CN217933254U - Light environment-friendly submarine cable - Google Patents

Abstract

The utility model belongs to the technical field of electric cables, and discloses a light environment-friendly submarine cable, which comprises an inner anti-corrosion layer, and three evenly distributed conductors are interspersed on the inner anti-corrosion layer, and an insulating layer is arranged on the outer side of each of the conductors , the outer side of the inner anti-corrosion layer is fixedly connected with an inner sheath. The cables of this solution work together through multi-layer anti-corrosion structures, which can have an excellent anti-corrosion effect, effectively protect the cables, and prolong the service life of the cables when working on the seabed. The inner anti-corrosion layer is made of carbon fiber, which is stable in nature and It is not easy to be corroded, and also has a certain moisture-proof ability, which strengthens the moisture-proof and anti-corrosion ability of the cable, and further ensures the service life of the cable. The middle anti-corrosion layer is a polyester film layer, and the polyester film has good chemical resistance and oil resistance. Non-toxic, puncture-resistant, friction-resistant, high-temperature and low-temperature resistant, it is an ideal anti-corrosion material.

Description

A light and environmentally friendly submarine cable

technical field

The utility model relates to the technical field of cables, in particular to a light environmental protection submarine cable.

Background technique

Submarine cables are mainly used in long-distance island-to-island, continent-to-island, cross-sea military facilities, offshore wind power generation and transmission, offshore oil platforms and other fields. At present, the domestic and international submarine cable market has broad market and development prospects.

Since the submarine cable is used in a special environment, and the existing submarine cable has poor corrosion resistance, the service life of the cable is relatively short.

Utility model content

1. Technical problems to be solved

Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a light-weight environment-friendly submarine cable, which solves the problem that the existing submarine cable has poor corrosion resistance and makes the service life of the cable short.

2. Technical solution

In order to solve the above problems, the utility model adopts the following technical solutions.

A light environment-friendly submarine cable, comprising an inner anti-corrosion layer, three uniformly distributed conductors are interspersed on the inner anti-corrosion layer, an insulating layer is arranged on the outer side of each of the conductors, and the outer side of the inner anti-corrosion layer is fixed An inner sheath is connected, an intermediate anti-corrosion layer is arranged on the outer side of the inner sheath, a buffer layer is arranged on the outer side of the intermediate anti-corrosion layer, an outer sheath is arranged on the outer side of the buffer layer, and an outer sheath is arranged on the outer side of the outer sheath The outside is coated with a corrosion-resistant coating.

Preferably, the inner anti-corrosion layer is made of carbon fiber, and the middle anti-corrosion layer is a polyester film layer.

Preferably, the inner anti-corrosion layer includes three sleeves and connecting plates, two of the sleeves are respectively connected through three connecting plates, the sleeves and the connecting plates are integrally formed, and the outer surfaces of the three sleeves The side surfaces are respectively fixedly connected with the inner sheath, and the three conductors are respectively located in the three sleeves and adapted thereto.

Preferably, the inner space formed by the sleeve and the connecting plate, and the gap between the inner anti-corrosion layer and the inner sheath are all filled with an insulating filler layer.

Preferably, the buffer layer includes a buffer sleeve, the inner side of the buffer sleeve is fixedly connected to the middle anti-corrosion layer, and the outer side of the buffer sleeve is provided with evenly distributed buffer grooves, each of which is provided with a buffer A column, the side of the buffer column away from the buffer tank is fixedly connected with the outer sheath.

Preferably, several reinforcing ribs are interspersed in the insulating filler layer.

3. Beneficial effect

Compared with the prior art, the utility model has the advantages of:

(1) The cables of this solution work together through a multi-layer anti-corrosion structure, which can have an excellent anti-corrosion effect, effectively protect the cables, and prolong the service life of the cables when they work on the seabed.

(2) The inner anti-corrosion layer is made of carbon fiber, which is stable in nature, not easy to be corroded, and has certain moisture-proof ability, which strengthens the moisture-proof and anti-corrosion ability of the cable, and further ensures the service life of the cable. Ester film layer, polyester film has good chemical resistance and oil resistance, and is resistant to puncture, friction, high temperature and low temperature, and is an ideal anti-corrosion material.

(3) The three wires are separated from each other through the sleeve and the connecting plate, so as to effectively prevent mutual interference. Through the mutual cooperation of the buffer sleeve, buffer sleeve and buffer column, when the cable is squeezed, it can play a role. The effect of cushioning prevents damage to the internal conductor and prolongs the service life.

(4) On the one hand, the insulating filler layer can strengthen the insulation of the cable, and on the other hand, it can also strengthen the strength of the cable and prolong the service life. Several reinforcing ribs 10 are interspersed in the insulating filler layer 9, which can further improve the strength of the cable. tensile strength.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a perspective view of the inner anti-corrosion layer in the utility model.

Explanation of symbols in the figure:

1. Inner anti-corrosion layer; 11. Sleeve; 12. Connection plate; 2. Conductor; 3. Insulation layer; 4. Inner sheath; 5. Intermediate anti-corrosion layer; 6. Buffer layer; 61. Buffer sleeve; 62 , buffer tank; 63, buffer column; 7, outer sheath; 8, corrosion-resistant coating; 9, insulating packing layer; 10, reinforcing rib.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

In the description of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer" and "top/bottom" are based on the orientations shown in the drawings or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the utility model . In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "set with", "sleeve/connection", "connection", etc. should be understood in a broad sense, for example "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be two components Internal connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Please refer to Figure 1-2, a light-duty environment-friendly submarine cable, including an inner anti-corrosion layer 1, three uniformly distributed conductors 2 are interspersed on the inner anti-corrosion layer 1, and an insulating layer 3 is arranged on the outside of each conductor 2, and the inner anti-corrosion layer 1 The outer side of the anti-corrosion layer 1 is fixedly connected with the inner sheath 4, the outer side of the inner sheath 4 is provided with an intermediate anti-corrosion layer 5, the outer side of the intermediate anti-corrosion layer 5 is provided with a buffer layer 6, and the outer side of the buffer layer 6 is provided with an outer sheath Cover 7, the outside of the outer sheath 7 is coated with a corrosion-resistant coating 8.

Furthermore, the inner anti-corrosion layer 1 is made of carbon fiber, which is stable in nature, not easy to be corroded, and has a certain moisture-proof ability, which strengthens the moisture-proof and anti-corrosion ability of the cable, and further ensures the service life of the cable. The middle anti-corrosion layer 5 It is a polyester film layer. Polyester film has good chemical resistance and oil resistance, and is puncture-resistant, friction-resistant, high-temperature and low-temperature resistant, and is an ideal anti-corrosion material.

Further, the inner anti-corrosion layer 1 includes three sleeves 11 and connecting plates 12, the two sleeves 11 are respectively connected by three connecting plates 12, the sleeves 11 and the connecting plates 12 are integrally formed, and the outer surfaces of the three sleeves 11 The sides are respectively fixedly connected with the inner sheath 4, and the three conductors 2 are respectively located in the three sleeves 11 and adapted to them, and the three wires are separated from each other by the sleeves 11 and the connecting plate 12, so as to effectively prevent mutual interference.

Further, the inner space formed by the bushing 11 and the connection plate 12, and the gap between the inner anti-corrosion layer 1 and the inner sheath 4 are all filled with an insulating filler layer 9, and the insulating filler layer 9 can strengthen the insulation of the cable on the one hand. On the other hand, it can also strengthen the strength of the cable and prolong its service life.

Further, the buffer layer 6 includes a buffer sleeve 61, the inner side of the buffer sleeve 61 is fixedly connected with the intermediate anti-corrosion layer 5, and the outer side of the buffer sleeve 61 is provided with evenly distributed buffer grooves 62, and each buffer groove 62 is provided with a buffer column 63, the side of the buffer column 63 away from the buffer sleeve 61 is fixedly connected to the outer sheath 7, through the mutual cooperation of the buffer sleeve 61, the buffer sleeve 61 and the buffer column 63, the effect of buffering can be achieved when the cable is squeezed, Prevent damage to the inner conductor 2 and prolong the service life.

Further, several reinforcing ribs 10 are interspersed in the insulating filler layer 9, which can further increase the tensile strength of the cable.

Working principle: After the cable is put into use, the inner conductor 2 of the cable is protected against corrosion by multiple layers through the corrosion-resistant coating 8, the middle anti-corrosion layer 5 and the inner anti-corrosion layer 1, so as to effectively extend the service life of the cable when working on the seabed. life, and the inner anti-corrosion layer 1 formed by the sleeve 11 and the connecting plate 12 can also separate the three wires from each other, thereby effectively preventing mutual interference, through the buffer sleeve 61, the buffer sleeve 61 and the buffer column 63 The mutual cooperation can play a buffering effect when the cable is squeezed, prevent the damage of the inner conductor 2, and prolong the service life. The insulating filler layer 9 cooperates with the reinforcing rib 10, on the one hand, it can strengthen the insulation of the cable, and on the other hand On the one hand, it can also strengthen the strength of the cable and prolong its service life.

The above description is only a preferred embodiment of the present utility model; however, the protection scope of the present utility model is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the utility model, according to the technical solution of the utility model and its improvement concept to make an equivalent replacement or change, shall be covered in the protection scope of the utility model.

Claims (6)

1. A light environment-friendly submarine cable comprises an inner anti-corrosion layer (1), and is characterized in that: the anti-corrosion cable is characterized in that three evenly-distributed conductors (2) are arranged on the inner anti-corrosion layer (1) in an alternating mode, each conductor is arranged on the outer side of each conductor (2) in a corresponding mode, the outer side of the inner anti-corrosion layer (1) is fixedly connected with the inner sheath (4), the outer side of the inner sheath (4) is provided with the middle anti-corrosion layer (5), the outer side of the middle anti-corrosion layer (5) is provided with the buffer layer (6), the outer side of the buffer layer (6) is provided with the outer sheath (7), and the outer side of the outer sheath (7) is coated with the anti-corrosion coating (8).

2. A lightweight environmentally friendly submarine cable according to claim 1, wherein: the inner anti-corrosion layer (1) is made of carbon fibers, and the middle anti-corrosion layer (5) is a polyester film layer.

3. A lightweight environmentally friendly submarine cable according to claim 1, wherein: the inner anti-corrosion layer (1) comprises three sleeves (11) and connecting plates (12), the two sleeves (11) are connected through the three connecting plates (12) respectively, the sleeves (11) and the connecting plates (12) are integrally formed, the outer side faces of the three sleeves (11) are fixedly connected with the inner sheath (4) respectively, and the three conductors (2) are located in the three sleeves (11) respectively and are matched with the three sleeves (11).

4. A lightweight environmentally friendly submarine cable according to claim 3, wherein: and an insulating filler layer (9) is filled in an inner space formed by the sleeve (11) and the connecting plate (12) and a gap between the inner anti-corrosion layer (1) and the inner sheath (4).

5. A lightweight environmentally friendly submarine cable according to claim 1, wherein: buffer layer (6) are including buffer sleeve (61), the inboard and middle anti-corrosion coating (5) fixed connection of buffer sleeve (61), evenly distributed's dashpot (62) are seted up in the outside of buffer sleeve (61), every all be provided with buffering post (63) in dashpot (62), one side and oversheath (7) fixed connection of dashpot (62) are kept away from to buffering post (63).

6. A lightweight environmentally friendly submarine cable according to claim 4, wherein: a plurality of reinforcing ribs (10) are inserted in the insulating filler layer (9).

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