CN212847745U - 24 drag low frequency signal transmission cable for ocean - Google Patents
24 drag low frequency signal transmission cable for ocean Download PDFInfo
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- CN212847745U CN212847745U CN202021627528.9U CN202021627528U CN212847745U CN 212847745 U CN212847745 U CN 212847745U CN 202021627528 U CN202021627528 U CN 202021627528U CN 212847745 U CN212847745 U CN 212847745U
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Abstract
The utility model relates to a 24 drag and use low frequency signal transmission cable to the ocean, including 24 to the pair twisting unit, every pair twisting unit is formed by two different colour insulation core pair twists, and the conductor outside parcel has insulating layer, its characterized in that: the conductor is formed by simultaneously twisting 6 silver-plated copper wires and 1 stainless steel wire, and the outer side of the conductor is coated with a fluorinated ethylene propylene resin insulating material. The 24 pairs of line units are stranded together in three layers, and the outer side of each layer is provided with a ground wire wrapped aluminum-plastic composite tape for shielding. The outermost shielding outer side is wrapped with a water blocking strip and then is extruded with a soft polyurethane inner sheath waterproof layer, high-strength aramid fiber yarns are woven on the outer side of the waterproof layer to improve the tensile strength of the product, and a wear-resistant polyurethane outer sheath is extruded on the outer side of the aramid fiber yarns. Therefore the utility model has the advantages of simple structure, safe in utilization, electric stable performance, low frequency signal transmission performance are good, the interference killing feature is good, have block water, tensile strength is high, be suitable for being used for the marine exploration low frequency signal transmission to use.
Description
Technical Field
The utility model belongs to the technical field of wire and cable, especially, relate to a low frequency signal transmission cable is used in ocean drag.
Background
The low-frequency signal transmission cable for ocean towing mainly uses imported products, has a single use range and relatively small use amount, and has high requirements on electrical performance, environment resistance, tensile property and wear resistance. In recent years, with the increase of demand, such a special low-frequency signal transmission cable for marine towing is developed according to market demands.
Disclosure of Invention
The utility model discloses a solve the technical problem that exists among the well-known technology and provide a stable performance, safe in utilization, environmental resistance is good, and wear resistance is good, and tensile strength is high, has resistant oil, blocks water, soft 24 drags to the ocean and uses low frequency signal transmission cable.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:
the utility model provides a 24 draw and use low frequency signal transmission cable to ocean, includes 24 pairs of twist unit, and every pair of twist unit is formed by two different insulating core pair twists of colour pairing, and every conductor outside all wraps up has the insulating layer, its characterized in that: the conductor is formed by twisting 6 silver-plated copper wires and 1 stainless steel wire, and the outer side of the conductor is coated with a perfluorinated ethylene propylene resin insulating material. 24 pairs of twisting units are twisted together in three layers, a ground wire is added on the outer side of each layer to wrap an aluminum-plastic composite tape shielding layer, the outermost shielding outer side is wrapped with a waterproof tape and a polyurethane waterproof inner liner layer is extruded, a high-strength aramid fiber wire is woven on the outer side of the inner liner layer to improve the tensile strength of a product, and a wear-resistant polyurethane outer jacket is extruded on the outermost layer. Therefore the utility model has the advantages of simple structure, safe in utilization, electric stable performance, low frequency signal transmission performance are good, have block water, resistant oily, soft, and tensile strength is high, is particularly suitable for low frequency signal transmission on the ocean exploration ship and uses.
The utility model discloses can also adopt following technical measure:
the 24 pairs of conductor unit wire cores are formed by twisting 6 silver-plated copper wires and 1 stainless steel wire, the center layer is 1 stainless steel wire, the outer side is 6 silver-plated copper wires, and the diameter of each single wire is 0.05-0.13 mm.
The insulating layer is made of fluorinated ethylene propylene resin insulating material, the twisted pair groups adopt different twisting pitches, the near-end crosstalk attenuation is effectively reduced, and the far-end crosstalk defense level is improved.
The aramid fiber tensile layer is formed by weaving a plurality of aramid fiber yarns, and the total breaking force is kept at 30-50 kN. The tensile requirement of the cable is guaranteed, and the weight of the product is effectively reduced.
Through selecting for use high strength polyurethane oversheath and increasing the mode of strengthening rib when extruding, promoted the wearability of product, effectively prolonged the life of cable.
The utility model has the advantages and positive effects that:
because the above technical scheme is adopted in the utility model, compare with current cable, have following characteristics: 1. the use of the stainless steel wire in the center layer of the conductor improves the breaking force of the conductor and effectively reduces the probability of conductor open circuit; 2. the use of the silver-plated copper conductor and the fluorinated ethylene propylene resin insulating material improves the corrosion resistance of the cable conductor; 3. the use of the silver-plated conductor improves the conductivity of the cable, and the reasonable pitch design of the wire pairs improves the anti-interference performance of the cable; 4. evenly weave stranded aramid fiber silk, promoted the tensile strength of cable, 5 the polyurethane sheath of taking the strengthening rib uses, has increased the cable stand wear and tear performance, has effectually prolonged cable life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a tensile conductor unit; 2. a fluorinated ethylene propylene resin insulating layer; 3. the aluminum-plastic composite belt is provided with a shielding layer and a ground wire; 4. wrapping a water blocking tape; 5. a water-blocking inner liner layer; 6. aramid fiber tensile layer; 7. wear-resistant polyurethane sheath.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
please refer to fig. 1, a 24 to ocean drag with low frequency signal transmission cable, including 24 to drawing conductor unit 1, every conductor unit 1 outside all wraps up and gathers perfluor ethylene propylene resin insulating layer 2, and the sinle silk of every conductor unit uses and distinguishes with different colours, 24 adopt the concentric formula to twist together conductor unit 1, every line pair all adds the ground wire around covering aluminium-plastic composite tape shielding 3, has improved the interference killing feature of product, the outermost aluminium-plastic composite tape outside extrudes the inner liner 5 that blocks water behind covering water blocking tape 4, and aramid fiber silk reinforced layer 6 is woven to the outside, promotes the tensile strength of product, extrudes the polyurethane sheath 7 that has 24 convex ridges at last, promotes the wearability of cable, extension cable life.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (4)
1. The utility model provides a 24 draw and use low frequency signal transmission cable to ocean, includes 24 to the pair of twisting unit, every pair of pair unit is formed by two different colour insulation core pair twists, every conductor outside all wraps up the insulating layer, 24 to the pair of twisting unit divide the three-layer transposition together, every layer adds the ground wire respectively around covering the shielding of plastic-aluminum composite tape, the outermost shielding outside is extruded the waterproof inner liner of polyurethane after covering the water-blocking tape around the covering, high strength aramid fiber silk tensile layer is woven to the outside, extrude wear-resisting polyurethane oversheath at last.
2. The 24 pairs of low-frequency signal transmission cable for ocean towing according to claim 1, wherein: the conductor is formed by concentrically twisting 6 silver-plated copper wires and 1 stainless steel wire, the center layer is 1 stainless steel wire, the outer side is 6 silver-plated copper wires, the diameter of each single wire is 0.05-0.13 mm, and the conductor has good conductivity and tensile property.
3. The 24 pairs of low-frequency signal transmission cable for ocean towing according to claim 1, wherein: the tensile layer is uniformly woven outside the waterproof lining layer by dozens of aramid filaments, the weaving angle is 45-55 degrees, and the total breaking force is kept at 30-50 kN.
4. The 24 pairs of low-frequency signal transmission cable for ocean towing according to claim 1, wherein: when the cable uses the high-wear-resistance polyurethane to extrude the sheath, 24 reinforcing ribs are extruded out of the outer layer of the sheath through a special die, the height of each reinforcing rib is 1.2-1.8 mm, and the width of each reinforcing rib is 0.80-1.20 mm, so that the wear resistance of the outer sheath is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627528.9U CN212847745U (en) | 2020-08-09 | 2020-08-09 | 24 drag low frequency signal transmission cable for ocean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627528.9U CN212847745U (en) | 2020-08-09 | 2020-08-09 | 24 drag low frequency signal transmission cable for ocean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212847745U true CN212847745U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202021627528.9U Active CN212847745U (en) | 2020-08-09 | 2020-08-09 | 24 drag low frequency signal transmission cable for ocean |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263790A (en) * | 2021-12-27 | 2022-04-01 | 江阴市南方不锈钢管有限公司 | High-strength large-wall-thickness duplex stainless steel pipe for ocean engineering and production process thereof |
-
2020
- 2020-08-09 CN CN202021627528.9U patent/CN212847745U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263790A (en) * | 2021-12-27 | 2022-04-01 | 江阴市南方不锈钢管有限公司 | High-strength large-wall-thickness duplex stainless steel pipe for ocean engineering and production process thereof |
| CN114263790B (en) * | 2021-12-27 | 2024-05-17 | 江阴市南方不锈钢管有限公司 | High-strength large-wall-thickness duplex stainless steel pipe for ocean engineering and production process thereof |
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