CN220367767U

CN220367767U - Marine cable

Info

Publication number: CN220367767U
Application number: CN202321053468.8U
Authority: CN
Inventors: 王祖旭; 张鑫; 孟益标; 梁增显
Original assignee: Zhejiang Wanma Co Ltd
Current assignee: Zhejiang Wanma Co Ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2024-01-19
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to the technical field of power cables, in particular to a marine cable. The cable comprises a plurality of strand cores arranged in a surrounding array, wherein each strand core comprises a tin-plated copper conductor, the plurality of strand cores are enveloped into a cable through a ceramic fireproof composite belt, an aluminum-plastic composite belt is enveloped outside the ceramic fireproof composite belt, and an outer sheath is enveloped outside the aluminum-plastic composite belt. Aiming at the technical problems of water resistance, salt spray corrosion resistance and insufficient fire resistance of the traditional cable structure, the utility model has reasonable structural arrangement, excellent water resistance, salt spray corrosion resistance and fire resistance, and can be widely applied to ships, in particular to ocean passenger and cargo ships.

Description

Marine cable

Technical Field

The utility model relates to the technical field of power cables, in particular to a marine cable.

Background

In the field of waterway transportation, for example, for cargo ships which are often sailed in the ocean, the adopted cables face higher requirements of waterproofing and salt mist corrosion prevention. Moreover, the available space of the cargo ship is insufficient, and if a fire disaster occurs, the fire disaster can cause serious threat to personal safety, so that the marine cable not only meets the performance requirements of water resistance, salt mist resistance and the like, but also has better fireproof performance.

The traditional marine cable is generally formed by extruding an insulating layer outside a conductor, then cabling and wrapping a halogen-free belt, and finally extruding a layer of jacket. Traditional cable structure, waterproof, prevent salt fog corruption, fire resistance are not excellent enough to this kind of cable life-span is short, needs frequent renew, greatly increased transportation cost, compressed profit space.

Disclosure of Invention

Technical problem to be solved by the utility model

Aiming at the technical problems of water resistance, salt spray corrosion resistance and insufficient fire resistance of the traditional cable structure, the utility model provides a marine cable which has reasonable structural arrangement, excellent water resistance, salt spray corrosion resistance and fire resistance, and can be widely applied to ships, in particular ocean going vessels.

Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a marine cable, includes a plurality of strand cores that encircle the array setting, sinle silk portion includes tin-plated copper conductor, a plurality of sinle silk portion is through ceramic fire prevention fire-resistant composite tape envelope cabling, ceramic fire prevention fire-resistant composite tape outside envelope has the plastic-aluminum composite tape, the plastic-aluminum composite tape out-of-band envelope has the oversheath.

Optionally, fillers are arranged between the wire core parts of the strands and between the wire core part and the ceramic fireproof composite belt.

Optionally, the filler is water-blocking paste.

Optionally, the wire core part has at least three strands.

Optionally, the wire core part comprises an insulating layer enveloped on the outer side of the tin-plated copper conductor, and a semiconductive buffer water blocking tape is wrapped on the outer side of the insulating layer.

Optionally, the insulating layer is made of ethylene propylene rubber.

Optionally, the aluminum-plastic composite belt is tightly wrapped on the outer side of the ceramic fireproof composite belt in a longitudinal wrapping mode.

Optionally, the tin-plated copper conductor is formed by twisting a plurality of tin-plated soft copper wires.

Optionally, the outer sheath is made of halogen-free low-smoke flame-retardant polyolefin material.

Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

aiming at the technical problems of water resistance, salt spray corrosion resistance and insufficient fire resistance of the traditional cable structure, the utility model has reasonable structural arrangement, excellent water resistance, salt spray corrosion resistance and fire resistance, and can be widely applied to ships, in particular to ocean passenger and cargo ships.

Drawings

Fig. 1 is a schematic structural diagram of a marine cable according to an embodiment of the present utility model.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Example 1

Referring to fig. 1, this embodiment proposes a marine cable, including a plurality of strand cores 10 that encircle the array and set up, the sinle silk portion 10 includes tinned copper conductor 1, a plurality of the strand cores 10 envelope the cable through ceramic fire prevention fire-resistant composite tape 5, ceramic fire prevention fire-resistant composite tape 5 outside envelope has plastic-aluminum composite tape 6, plastic-aluminum composite tape 6 outside envelope has oversheath 7.

The marine cable provided by the embodiment has reasonable structural arrangement, excellent waterproof performance, salt fog corrosion resistance and fire resistance, and can be widely applied to ships, in particular ocean going vessels.

In the marine cable of the present embodiment, the core portion 10 made of the tin-plated copper conductor 1 is used, and thus, the core portion 10 has the property of preventing oxidation and corrosion of salt mist and other harmful substances. The plurality of strand cores 10 are combined into one strand cable, the ceramic fireproof composite belt 5 is wrapped outside the strand cable, and the ceramic fireproof composite belt 5 can be rapidly crusted when encountering fire, so that the fire-blocking effect is achieved, and meanwhile, the water-blocking characteristic is also achieved. The outer side of the ceramic fireproof composite belt 5 is enveloped with an aluminum-plastic composite belt 6, which can play a role in radial water blocking and moisture prevention and can also prevent the interference of an electric field generated by the cable body on external electromagnetic signals. The outer side of the aluminum-plastic composite belt 6 is enveloped with an outer sheath 7, so that the protection effect of the surface of the marine cable is achieved.

The marine cable provided by the embodiment has the flame retardant property which can meet the bundled combustion test in the IEC60332-3 standard, and has good fire resistance when a fire disaster occurs. The cable integrates the waterproof, dampproof, corrosion-proof, anti-interference and fire-resistant performances, and can be widely applied to ships.

As an alternative to this embodiment, a filler 4 is provided between the strands of the core 10 and between the core 10 and the ceramic fire-resistant composite tape 5. In this embodiment, the filler 4 is used to fill gaps between the plurality of strand cores 10 and gaps between the core 10 and the ceramic fireproof composite tape 5, so that the overall structure of the marine cable is more stable due to the filler 4.

As an alternative implementation of this embodiment, the filler 4 is a water-blocking paste. In this embodiment, the water-blocking paste is used as the filler 4, and after the water-blocking paste is cured at normal temperature, the wire core 10 and the ceramic fireproof composite tape 5 outside the wire core 10 can be tightly combined together to form a solid whole, so as to realize the water-blocking effect and play roles of filling and water prevention.

As an alternative implementation of this embodiment, the wire core portion 10 has at least three strands. The present embodiment is an arrangement mode of the wire core 10, and in the present embodiment, the wire core 10 is provided with at least three strands to have a larger current-carrying performance as much as possible.

Example 2

Referring to fig. 1, this embodiment provides a marine cable, which can be modified on the basis of embodiment 1 as follows: the wire core part 10 comprises an insulating layer 2 enveloped on the outer side of a tinned copper conductor 1, and a semiconductive buffer water blocking tape 3 is wrapped on the outer side of the insulating layer 2. The embodiment is a setting mode of the wire core 10, the insulating layer 2 is extruded on the surface of the tin-plated copper conductor 1, the semiconductive buffer water-blocking tape 3 can play a role in preventing water and moisture, and meanwhile, if a fire occurs, the insulating layer can also play a role in protecting insulation expansion.

As an alternative implementation of this embodiment, the insulating layer 2 is made of ethylene propylene rubber. In the embodiment, ethylene propylene rubber material is adopted as the insulating layer 2 to be extruded on the surface of the conductor, and the material has good water resistance.

As an alternative implementation manner of this embodiment, the aluminum-plastic composite belt 6 is tightly wrapped on the outer side of the ceramic fireproof composite belt 5 in a longitudinal wrapping manner.

As an alternative implementation manner of this embodiment, the tinned copper conductor 1 is formed by twisting a plurality of tinned soft copper wires.

As an alternative implementation of this example, the outer sheath 7 is made of a halogen-free low-smoke flame-retardant polyolefin material. In the embodiment, the halogen-free low-smoke flame-retardant polyolefin sheath material is adopted as the outer sheath 7, so that the material has a fireproof effect, no chlorine element exists at all, the smoke emission during combustion is small, the light transmittance can reach more than 60%, the harm to human safety can be furthest reduced during fire, and meanwhile, the waterproof effect can be achieved due to high density.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. The marine cable is characterized by comprising a plurality of strand wire core parts which are arranged in a surrounding array, wherein each strand wire core part comprises a tin-plated copper conductor, the plurality of strand wire core parts are enveloped into a cable through a ceramic fireproof and fire-resistant composite belt, the outer side of the ceramic fireproof and fire-resistant composite belt is enveloped with an aluminum-plastic composite belt, and the outer side of the aluminum-plastic composite belt is enveloped with an outer sheath;

fillers are arranged between the wire core parts of the strands and between the wire core part and the ceramic fireproof composite belt; the filler is water-blocking paste;

the wire core part comprises an insulating layer enveloped on the outer side of the tinned copper conductor, and a semiconductive buffer water blocking tape is wrapped on the outer side of the insulating layer.

2. A marine cable according to claim 1 wherein the core portion has at least three strands.

3. A marine cable according to claim 1 wherein the insulating layer is made of ethylene propylene rubber.

4. The marine cable of claim 1 wherein the aluminum-plastic composite tape is wrapped tightly on the outside of the ceramic fireproof composite tape by longitudinal wrapping.

5. A marine cable according to any one of claims 1 to 4 wherein the tin-plated copper conductor is stranded from a plurality of tin-plated soft copper wires.

6. A marine cable according to any one of claims 1 to 4 wherein the outer jacket is of a halogen-free, low smoke flame retardant polyolefin material.