A floating wire

Abstract

The application relates to the technical field of wires, in particular to a floating wire, which is characterized by the following steps: a plurality of core wires and filling strips are arranged; an inner coating layer and a sheath layer are arranged on the core wires and the filling strips; the plurality of core wires and the filling strips are stranded into a cable; the core wire comprises a conductor and an insulating layer arranged on the conductor; the insulating layer comprises a PP foamed layer and a first skin layer; and the sheath layer comprises a TPE foamed layer and a second skin layer. The insulating layer of the core wire is designed as a PP foamed layer plus a skin layer structure, and the sheath layer is designed as a TPE foamed layer plus a skin layer structure, so that the two structures jointly make the overall density of the wire 0.9 g / cm 3 , which is less than that of water, and the wire has excellent floating performance; and the structure can guarantee that the wire has normal performance under harsh environments and meets the requirements of different application scenarios.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wire, in particular to a floating wire. BACKGROUND

[0002] In modern industry and daily life, the application of wire is extremely wide, especially in underwater operation, fishery, ocean exploration, submarine motor, underwater robot, underwater unmanned glider and other fields, the floating performance of wire is particularly important. The existing floating wire usually fixes foam outside the wire or covers the wire inside the foam, so as to achieve the purpose of wire floating, but these wires often have problems such as unstable floating performance, increased wire diameter and short service life. Therefore, it is urgent to develop a new floating wire structure to meet the needs of different water scenes. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the present application provides a floating wire, which comprises a plurality of core wires, a plurality of bundles of filling strips, and an inner sheath layer and a sheath layer covering the core wires and the filling strips, the plurality of core wires and the filling strips are stranded into a cable, the core wire comprises a conductor and an insulating layer covering the conductor, the insulating layer comprises a PP foamed layer and a first skin layer, and the sheath layer comprises a TPE foamed layer and a second skin layer.

[0004] Preferably, the thickness of the inner sheath layer is 0.8-1mm.

[0005] Preferably, each bundle of the filling strip is composed of 12-14 PET filaments with a diameter of 0.25mm.

[0006] Preferably, the material of the first skin layer is polypropylene.

[0007] Preferably, the thickness of the PP foamed layer is 0.29-0.35mm, and the thickness of the first skin layer is 0.08-0.1mm.

[0008] Preferably, the material of the inner sheath layer and the second skin layer is thermoplastic elastomer.

[0009] Preferably, the thickness of the TPE foamed layer is 1.4-1.75mm, and the thickness of the second skin layer is 0.16-0.2mm.

[0010] Preferably, the pitch of the core wire and the filling strip is 100-120mm.

[0011] Preferably, the diameter of the conductor is 1.16-1.2mm, and the conductor is twisted by a plurality of bare soft copper wires with a twisting pitch of 27-32mm.

[0012] As can be seen from the above, the following beneficial effects can be obtained by applying the method provided in this application: By setting several core wires and filler strips, and an inner sheath and protective layer covering the core wires and filler strips, the several core wires and filler strips are twisted into a cable. Each core wire includes a conductor and an insulation layer covering the conductor. The insulation layer includes a PP foam layer and a first sheath layer, and the protective layer includes a TPE foam layer and a second sheath layer. By designing the insulation layer of the core wire as a PP foam layer plus a protective layer structure, and simultaneously setting the protective layer as a TPE foam layer plus a protective layer structure, the combined effect of both results in an overall wire density of 0.9 g / cm³. 3 It has a density less than water, exhibits excellent buoyancy, and the aforementioned structure ensures that the wire can perform normally in harsh environments, meeting the needs of different application scenarios. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments of this application or the prior art will be briefly introduced below. Obviously, the accompanying drawings described below are only a part of the embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the floating wire structure in an embodiment of this application. Detailed Implementation

[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0016] Example

[0017] To address the aforementioned technical problems, this embodiment provides a floating line, such as... Figure 1 As shown, the cable includes several core wires 10, several bundles of filler strips 20, and an inner sheath layer 30 and a sheath layer 40 covering the core wires 10 and filler strips 20. The core wires 10 and filler strips 20 are twisted into a cable. Each core wire 10 includes a conductor 11 and an insulation layer 12 covering the conductor 11. The insulation layer 12 includes a PP foam layer 121 and a first sheath layer 122. The sheath layer 40 includes a TPE foam layer 41 and a second sheath layer 42. By designing the insulation layer 12 of the core wire 10 as a PP foam layer plus a sheath layer structure, and setting the sheath layer 40 as a TPE foam layer plus a sheath layer structure, the combined effect of these two elements results in an overall cable density of 0.9 g / cm³. 3The density of the cable is less than water, and the cable has excellent floating performance. The structure can ensure that the cable has normal performance in harsh environments and meets the needs of different application scenarios.

[0018] Specifically, the thickness of the inner sheath layer 30 is 0.8-1mm, and the thinnest part of the inner sheath layer 30 is not less than 0.8mm. Preferably, the thickness of the inner sheath layer 30 is 1mm, and the material of the inner sheath layer 30 is thermoplastic elastomer.

[0019] Further, the core wire 10 is provided with two core wires 10 arranged along the vertical direction, and the filling strip 20 is provided with two bundles and is symmetrically arranged on both sides of the core wire 10. Each bundle of the filling strip 20 is composed of 12-14 PET filaments with a diameter of 0.25mm, which improves the strength of the cable. The core wire 10 and the filling strip 20 are twisted to form a cable, and the pitch of the twist is 100-120mm.

[0020] Further, the diameter of the conductor 11 of the core wire 10 is 1.16-1.2mm, and the diameter is preferably 1.16mm. The conductor 11 is twisted by 16 bare soft copper wires, and the pitch of the twist of the copper wire is 27-32. The bare copper soft wire has good conductivity, high softness, bending strength and bending resistance, which effectively ensures that the performance of the floating wire is fully utilized.

[0021] Further, the thickness of the insulating layer 12 is 0.45mm, and the material of the PP foaming layer 121 and the first skin layer 122 is polypropylene. The thickness of the PP foaming layer 121 is 0.29-0.35mm, and the thickness of the first skin layer 122 is 0.08-0.1mm. Preferably, the thickness of the PP foaming layer 121 is 0.35mm, the thinnest point is not less than 0.29mm, the extrusion temperature is 170-200℃, and the injection needle temperature is 200℃. The thickness of the first skin layer 122 is 0.1mm, the thinnest point is not less than 0.08mm, and the extrusion temperature is 170-200℃.

[0022] Further, the material of the inner sheath layer 30, the TPE foaming layer 41 and the second skin layer 42 is thermoplastic elastomer.

[0023] The sheath layer 40 includes the TPE foaming layer 41 and the second skin layer 42. The thickness of the TPE foaming layer 41 is 1.4-1.75mm, and the thickness of the TPE foaming layer 41 is preferably 1.65mm, and the thinnest part is not less than 1.4mm. The extrusion temperature of the TPE foaming layer 41 is 160-190℃, and the injection needle temperature is 190℃. The thickness of the second skin layer 42 is 0.16-0.2mm, and the thickness of the second skin layer 42 is preferably 0.2mm, and the thinnest part is not less than 0.16mm. The extrusion temperature is 160-190℃.

[0024] The sizes of the structures of the cable are designed so that the overall density of the wire is 0.9 g / cm 3 , which is less than water, so that the wire has excellent floating performance.

[0025] In summary, the scheme of the present application sets several core wires and filling strips, and the inner sheath layer and the sheath layer covering the core wires and the filling strips. The several core wires and the filling strips are stranded into a cable. The core wire includes a conductor and an insulating layer covering the conductor. The insulating layer includes a PP foamed layer and a first skin layer. The sheath layer includes a TPE foamed layer and a second skin layer. The insulating layer of the core wire is designed as a PP foamed layer plus a skin layer structure, and the sheath layer is designed as a TPE foamed layer plus a skin layer structure. The two structures work together to make the overall density of the wire 0.9 g / cm 3 , which is less than water, so that the wire has excellent floating performance. The above structure can ensure that the wire has normal performance in harsh environments and meets the needs of different application scenarios.

[0026] The above-mentioned embodiments do not constitute a limitation on the protection scope of the technical solution. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the above-mentioned embodiments shall be included in the protection scope of the technical solution.

Claims

1. A floating wire, characterized by: The cable comprises a plurality of core wires (10), a plurality of bundles of filling strips (20), and an inner sheath layer (30) and a sheath layer (40) covering the core wires (10) and the filling strips (20), the core wires (10) and the filling strips (20) are stranded into a cable, the core wire (10) comprises a conductor (11) and an insulating layer (12) covering the conductor (11), the insulating layer (12) comprises a PP foamed layer (121) and a first skin layer (122), and the sheath layer (40) comprises a TPE foamed layer (41) and a second skin layer (42).

2. The floating wire of claim 1, wherein: The thickness of the inner sheath layer (30) is 0.8-1mm.

3. The floating wire of claim 1, wherein: Each bundle of the filling strips (20) is composed of 12-14 PET filaments with a diameter of 0.25mm.

4. The floating wire of claim 1, wherein: The material of the first skin layer (122) is polypropylene.

5. The floating wire of claim 4, wherein: The thickness of the PP foamed layer (121) is 0.29-0.35mm, and the thickness of the first skin layer (122) is 0.08-0.1mm.

6. The floating wire of claim 1, wherein: The materials of the inner sheath layer (30) and the second skin layer (42) are thermoplastic elastomers.

7. The floating wire of claim 6, wherein: The thickness of the TPE foamed layer (41) is 1.4-1.75mm, and the thickness of the second skin layer (42) is 0.16-0.2mm.

8. The floating wire of claim 1, wherein: The pitch of the stranding of the core wires (10) and the filling strips (20) is 100-120mm.

9. The floating wire of claim 1, wherein: The diameter of the conductor (11) is 1.16-1.2mm, and the conductor (11) is stranded by a plurality of bare soft copper wires with a stranding pitch of 27-32mm.

Images