CN212181999U - Acid-alkali-salt-resistant and weather-resistant wind energy cable - Google Patents

Abstract

The utility model relates to a cable field especially relates to an acid and alkali-resistant salt resistant sea climate wind energy cable. It includes: the conducting wire bundle and the outer sheath are coaxially arranged from inside to outside in sequence; the outer sheath is tightly sleeved outside the conductive wire bundle to protect the conductive wire bundle; the outer sheath is chlorosulfonated polyethylene rubber outer sheath. The utility model can improve the acid-base salt resistance and the weather resistance of the cable, and prolong the service life of the cable; reduce the inside frictional force of cable, improve the problem of cable frequent distortion.

Description

Acid-alkali-salt-resistant and weather-resistant wind energy cable

Technical Field

The utility model relates to a cable field especially relates to an acid and alkali-resistant salt resistant sea climate wind energy cable.

Background

With the rapid transformation development of domestic economy, the urbanization construction and environmental pollution abatement progress is synchronously accelerated, the energy demand pattern is rapidly transformed, and the contradiction between supply and demand is increasingly prominent. Increasing diversified supply of environment-friendly energy and ensuring safety of new energy become important tasks for economic and social development, and developing and utilizing renewable energy becomes an important part of the national energy development strategy. Wind power generation, one of renewable energy sources, has huge resource potential and low environmental pollution, can be continuously utilized, has basically mature power generation technology and economic efficiency close to that of conventional energy sources, and is highly valued at home. Due to the increasing preference for renewable energy and the demand for reduced carbon emissions, the wind power industry is expected to grow substantially and the increase in investment for offshore wind power generation is expected to drive the demand for wind energy cables. On the other hand, the cost of wind power technology is continuously reduced, so that the wind power technology becomes a more cost-effective power generation mode and is more competitive in the renewable energy market. The energy costs of wind farms are constantly dropping even without national energy subsidies, making wind power projects one of the more economical options in renewable energy technology.

However, the current domestic cables specially used for offshore wind power mainly depend on import, and due to improper material selection and unreasonable structural design, the cable core of the offshore wind power cable frequently has the phenomena of conductor fracture or sheath fracture after corrosion when the cable is twisted, so that an offshore wind power generator set can not normally run to generate electricity; because the service life cycle of the common wind energy cable used in the current market is very short, the replacement frequency is high; the offshore wind power and the normal operation of China are seriously influenced.

The utility model discloses a marine high strength is soft resistant to ageing instrument cable of painting's utility model patent of 29 days of 5 months in 2018 authorizes, and the publication of authorizing is CN207425402U, and it improves the weatherability of cable and acid and alkali salt resistance ability only through simple cladding, promotes lessly, and the performance is limited.

Disclosure of Invention

Because select for use the improper and structural design unreasonable of material for solving current offshore wind energy cable, lead to the cable core often to take place conductor fracture or the sheath when the cable twists reverse phenomenons such as fracture after corroding, cause offshore wind power generation unit can not normal operation electricity generation, and then produce ordinary wind energy cable life cycle very short, change the higher scheduling problem of frequency, the utility model provides a resistant sea waiting wind energy cable of acid and alkali-resistant salt. The utility model aims to provide a: firstly, the acid, alkali and weather resistance of the cable is improved, and the service life of the cable is prolonged; and secondly, the internal friction of the cable is reduced, and the problem of frequent twisting of the cable is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

An acid and alkali salt resistant and weather resistant wind energy cable, comprising:

the conducting wire bundle and the outer sheath are coaxially arranged from inside to outside in sequence;

the outer sheath is tightly sleeved outside the conductive wire bundle to protect the conductive wire bundle;

the outer sheath is chlorosulfonated polyethylene rubber outer sheath.

The conductive wire harness mainly has the main conductive function of the cable, and the outer sheath protects the conductive wire harness. The chlorosulfonated polyethylene rubber has good corrosion resistance and weather resistance, is easy to form compact coating on the conductive wire harness, and improves the acid-base salt resistance and the weather resistance of the whole cable.

As a preference, the first and second liquid crystal compositions are,

the conducting wire bundle is formed by coating a plurality of core wires which are arranged in parallel on a non-woven fabric isolation belt.

The non-woven fabrics median can carry out cladding and protection to the heart yearn, avoids the rotatory distortion of outer sheath to produce great friction to the heart yearn in the use, leads to the impaired problem of heart yearn to take place.

As a preference, the first and second liquid crystal compositions are,

the core wire comprises a conductor wire, and a conductor wrapping tape is wrapped outside the conductor wire;

the conductor wrapping band is also wrapped with an insulating layer.

The insulating layer can effectively prevent the internal friction of the conductor wire in the cable, and the non-woven fabric isolation belt matched outside the stranded conductor wire effectively improves the frequent twisting characteristic of the cable, so that the performance is more excellent.

As a preference, the first and second liquid crystal compositions are,

and the outer surface of the insulating layer is coated with an insulating isolating agent to form an isolating layer.

The isolation layer can further produce the cooperation with the insulating layer, avoids the conductor line impaired, improves the protective effect to the conductor line.

As a preference, the first and second liquid crystal compositions are,

an aramid core wire is arranged at the center of the conductive wire bundle;

the core wire is circumferentially and uniformly arranged on the outer side of the aramid fiber core wire.

The aramid core wire can avoid separating the core wire, avoids the problem of mutual winding of the core wire, and has the capability of preventing the conductive wire harness from being twisted as the center of the conductive wire harness.

As a preference, the first and second liquid crystal compositions are,

and fillers are filled in gaps in the non-woven fabric isolation belts of the conductive wire bundles.

The filler is added, so that the twisting phenomenon generated by the conductive wire harness can be further reduced, the internal friction force is reduced, and the core conductor wire is well protected.

As a preference, the first and second liquid crystal compositions are,

the filler is filling paste or filling ropes.

The fillers are common and easy to obtain, and can achieve a good filling effect.

The utility model has the advantages that:

1) the acid, alkali and marine weather resistance of the cable can be improved, and the service life of the cable is prolonged;

2) reduce the inside frictional force of cable, improve the problem of cable frequent distortion.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 11 conductor lines, 12 insulating layers, 13 isolating layers, 14 conductor wrapping belts, 15 non-woven fabric isolating belts, 2 outer sheaths, 3 aramid core wires and 4 fillers.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, the acid and alkali salt resistant and weather resistant wind energy cable comprises:

the conducting wire bundle and the outer sheath 2 are coaxially arranged from inside to outside in sequence;

the outer sheath 2 is a chlorosulfonated polyethylene rubber outer sheath 2, chlorosulfonated polyethylene rubber has good acid, alkali and salt resistance and weather resistance, and the chlorosulfonated polyethylene rubber is coated outside the conductive wire harness, so that the acid, alkali and salt resistance and weather resistance of the whole cable can be remarkably improved, and the chlorosulfonated polyethylene rubber can be directly formed in an extrusion curing mode, and is simple and efficient to prepare;

the conducting wire bundle is formed by coating a plurality of core wires arranged in parallel by a non-woven fabric isolation belt 15;

the non-woven fabric isolation belt 15 has good bundling and water-proof and moisture-proof effects;

the core wire comprises a conductor wire 11, the conductor wire 11 is a 5-class soft copper conductor, a conductor wrapping tape 14 is wrapped outside the conductor wire 11, an insulating layer 12 is further wrapped outside the conductor wrapping tape 14, and the insulating layer 12 is an ethylene propylene rubber insulating layer 12;

the non-woven fabric isolation belt 15 can coat and protect the core wire, so that the problem that the core wire is damaged due to the fact that the core wire is greatly rubbed by the rotation and distortion of the outer sheath 2 in the using process is avoided;

the insulating layer 12 can effectively prevent the internal friction of the conductor wire 11 in the cable, and the non-woven fabric isolation belt 15 matched outside the stranded conductor wire 11 effectively improves the frequent twisting characteristic of the cable, so that the performance is more excellent;

the outer surface of the insulating layer 12 is coated with an insulating release agent to form an insulating layer 13, and the insulating release agent is a commercially available insulating rubber release agent;

the central part of the conductive wire bundle is provided with the aramid core wire 3, the core wires are uniformly arranged on the outer side of the aramid core wire 3 in the circumferential direction, the aramid core wire 3 is used as a central shaft body of the core wires, the aramid core wire 3 can avoid the core wires from being separated, the problem that the core wires are mutually wound is avoided, and the aramid core wire 3 also has the capability of preventing the conductive wire bundle from being twisted as the center of the conductive wire bundle;

furthermore, the gap in the non-woven fabric isolation belt 15 of the conductive wire bundle is filled with the filler 4, the filler 4 used in the embodiment is a filler strip made of the same material as the sheath, and after the filler strip is filled, the friction between the core wires can be further reduced, so that the core wires are further protected.

The utility model discloses a direction of twist of (left/left), promptly: the cable cores of the inner layer, the middle layer, the outer layer and the secondary outer layer are all in the same direction, and the combination mode of the structure can keep the attractive force of the cable cores of different layers in the cable to be synchronous and balanced with the external stress in the twisted state of the cable, so that the cable cores are ensured not to break and the power transmission can be continuously and durably carried out in the running state of a fan.

Claims (5)

1. The utility model provides an acid and alkali-resistant salt resistant sea climate wind energy cable which characterized in that includes:

the conducting wire bundle and the outer sheath are coaxially arranged from inside to outside in sequence;

the outer sheath is tightly sleeved outside the conductive wire bundle to protect the conductive wire bundle;

the outer sheath is a chlorosulfonated polyethylene rubber outer sheath;

the conductive wire bundle is formed by coating a plurality of core wires arranged in parallel by a non-woven fabric isolation belt;

an aramid core wire is arranged at the center of the conductive wire bundle;

the core wire is circumferentially and uniformly arranged on the outer side of the aramid fiber core wire.

2. The acid and alkali-resistant and sea-weather-resistant wind energy cable according to claim 1,

the core wire comprises a conductor wire, and a conductor wrapping tape is wrapped outside the conductor wire;

the conductor wrapping band is also wrapped with an insulating layer.

3. The acid and alkali-resistant and sea-weather-resistant wind energy cable of claim 2,

and the outer surface of the insulating layer is coated with an insulating isolating agent to form an isolating layer.

4. The acid and alkali-resistant and sea-weather-resistant wind energy cable according to claim 1,

and fillers are filled in gaps in the non-woven fabric isolation belts of the conductive wire bundles.

5. The acid and alkali-resistant and sea-weather-resistant wind energy cable according to claim 4,

the filler is filling paste or filling ropes.

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