Flat floating cable for environment monitoring platform

Abstract

The utility model discloses a flat floating cable for an environment monitoring platform. The cable comprises collection units and an outer sheath collection, the four collection units which are used for two power transmission, one differential signal transmission and one signal control transmission and are arranged side by side in parallel are arranged in an outer sheath, and the periphery of each collection unit is wrapped by the outer sheath; in the collection unit, the peripheries of the cable cores and the filling assemblies are wrapped by a wrapping layer, and the filling assemblies are arranged in gaps between the cable cores and the wrapping layer and gaps in the cable cores. The cable is ingenious in structural design, each collection unit core wire unit, the Kevlar fiber and the water-blocking yarn filling assembly are integrated to form the cable, and due to the design of the flat structure, the installation space is effectively saved, the wiring flexibility is improved, and the cost is reduced. And normal power and signal transmission functions of the cable can be ensured in severe working environments such as deep sea monitoring and underwater construction for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric wire and cable, concretely relates to a flat type floating cable of environmental monitoring platform. BACKGROUND

[0002] With the increasing of marine economic activities in China, such as the rapid development of offshore natural gas, oil exploitation, navy, coast guard and other fields, higher requirements are put forward for the performance and adaptability of the cable. In order to ensure the stable linkage of signal transmission, power supply and equipment control system from underwater to water surface and provide support for underwater robot monitoring technology, the traditional cable has many deficiencies in the application on the sea and underwater, such as heavy weight, poor corrosion resistance, easy to be damaged by external objects and the like.

[0003] The floating cable is a revolution of the traditional cable, and is an important step for the cable industry to move towards higher performance and more extensive application fields.

[0004] The existing flat type floating cable has some defects in actual application, mainly showing that the cable is repeatedly dragged, pulled and the like in the working environment of deep sea monitoring, underwater construction and the like for a long time, and the outer sheath is damaged after the cable is rubbed with rocks, marine organisms and the like, extruded or scratched by external force, so that the normal power and signal transmission functions of the cable cannot be guaranteed. UTILITY MODEL CONTENTS

[0005] In order to solve the problems in the background art, the utility model provides a flat type floating cable of environmental monitoring platform.

[0006] The utility model adopts the technical scheme that:

[0007] The cable is mainly composed of a collection unit and an outer sheath, four parallel and side-by-side collection units are arranged in the outer sheath, and the outer periphery of each collection unit is wrapped by the outer sheath;

[0008] The collection unit is mainly composed of a cable core, a filling component and a cladding layer, the outer periphery of the cable core and the filling component is wrapped by the cladding layer, and the filling component is added to the gap surrounded by the outer periphery of the cable core and the cladding layer and the internal gap of each cable core;

[0009] The four collection units are respectively a power transmission collection unit I, a power transmission collection unit II, a differential signal transmission collection unit and a signal control transmission collection unit.

[0010] The power transmission collection unit I and the power transmission collection unit II are arranged on the two sides respectively, and the differential signal transmission collection unit and the signal control transmission collection unit are arranged in the middle.

[0011] The cable core of the power transmission assembly unit I is mainly composed of three power transmission insulated core wires I, and the gap between the three power transmission insulated core wires I serves as the internal gap of the cable core of the power transmission assembly unit I; the cable core of the power transmission assembly unit II is mainly composed of three power transmission insulated core wires II, and the gap between the three power transmission insulated core wires II serves as the internal gap of the cable core of the power transmission assembly unit II.

[0012] The cable core of the differential signal transmission assembly unit is mainly composed of four differential signal transmission insulated core wires, and the gap between the four differential signal transmission insulated core wires serves as the internal gap of the cable core of the differential signal transmission assembly unit.

[0013] The cable core of the signal control transmission assembly unit is mainly composed of five signal control transmission insulated core wires, and the gap between the four differential signal transmission insulated core wires serves as the internal gap of the cable core of the signal control transmission assembly unit.

[0014] The filling assembly is mainly composed of Kevlar fiber and water-blocking yarn, the water-blocking yarn is arranged in the gap between the outer periphery of the cable core and the cladding layer, and the Kevlar fiber is filled in the gap except the water-blocking yarn; the internal gap of each cable core is filled with Kevlar fiber, and the internal gap of each cable core can be selectively provided with water-blocking yarn.

[0015] The internal gap of the cable core of the power transmission assembly unit I and the power transmission assembly unit II is only filled with Kevlar fiber;

[0016] The internal gap of the cable core of the differential signal transmission assembly unit and the signal control transmission assembly unit is provided with water-blocking yarn, and the Kevlar fiber is filled in the gap except the water-blocking yarn.

[0017] The core wire of the power transmission assembly unit I, the power transmission assembly unit II, the differential signal transmission assembly unit and the signal control transmission assembly unit is mainly composed of a metal wire and an outer cladding insulating material.

[0018] The cladding layer is mainly composed of water-blocking tape and braided mesh arranged from inside to outside, and the cladding layer is in contact with the outer periphery of the cable core and the filling assembly.

[0019] The braided mesh is made of anti-bending copper wire.

[0020] The outer sheath is made of foamed polyurethane TPU.

[0021] The utility model discloses a special high-strength insulating material, tensile filling unit and compact structure design, solve the internal conductor fracture problem caused in the repeated dragging, pulling process of cable in the working environment. Meanwhile, the design of low-density, high-wear-resistance, high-strength sheath material ensures that the cable has a certain buoyancy in water, and resists the skin damage of the sheath caused by external force collision and friction in water for a long time.

[0022] The utility model has the advantages of the following:

[0023] 1. As an improvement of the utility model, the high-strength tensile Kevlar fiber filling can ensure that the floating cable does not break in repeated dragging and pulling in deep-sea monitoring, underwater construction and other working environments, and still ensures the normal power and signal transmission function of the cable.

[0024] 2. As an improvement of the utility model, the water-blocking yarn filling forms a layer of gel-like substance after encountering water, effectively preventing water from further penetrating and spreading into the cable, and can enhance the structural strength of the cable, provide additional support and protection, help maintain the overall shape and stability of the cable, and avoid water penetration leading to electrical performance degradation, signal transmission obstruction and even equipment damage.

[0025] 3. As an improvement of the utility model, the low-density foamed polyurethane TPU material can reduce the overall density of the cable, so that the cable has a certain buoyancy in water, has good wear resistance, can resist frequent bending and wear, and protect the internal structure of the cable from external damage. At the same time, foamed polyurethane TPU has good chemical corrosion resistance, and can resist the corrosion of seawater, acid and alkali and other corrosive media.

[0026] In summary, the utility model has a clever structure design, each collection unit core wire unit and Kevlar fiber and water-blocking yarn filling assembly are collected into a cable, covered with a water-blocking belt, and shielded by bending-resistant thin copper wire. Each unit is parallel and placed behind a foamed polyurethane TPU outer sheath. The flat structure design effectively saves installation space and improves wiring flexibility. The application of special materials ensures that the cable still has normal power and signal transmission function in deep-sea monitoring, underwater construction and other harsh working environments. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The utility model discloses an environmental monitoring platform flat type floating cable cross section structure schematic diagram.

[0028] In the figure: 1, power transmission insulated core wire I, 2, differential signal transmission insulated core wire, 3, signal control transmission insulated core wire, 4, power transmission insulated core wire II, 5, Kevlar fiber, 6, water-blocking yarn, 7, water-blocking tape, 8, braided mesh, 9, foamed polyurethane TPU. DETAILED DESCRIPTION

[0029] The utility model will be made further detailed explanation in combination with the specific embodiment and the drawing.

[0030] The flat type floating cable cross section structure of the environmental monitoring platform is as shown in Figure 1 The cable is mainly composed of a collection unit and an outer sheath 9, four parallel and side-by-side collection units are arranged in the outer sheath 9, and the outer periphery of each collection unit is wrapped by the outer sheath 9.

[0031] The collection unit is mainly composed of a cable core, a filling assembly and a cladding layer, the outer periphery of the cable core and the filling assembly is wrapped by the cladding layer, and the gap surrounded by the outer periphery of the cable core and the cladding layer and the internal gap of each cable core are filled with the filling assembly.

[0032] The four collection units are respectively a power transmission collection unit I, a power transmission collection unit II, a differential signal transmission collection unit and a signal control transmission collection unit.

[0033] The flat type floating cable cross section structure of the environmental monitoring platform is as shown in Figure 1 The power transmission collection unit I and the power transmission collection unit II are arranged on both sides in the outer sheath 9 respectively, and the differential signal transmission collection unit and the signal control transmission collection unit are arranged in the middle in the outer sheath 9.

[0034] In the specific implementation, the power transmission collection unit I, the differential signal transmission collection unit, the signal control transmission collection unit and the power transmission collection unit II are arranged in sequence and at intervals along the horizontal direction, and finally the above four are included by the same outer sheath 9.

[0035] The cable core of the power transmission collection unit I is mainly composed of three power transmission insulated core wires I1, and the gap between the three power transmission insulated core wires I1 serves as the internal gap of the cable core of the power transmission collection unit I; the cable core of the power transmission collection unit II is mainly composed of three power transmission insulated core wires II4, and the gap between the three power transmission insulated core wires II4 serves as the internal gap of the cable core of the power transmission collection unit II.

[0036] The cable core of the differential signal transmission collection unit is mainly composed of four differential signal transmission insulated core wires 2, and the gap between the four differential signal transmission insulated core wires 2 serves as the internal gap of the cable core of the differential signal transmission collection unit.

[0037] The cable core of the signal control transmission assembly unit is mainly composed of five signal control transmission insulated core wires 3 twisted together, and the gap between the four differential signal transmission insulated core wires 2 serves as the internal gap of the cable core of the signal control transmission assembly unit.

[0038] The outer periphery of the cable core and the filling assembly is wrapped by a cladding layer, and the gap surrounded by the outer periphery of the cable core and the cladding layer and the internal gap of each cable core are both added with the filling assembly.

[0039] The filling assembly is mainly composed of Kevlar fiber 5 and water-blocking yarn 6, the water-blocking yarn 6 is arranged in the gap surrounded by the outer periphery of the cable core and the cladding layer, the Kevlar fiber 5 is filled in the gap except the water-blocking yarn 6, the internal gap of each cable core is filled with the Kevlar fiber 5, and the internal gap of each cable core is selectively provided with the water-blocking yarn 6.

[0040] The internal gap of the cable core of the power transmission assembly unit I and the power transmission assembly unit II is only filled with the Kevlar fiber 5; the internal gap of the cable core of the differential signal transmission assembly unit and the signal control transmission assembly unit is provided with the water-blocking yarn 6, and the Kevlar fiber 5 is filled in the gap except the water-blocking yarn 6.

[0041] The core wire of the power transmission assembly unit I, the power transmission assembly unit II, the differential signal transmission assembly unit and the signal control transmission assembly unit is mainly composed of a metal wire and an outer cladding insulating material.

[0042] The core wire of the differential signal transmission assembly unit can be further composed of two signal wires, each of which is mainly composed of a metal wire and an outer cladding insulating material.

[0043] The outer periphery of the cable core and the filling assembly is wrapped by a cladding layer, and the gap surrounded by the outer periphery of the cable core and the cladding layer and the internal gap of each cable core are both added with the filling assembly

[0044] The cladding layer is mainly composed of water-blocking tape 7 and braided mesh 8 arranged from inside to outside, the water-blocking tape 7 is located in the inner layer, and the braided mesh 8 is located in the outer layer, and the cladding layer respectively contacts the outer periphery of the cable core and the filling assembly.

[0045] A solid waterproof barrier can be formed by the water-blocking tape 7 to prevent external moisture from entering the inside of the cable. The braided mesh 8 as a shielding layer can effectively reduce the influence of external electromagnetic field on the power supply or communication line, and at the same time prevent the line itself from radiating electromagnetic energy outward, thereby protecting the stability and integrity of signal transmission.

[0046] In specific implementation,

[0047] A water-blocking yarn 6 is arranged in each gap formed by the outer periphery of the cable core of the power transmission assembly unit I, the power transmission assembly unit II, the differential signal transmission assembly unit and the signal control transmission assembly unit and the cladding layer, and the gap outside the water-blocking yarn 6 is further filled with Kevlar fiber 5.

[0048] In a specific implementation, each assembly unit of the power transmission core wire, the differential signal transmission core wire and the signal control core wire is assembled into a cable with the Kevlar fiber and the water-blocking yarn filling assembly, and then covered with a water-blocking tape 7, and shielded with an anti-bending extremely thin tinned copper wire as a woven mesh 8, and then wrapped with a foamed polyurethane TPU outer sheath 9.

[0049] In a specific implementation, an IEC 60228 Class.6 ultra-fine conductor can be used to further improve the flexibility of the conductor, enhance the mechanical strength, and avoid the risk of fracture caused by mechanical impact such as bending of the conductor in the cable at a small bending radius in continuous motion through a torsion production process.

[0050] In a specific implementation, the water-blocking tape is used for covering, and a polyester fiber non-woven fabric and a high water-absorbing material can be further compounded, which can expand rapidly to form a large volume of gel after encountering water, and the water absorption can reach several hundred times of itself. This expansion effect can effectively fill the gap inside the cable and prevent water molecules from passing through, thereby achieving the effects of sealing, waterproofing and moisture-proofing. At the same time, it can absorb and disperse external impact and vibration to a certain extent, and protect the inside of the cable from damage.

[0051] In a specific implementation, the filling assembly at the center is made of high-strength Kevlar fiber material, which has good flexibility and can easily adapt to such changes, reduce stress concentration phenomenon caused by bending, improve the durability of the cable, and can withstand a large tensile force. This feature ensures that the cable can maintain the stability and integrity of the structure during frequent drag chain bending, and reduces the risk of fracture caused by stretching.

[0052] Some modifications and changes of the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model. As described in the above embodiments of the utility model, other structures of the electric wire and cable obtained by using the same or similar structures are all within the protection scope of the utility model.

Claims

1. A flat floating cable for environmental monitoring platform, characterized in that: the cable is mainly composed of a plurality of assembly units and an outer sheath (9), the outer sheath (9) is internally provided with four parallel assembly units, and the outer periphery of each assembly unit is wrapped by the outer sheath (9); each assembly unit is mainly composed of a cable core, a filling component and a cladding layer, the outer periphery of the cable core and the filling component is wrapped by the cladding layer, and the space surrounded by the outer periphery of the cable core and the cladding layer and the internal space of each cable core are filled with the filling component; the four assembly units are respectively a power transmission assembly unit I, a power transmission assembly unit II, a differential signal transmission assembly unit and a signal control transmission assembly unit. The power transmission assembly unit I and the power transmission assembly unit II are arranged on both sides, and the differential signal transmission assembly unit and the signal control transmission assembly unit are arranged in the middle. The cable core of the power transmission assembly unit I is mainly composed of three power transmission insulated core wires I (1), and the space between the three power transmission insulated core wires I (1) is the internal space of the cable core of the power transmission assembly unit I; the cable core of the power transmission assembly unit II is mainly composed of three power transmission insulated core wires II (4), and the space between the three power transmission insulated core wires II (4) is the internal space of the cable core of the power transmission assembly unit II. The cable core of the differential signal transmission assembly unit is mainly composed of four differential signal transmission insulated core wires (2), and the space between the four differential signal transmission insulated core wires (2) is the internal space of the cable core of the differential signal transmission assembly unit.

2. A flat floating cable for an environmental monitoring platform according to claim 1, characterized in that: The cable core of the signal control transmission assembly unit is mainly composed of five signal control transmission insulated core wires (3), and the space between the four differential signal transmission insulated core wires (2) is the internal space of the cable core of the signal control transmission assembly unit.

3. A flat floating cable for an environmental monitoring platform according to claim 1, characterized in that: The filling component is mainly composed of Kevlar fiber (5) and water-blocking yarn (6), the water-blocking yarn (6) is arranged in the space surrounded by the outer periphery of the cable core and the cladding layer, the Kevlar fiber (5) is filled in the space except the water-blocking yarn (6), the internal space of each cable core is filled with the Kevlar fiber (5), and the internal space of each cable core can be selectively provided with the water-blocking yarn (6). The internal space of the cable core of the power transmission assembly unit I and the power transmission assembly unit II is only filled with the Kevlar fiber (5); The internal space of the cable core of the differential signal transmission assembly unit and the signal control transmission assembly unit is provided with the water-blocking yarn (6), and the Kevlar fiber (5) is filled in the space except the water-blocking yarn (6).

4. The flat floating cable for environmental monitoring platform of claim 1, wherein: The core wires of the power transmission assembly unit I, the power transmission assembly unit II, the differential signal transmission assembly unit and the signal control transmission assembly unit are mainly composed of metal wires and insulating materials wrapped outside.

5. A flat floating cable for an environmental monitoring platform according to claim 4, characterized in that: The cladding layer is mainly composed of water-blocking tape (7) and braided mesh (8) arranged from inside to outside, and the cladding layer is in contact with the outer periphery of the cable core and the filling component. The braided mesh (8) is made of anti-bending copper wire.

6. A flat floating cable for an environmental monitoring platform according to claim 1, characterized in that: ​ 7. The flat floating cable for an environmental monitoring platform of claim 1, wherein: ​ 8. A flat floating cable for an environmental monitoring platform according to claim 7, characterized in that: ​ 9. The flat floating cable for an environmental monitoring platform of claim 1, wherein: The outer sheath (9) is made of foamed polyurethane TPU. The outer sheath (9) is made of foamed polyurethane TPU.

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