CN219202819U

CN219202819U - Corrosion-resistant and extremely-cold-resistant special cable for photovoltaic

Info

Publication number: CN219202819U
Application number: CN202223337747.5U
Authority: CN
Inventors: 赵云达
Original assignee: Jiangyin Yuanda Electrical Material Co ltd
Current assignee: Jiangyin Yuanda Electrical Material Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-16
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the technical field of special cables for photovoltaics, and particularly discloses an anti-corrosion and extremely-cold-resistant special cable for photovoltaics, which comprises a wire core and an insulating sleeve wrapped outside the wire core, wherein a spacer sleeve is sleeved outside the insulating sleeve, a reinforcing support sleeve is sleeved outside the spacer sleeve, middle support ribs are uniformly distributed and arranged in sections along the axial direction of an inner support layer, the middle support ribs are uniformly distributed and arranged in the circumferential direction along the outer side of the inner support layer, an outer support layer and the middle support ribs are of an integrated structure, and the reinforcing support sleeve is integrally made of carbon fiber; according to the utility model, the cold resistance of the cable surface is increased through the wear-resistant sleeve, the overall strength of the cable is improved through the reinforced support sleeve, and the corrosion resistance and the extreme cold resistance of the cable are improved, so that the cable is suitable for extremely cold climates with larger salt alkalinity; the utility model simplifies the additional structure while ensuring the integral performance, reduces the production difficulty and facilitates the transportation and the laying of the utility model.

Description

Corrosion-resistant and extremely-cold-resistant special cable for photovoltaic

Technical Field

The utility model relates to the technical field of special cables for photovoltaics, in particular to an anti-corrosion and extremely-cold-resistant special cable for photovoltaics.

Background

The cable used by the photovoltaic equipment is large in consumption and needs to have good cold resistance, heat resistance and corrosion resistance, because the areas erected by a plurality of photovoltaic equipment are extreme climate areas, the cable used by the photovoltaic equipment in the prior art has good heat resistance and wear resistance, and as disclosed in patent number CN215643763U, the cable comprises a cable core composed of at least one wire core, the wire core is a special-shaped conductor formed by twisting rare earth aluminum alloy special-shaped monomers, and the outer side of the wire core is wrapped with an insulating layer; the outer side of the cable core is sequentially provided with a flame retardant layer, a sheath layer, a heat insulation layer and an ventilation layer; and filler is filled between the wire cores on the inner side of the flame-retardant layer. The heat-insulating type photovoltaic cable adopting the structure has the advantages of low cost, light weight, corrosion resistance, flexibility, convenience in installation, long service life and the like by adopting the rare earth aluminum alloy to replace the traditional copper core cable, and the heat-insulating layer and the ventilation layer are arranged as the outermost layer of the cable, so that the ageing of the cable core caused by direct sunlight is avoided, the service life is further prolonged, the general use requirement can be met, and the following defects exist in the actual use process:

1. when the cable is deeply buried under extremely cold lands, for example, when the cable is used in extremely cold climatic lands with high salt and alkali degree, the brittleness and the hardness of the cable are increased, and the cable compression core body is easy to break, so that the cold resistance of the cable needs to be further improved;

2. the cable for the photovoltaic equipment in the prior art has a complex structure, and the production difficulty of the cable is increased.

Disclosure of Invention

The utility model aims to provide a special cable with corrosion resistance and extremely cold resistance for photovoltaic use, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a photovoltaic is with corrosion-resistant extremely cold resistant special cable, includes the insulating cover of sinle silk and sinle silk outside parcel, the outside cover of insulating cover is equipped with the spacer sleeve, and is equipped with the reinforcing support cover at the outside cover of spacer sleeve.

Preferably, the reinforcing support sleeve comprises an inner support layer and an outer support layer, an intermediate support rib is fixedly connected between the inner support layer and the outer support layer in a circumferential direction, and the inner support layer is fixedly sleeved on the outer side of the spacer sleeve.

Preferably, the middle supporting ribs are uniformly distributed and arranged in sections along the axial direction of the inner supporting layer, and the middle supporting ribs are uniformly distributed and arranged in the circumferential direction along the outer side of the inner supporting layer.

Preferably, the inner supporting layer, the outer supporting layer and the middle supporting rib are of an integrated structure, and the reinforced supporting sleeve is made of carbon fiber materials.

Preferably, the whole spacer sleeve is of a porous loose structure, and the spacer sleeve is made of low-temperature-resistant silicon rubber.

Preferably, the outer side of the reinforced supporting sleeve is wrapped with a wear-resistant sleeve, and the wear-resistant sleeve is formed by covering a plurality of layers of wear-resistant paint rings.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has reasonable structure and strong functionality and has the following advantages:

1. according to the utility model, the cold resistance of the cable surface is increased through the wear-resistant sleeve, the overall strength of the cable is improved through the reinforced support sleeve, and the corrosion resistance and the extreme cold resistance of the cable are improved, so that the cable is suitable for extremely cold climates with larger salt alkalinity;

2. in the utility model, the whole performance of the cable is ensured, the additional structure is simplified, the production difficulty is reduced, the additional weight of the cable is reduced, and the cable is convenient to transport and lay.

Drawings

FIG. 1 is an isometric view of the utility model;

fig. 2 is a cross-sectional view of the present utility model.

In the figure: 1. a wire core; 2. an insulating sleeve; 3. a spacer sleeve; 4. reinforcing the supporting sleeve; 5. a wear-resistant sleeve; 401. an inner support layer; 402. an outer support layer; 403. and a middle supporting rib.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a photovoltaic is with corrosion-resistant extremely cold resistant special cable, includes the insulating cover 2 of sinle silk 1 and the outside parcel of sinle silk 1, and the outside cover of insulating cover 2 is equipped with spacer sleeve 3, and is equipped with the reinforcing at the outside cover of spacer sleeve 3 and support cover 4, wherein, insulating cover 2 plays an insulation protection effect with sinle silk 1 relatively, and spacer sleeve 3 plays a interval support and protection effect in the middle of insulating cover 2 and reinforcing support cover 4, and spacer sleeve 3 still plays the cold-resistant ability of a reinforcing cable core and the shock resistance effect of reinforcing cable.

Further, the reinforced support sleeve 4 comprises an inner support layer 401 and an outer support layer 402, and an intermediate support rib 403 is fixedly connected between the inner support layer 401 and the outer support layer 402 in a circumferential direction, and the inner support layer 401 is fixedly sleeved on the outer side of the spacer sleeve 3.

Further, the middle supporting ribs 403 are uniformly distributed and arranged in a segmented manner along the axial direction of the inner supporting layer 401, and the middle supporting ribs 403 are uniformly distributed and arranged in a circumferential direction along the outer side of the inner supporting layer 401, wherein the middle supporting ribs 403 play a role in connecting and supporting between the inner supporting layer 401 and the outer supporting layer 402, and the interval type connection reduces the heat conduction between the inner supporting layer 401 and the outer supporting layer 402, so that the cavity before the inner supporting layer 401 and the outer supporting layer 402 can be vacuumized during installation, the heat insulation capacity of the cable is further improved, and the cold resistance capacity of the whole cable is improved.

Further, the inner supporting layer 401, the outer supporting layer 402 and the middle supporting ribs 403 are of an integrated structure, and the whole reinforcing supporting sleeve 4 is made of carbon fiber, so that the mechanical property of the whole reinforcing supporting sleeve 4 is improved by the carbon fiber, and the mechanical strength of the whole cable is further improved.

Furthermore, the whole spacer sleeve 3 is of a porous loose structure, the spacer sleeve 3 is made of low-temperature-resistant silicon rubber, the porous loose structure has the damping effect on external vibration, and the porous loose structure has good insulation and heat insulation performance, so that the cold resistance of the cable is improved.

Further, the outside of the reinforcing support sleeve 4 is wrapped with the wear-resistant sleeve 5, the wear-resistant sleeve 5 is formed by covering a plurality of layers of wear-resistant paint rings, and the wear-resistant sleeve 5 plays roles of protection, wear resistance and corrosion resistance relative to the inside of the whole cable.

In the utility model, the cold resistance and shock resistance of the whole cable are improved through the spacer sleeve 3, the cold resistance, corrosion resistance and mechanical strength of the cable are improved through the reinforced support sleeve 4, the whole cable is simpler in structure and convenient to manufacture, and the additional weight is reduced while the corrosion resistance and extremely cold resistance of the whole cable are ensured, so that the whole cable is lighter.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic is with corrosion-resistant extremely cold-resistant special cable, includes insulating boot (2) of sinle silk (1) and sinle silk (1) outside parcel, its characterized in that: the outer side of the insulating sleeve (2) is sleeved with a spacing sleeve (3), and the outer side of the spacing sleeve (3) is sleeved with a reinforcing support sleeve (4).

2. The special cable for resisting corrosion and extreme cold for photovoltaic use according to claim 1, wherein: the reinforced support sleeve (4) comprises an inner support layer (401) and an outer support layer (402), an intermediate support rib (403) is fixedly connected between the inner support layer (401) and the outer support layer (402) in a circumferential direction, and the inner support layer (401) is fixedly sleeved on the outer side of the spacer sleeve (3).

3. The special cable for resisting corrosion and extreme cold for photovoltaic use according to claim 2, wherein: the middle supporting ribs (403) are uniformly distributed and arranged in sections along the axial direction of the inner supporting layer (401), and the middle supporting ribs (403) are uniformly distributed and arranged in the circumferential direction along the outer side of the inner supporting layer (401).

4. The special cable for resisting corrosion and extreme cold for photovoltaic use according to claim 2, wherein: the inner supporting layer (401), the outer supporting layer (402) and the middle supporting ribs (403) are of an integrated structure, and the reinforced supporting sleeve (4) is made of carbon fiber materials.

5. The special cable for resisting corrosion and extreme cold for photovoltaic use according to claim 1, wherein: the whole spacer sleeve (3) is of a porous loose structure, and the spacer sleeve (3) is made of low-temperature-resistant silicon rubber.

6. The special cable for resisting corrosion and extreme cold for photovoltaic use according to claim 1, wherein: the outside of reinforcing support cover (4) parcel has wear-resisting cover (5), wear-resisting cover (5) are by multilayer wear-resisting coating ring cladding lid.