 includes a second inner conductor 15 and a second PFA insulating layer 16, and further, the second inner conductor 15 is formed by concentrically twisting several tinned copper monofilaments having a diameter of 0.05mm to 0.08 mm. The second wire core body is coated with a polyester fiber plain weave fabric outer wrapping layer 8, a shielding mesh-shaped outer conductor layer 9, a butyl rubber moisture-proof layer 10, a polypropylene moisture-absorption layer 11 and a PVC outer sheath 12 in sequence. In one embodiment, the polypropylene moisture absorption layer 11 is a multi-layer lapped wrapping structure of polypropylene resin tapes.
In one embodiment, the inner control wire core 1 and the outer control wire core 6 each comprise two twisted pair wire cores 13 twisted in pairs to form a twisted pair core, the twisted pair core is externally coated with a first PFA insulating layer 14, the twisted pair wire cores 13 comprise a first inner conductor 18 and a foamed PFA insulating layer 19, and further, the first inner conductor 18 is formed by concentrically twisting a plurality of tin-plated copper monofilaments with the diameter of 0.02mm to 0.05 mm.
In one embodiment, the shielding mesh-shaped inner conductor layer 4 and the shielding mesh-shaped outer conductor layer 9 are formed by mixed unidirectional spiral winding of two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9 to 1, and the wire diameter of the tinned copper wires is 0.02mm to 0.08 mm.
In one embodiment, the polyester fiber plain cloth inner wrapping layer 3 and the polyester fiber plain cloth outer wrapping layer 8 are both polyester fiber plain cloth one-way spiral lapping and wrapping structures.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application.
Claims (10)
1. The thin-diameter moisture-proof reinforced multi-core shielded cable is characterized in that: twist jointly including five internal control sinle silk (1) and a central PFA resin plug (2) and constitute first line core body, first line core body outside in proper order the cladding have the polyester fiber plain weave in around covering (3), shielding netted inner conductor layer (4) and fluororesin area around covering antifriction layer (5), three external control sinle silk (6) and nine power sinle silk (7) center on the fluororesin area constitutes second line core body around covering antifriction layer (5) outside concentric transposition, every three power sinle silk (7) interval sets up one external control sinle silk (6), second line core body outside in proper order the cladding have the polyester fiber plain weave outward around covering (8), shielding netted outer conductor layer (9), butyl rubber dampproof course (10), polypropylene hygroscopic layer (11) and PVC oversheath (12).
2. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 1, wherein: the internal control wire core (1) and the external control wire core (6) comprise two twisted pair wire cores (13) which are twisted in pairs to form a twisted pair wire core body, a first PFA insulating layer (14) is coated outside the twisted pair wire core body, and the twisted pair wire cores (13) comprise a first inner conductor (18) and a foaming PFA insulating layer (19).
3. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 2, wherein: the first inner conductor (18) is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.02mm to 0.05 mm.
4. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 1, wherein: the power core (7) comprises a second inner conductor (15) and a second PFA insulating layer (16).
5. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 4, wherein: the second inner conductor (15) is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.08 mm.
6. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 1, wherein: the shielding mesh-shaped inner conductor layer (4) and the shielding mesh-shaped outer conductor layer (9) are formed by mixing and spirally winding two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1, and the wire diameter of each tinned copper wire is 0.02-0.08 mm.
7. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 1, wherein: the fluorine resin belt wrapping antifriction layer (5) is a fluorine resin wrapping belt one-way spiral lapping cover wrapping structure, and the fluorine resin wrapping belt is an FEP, PFA or ETFE resin belt.
8. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 1, wherein: the polyester fiber plain weave fabric inner wrapping layer (3) and the polyester fiber plain weave fabric outer wrapping layer (8) are both polyester fiber plain weave fabric one-way spiral lapping and wrapping structures.
9. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 1, wherein: the polypropylene moisture absorption layer (11) is of a multi-layer overlapping wrapping structure with polypropylene resin tapes.
10. The small-diameter moisture-proof reinforced multi-core shielded cable of claim 1, wherein: the first and second wire cores are filled with resin-filled core materials (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499097.7U CN214897683U (en) | 2021-07-02 | 2021-07-02 | Thin-diameter moisture-proof reinforced multi-core shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499097.7U CN214897683U (en) | 2021-07-02 | 2021-07-02 | Thin-diameter moisture-proof reinforced multi-core shielded cable |
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| CN214897683U true CN214897683U (en) | 2021-11-26 |
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| CN202121499097.7U Expired - Fee Related CN214897683U (en) | 2021-07-02 | 2021-07-02 | Thin-diameter moisture-proof reinforced multi-core shielded cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393208A (en) * | 2023-11-14 | 2024-01-12 | 三元科技（深圳）有限公司 | High-performance superfine ultrasonic cable |
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2021
- 2021-07-02 CN CN202121499097.7U patent/CN214897683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393208A (en) * | 2023-11-14 | 2024-01-12 | 三元科技（深圳）有限公司 | High-performance superfine ultrasonic cable |
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Granted publication date: 20211126 |