CN220065261U - Bending-resistant sealed shielding type symmetrical communication cable - Google Patents
Bending-resistant sealed shielding type symmetrical communication cable Download PDFInfo
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- CN220065261U CN220065261U CN202321432509.4U CN202321432509U CN220065261U CN 220065261 U CN220065261 U CN 220065261U CN 202321432509 U CN202321432509 U CN 202321432509U CN 220065261 U CN220065261 U CN 220065261U
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- bending
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- 238000005452 bending Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 title claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000011888 foil Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 claims abstract description 6
- 239000000805 composite resin Substances 0.000 claims abstract description 6
- -1 polyethylene Polymers 0.000 claims abstract description 6
- 229920000573 polyethylene Polymers 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 12
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 9
- 238000009954 braiding Methods 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 230000017105 transposition Effects 0.000 claims 1
- 239000011162 core material Substances 0.000 abstract description 81
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010618 wire wrap Methods 0.000 abstract description 2
- 238000007747 plating Methods 0.000 description 3
- 238000009940 knitting Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model discloses an anti-bending sealed shielding type symmetrical communication cable, which comprises four inner layer twisted wire cores and eight outer layer twisted wire cores, wherein the inner layer twisted wire cores and the outer layer twisted wire cores are divided into an inner layer twisted wire core and an outer layer twisted wire core, the inner layer twisted wire cores and the outer layer twisted wire cores are sequentially distributed around the outer circumference of a central stainless steel wire strand at intervals and are twisted with an iron powder polyethylene composite resin core material to form a cable core, a grounding wire is arranged between each two outer layer twisted wire cores to form a group and is positioned between two adjacent inner layer twisted wire cores, the inner layer twisted wire cores and the outer layer twisted wire cores respectively comprise two insulating wire cores and two filling wire cores which are uniformly distributed in a cross shape and are twisted together to form a wire core body, the outer part of the wire core body is sequentially coated with an aluminum-plastic composite wrapping inner shielding layer, a silver-plated copper wire wrapping outer shielding layer and a tinned sealing shielding layer, and the outer part of the cable core is sequentially coated with an ETFE wrapping antifriction layer, an aluminum foil shielding layer, a metal wire mixed shielding layer and a polyvinyl chloride outer sheath layer. The cable has better bending resistance, the copper wires of the wire core shielding layer are tightly sealed, and the long-distance transmission attenuation of high-frequency signals is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a bending-resistant sealed shielding type symmetrical communication cable.
Background
In the intelligent industrial production line, the symmetrical communication cable is applied to signal transmission and control systems in monitoring equipment, electronic computers and information processing equipment. After the common multi-core communication cable is repeatedly bent under normal working conditions, the bending resistance is insufficient, the shielding layer is easy to break, so that the anti-interference capability is weakened, the attenuation amount of long-distance high-frequency signals is large, and the shielding performance is unstable and needs to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the bending-resistant sealed shielding type symmetrical communication cable which has better bending resistance, copper wires of a wire core shielding layer are sealed, the occurrence of wire breakage of the shielding layer is effectively avoided, the long-distance transmission attenuation of high-frequency signals is effectively reduced, the anti-interference capability is strong, and the shielding performance is stable.
The utility model solves the technical problems through the following technical proposal.
The utility model provides an anti-bending closed shielding type symmetrical communication cable, includes four inlayer pair twisted wire cores and eight outer pair twisted wire cores divide inside and outside two-layer around the outside circumference interval equipartition of center stainless steel wire stranded conductor in proper order and strand jointly with iron powder polyethylene composite resin core and constitute the cable core, every two be equipped with a earth connection between the outer pair twisted wire core and constitute a set of and be located between the inlayer pair twisted wire core, inlayer pair twisted wire core with outer pair twisted wire core all includes two insulating wire cores and two packing core strips and is cross equipartition and strand jointly and form the core body, the outside cladding of the core body has aluminium plastic composite around package inner shielding layer, silver-plated copper wire winding outer shielding layer and tinning closed shielding layer in proper order, the outside cladding of cable core has ETFE around package antifriction layer, aluminium foil shielding layer, metal wire mixed knitting shielding layer and polyvinyl chloride outer sheath layer in proper order.
Preferably, the insulated wire core comprises an inner conductor and an XLPE insulation layer.
Preferably, the inner conductor is formed by twisting a plurality of tinned copper monofilaments with diameters of 0.05mm to 0.1 mm.
Preferably, the wire core body twisting direction, the cable core twisting direction, the aluminum-plastic composite wrapping inner shielding layer winding direction and the ETFE wrapping antifriction layer winding direction are the same.
Preferably, the central stainless steel wire stranded wire is formed by a plurality of stainless steel wire bundles with the wire diameters of 0.1mm to 0.3 mm.
Preferably, the aluminum-plastic composite wrapping inner shielding layer is of an aluminum-plastic composite belt unidirectional spiral lapping and wrapping structure, and the aluminum-plastic composite belt comprises an aluminum foil outer layer and a PET film inner layer.
Preferably, the silver-plated copper wire winding outer shielding layer is of a side-by-side spiral winding structure with a plurality of silver-plated copper wires with the wire diameters of 0.08mm to 0.1 mm.
Preferably, the silver-plated copper wire is wound around the outer surface of the outer shielding layer to form a tin-plated sealing shielding layer by electroplating.
Preferably, the metal wire mixed-braiding shielding layer is formed by reversely spirally winding and braiding a plurality of tinned copper wires and a plurality of aluminum-magnesium wires, and the wire diameter of the tinned copper wires is smaller than that of the aluminum-magnesium wires.
Preferably, the grounding wire is formed by twisting and compacting a plurality of soft copper wires with the wire diameter of 0.1mm to 0.2 mm.
The utility model has the beneficial effects that:
1. the inner layer pair twisted wire core and the outer layer pair twisted wire core are the same insulating wire core and two filling core strips which are assembled to form a wire core body structure, so that the cross-section structure of the wire core body is more balanced, the attenuation of high-frequency signals is reduced, the electric characteristics of the pair twisted wire cores are improved, the inner layer pair twisted wire core and the outer layer pair twisted wire core are arranged at intervals through the iron powder polyethylene composite resin core material, the cable core structure is more balanced and stable when being subjected to bending, the bending resistance is improved, the inner layer pair twisted wire core and the outer layer pair twisted wire core are not easy to loosen, the durability is better, the central part is provided with the central stainless steel wire stranded wire, the tensile strength and the bending resistance of the cable core are improved, the cable core is externally wrapped with the ETFE wrapping antifriction layer to prevent the inner wire core of the cable core from loosening, friction is reduced, the sliding property is improved, the stress concentration of each pair twisted wire core is reduced, and the bending resistance of the cable is improved.
2. The aluminum-plastic composite wrapping inner shielding layer, the silver-plated copper wire winding outer shielding layer and the tin-plating sealing shielding layer jointly form the shielding conductor, so that signal crosstalk is effectively restrained, the silver-plated copper wire can be well contacted with aluminum foil, shielding performance is enhanced, the silver-plated copper wire winding structure is higher in conductivity and better in electrical property, the silver-plated copper wires spirally wound side by side are tightly connected into a whole through the tin-plating sealing shielding layer, bending resistance is greatly improved, loosening and wire breakage of the silver-plated copper wires are effectively avoided, the tin-plating sealing shielding layer can effectively fill gaps formed by the silver-plated copper wire winding outer shielding layer, better shielding density is guaranteed, signal attenuation is reduced, anti-interference capability is improved, and stable and reliable electrical property is guaranteed.
3. The double-layer total shielding conductor is formed by the aluminum foil shielding layer and the metal wire mixed-woven shielding layer together, so that internal signals or noise leakage to the outside is effectively inhibited, interference from external signals is inhibited, the metal wire mixed-woven shielding layer is used for replacing a single copper wire or an aluminum wire woven shielding layer, the rigidity of a tinned copper wire is high, the rigidity of an aluminum magnesium wire is weaker than that of the tinned copper wire, the tinned copper wire and the aluminum magnesium wire are in a reverse spiral winding woven structure, the diameter ratio of the tinned copper wire to the aluminum magnesium wire is optimized, the flexibility of the total shielding layer is improved, the bending resistance performance is better, and the double-layer total shielding conductor is durable in use.
4. The wire core body is twisted to, the cable core is twisted to, the shielding layer is wound to in the aluminum-plastic composite winding and the ETFE is wound to the antifriction layer to be the same, so that balanced and stable cable core structures are guaranteed, each pair of twisted wire cores is prevented from loosening, and stable long-distance high-frequency signal transmission characteristics are guaranteed.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
fig. 2 is a schematic cross-sectional structure of an inner and outer twisted pair core according to an embodiment of the present utility model.
Reference numerals illustrate:
the cable comprises a 1-inner layer twisted wire core, a 2-outer layer twisted wire core, a 3-center stainless steel wire strand, a 4-iron powder polyethylene composite resin core, a 5-grounding wire, a 6-insulating wire core, an 8-filling core strip, a 9-aluminum plastic composite wrapping inner shielding layer, a 10-silver-plated copper wire wrapping outer shielding layer, a 11-tinning sealing shielding layer, a 12-ETFE wrapping antifriction layer, a 13-aluminum foil shielding layer, a 14-metal wire mixed-woven shielding layer, a 15-polyvinyl chloride outer sheath layer, a 16-inner conductor and a 17-XLPE insulating layer.
Description of the embodiments
The terminology used in the description of the embodiments of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, as will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the bending-resistant sealed shielding type symmetrical communication cable in the embodiment of the utility model comprises four inner layer pair twisted wire cores 1 and eight outer layer pair twisted wire cores 2, wherein the inner layer and the outer layer are sequentially and circumferentially distributed around the outer part of a central stainless steel wire stranded wire 3 at intervals and are stranded together with an iron powder polyethylene composite resin core material 4 to form a cable core, and further, the central stainless steel wire stranded wire 3 is formed by a plurality of stainless steel wire bundles with the wire diameters of 0.1mm to 0.3 mm. And a grounding wire 5 is arranged between every two outer layer pair twisted wire cores 2 to form a group and is positioned between two adjacent inner layer pair twisted wire cores 1, and further, the grounding wire 5 is formed by twisting and compacting a plurality of soft copper wires with the wire diameters of 0.1mm to 0.2 mm. The inner layer pair twisted wire core 1 and the outer layer pair twisted wire core 2 respectively comprise two insulating wire cores 6 and two filling core strips 8 which are uniformly distributed in a cross shape and are twisted together to form a wire core body, in one embodiment, the insulating wire cores 6 comprise an inner conductor 16 and an XLPE insulating layer 17, and specifically, the inner conductor 16 is formed by twisting a plurality of tin-plated copper monofilaments with diameters of 0.05mm to 0.1 mm. The outside cladding of sinle silk body has aluminium-plastic composite around package inner shielding layer 9, silver-plated copper wire winding outer shielding layer 10 and tinning seal shielding layer 11 in proper order, further, silver-plated copper wire winding outer shielding layer 10 surface electroplates and forms tinning seal shielding layer 11. In one embodiment, the aluminum-plastic composite wrapping inner shielding layer 9 is an aluminum-plastic composite belt unidirectional spiral lapping and wrapping structure, and the aluminum-plastic composite belt comprises an aluminum foil outer layer and a PET film inner layer. In one embodiment, the silver-plated copper wire wound outer shielding layer 10 is a side-by-side spiral winding structure of a plurality of silver-plated copper wires with wire diameters of 0.08mm to 0.1 mm.
The cable core is sequentially coated with an ETFE wrapping antifriction layer 12, an aluminum foil shielding layer 13, a metal wire mixed-woven shielding layer 14 and a polyvinyl chloride outer sheath layer 15. The wire core body twisting direction, the cable core twisting direction, the aluminum-plastic composite wrap inner shielding layer 9 winding direction and the ETFE wrap antifriction layer 12 winding direction are the same. In one embodiment, the metal wire mixed-knitting shielding layer 14 is formed by mutually and reversely spirally winding a plurality of tinned copper wires and a plurality of aluminum-magnesium wires, and the wire diameter of the tinned copper wires is smaller than that of the aluminum-magnesium wires.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a bending resistance seals shielding type symmetrical communication cable which characterized in that: including four inlayer pair twisted wire core (1) and eight outer pair twisted wire core (2) are interior outer two-layer in proper order around the outside circumference interval equipartition of center stainless steel wire stranded conductor (3) and with the common transposition of iron powder polyethylene composite resin core (4) constitute the cable core, every two be equipped with a ground wire (5) between outer pair twisted wire core (2) and constitute a set of and be located between the inlayer pair twisted wire core (1), inlayer pair twisted wire core (1) with outer pair twisted wire core (2) all include two insulating wire core (6) and two packing core strip (8) are cross equipartition and form the sinle silk body jointly, the outside cladding of sinle silk body has aluminium plastic composite around package inner shielding layer (9), silver-plated copper wire winding outer shielding layer (10) and closely shielding layer (11), the outside cladding of cable core has ETFE around package antifriction layer (12), aluminium foil shielding layer (13), metal wire mixed braiding shielding layer (14) and polyvinyl chloride outer sheath layer (15) in proper order.
2. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: the insulated wire core (6) comprises an inner conductor (16) and an XLPE insulation layer (17).
3. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 2, wherein: the inner conductor (16) is formed by twisting a plurality of tinned copper monofilaments with diameters of 0.05mm to 0.1 mm.
4. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: the wire core body twisting direction, the cable core twisting direction, the winding direction of the aluminum-plastic composite wrap inner shielding layer (9) and the winding direction of the ETFE wrap antifriction layer (12) are the same.
5. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: the central stainless steel wire stranded wire (3) is formed by a plurality of stainless steel wire bundles with the wire diameters of 0.1mm to 0.3 mm.
6. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: the aluminum-plastic composite wrapping inner shielding layer (9) is of an aluminum-plastic composite belt unidirectional spiral lapping and wrapping structure, and the aluminum-plastic composite belt comprises an aluminum foil outer layer and a PET film inner layer.
7. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: the silver-plated copper wire winding outer shielding layer (10) is of a parallel spiral winding structure of a plurality of silver-plated copper wires with the wire diameters of 0.08mm to 0.1 mm.
8. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: and the silver-plated copper wire is wound on the outer surface of the outer shielding layer (10) and electroplated to form a tinned sealing shielding layer (11).
9. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: the metal wire mixed-braiding shielding layer (14) is formed by reversely spirally winding and braiding a plurality of tinned copper wires and a plurality of aluminum-magnesium wires, and the wire diameter of the tinned copper wires is smaller than that of the aluminum-magnesium wires.
10. The bending-resistant, sealed, shielded, symmetrical communications cable of claim 1, wherein: the grounding wire (5) is formed by twisting and compacting a plurality of soft copper wires with the wire diameters of 0.1mm to 0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321432509.4U CN220065261U (en) | 2023-06-07 | 2023-06-07 | Bending-resistant sealed shielding type symmetrical communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321432509.4U CN220065261U (en) | 2023-06-07 | 2023-06-07 | Bending-resistant sealed shielding type symmetrical communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065261U true CN220065261U (en) | 2023-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321432509.4U Active CN220065261U (en) | 2023-06-07 | 2023-06-07 | Bending-resistant sealed shielding type symmetrical communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065261U (en) |
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2023
- 2023-06-07 CN CN202321432509.4U patent/CN220065261U/en active Active
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