CN210956238U

CN210956238U - Photovoltaic cable of easily separating

Info

Publication number: CN210956238U
Application number: CN201922358774.2U
Authority: CN
Inventors: 高丰跃
Original assignee: Jiangsu Youruilianke Cable Co ltd
Current assignee: Jiangsu Youruilianke Cable Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-07
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a photovoltaic cable of easy separation, including the oversheath, be equipped with two fixed chambeies that are used for holding the monomer cable in the oversheath, and the middle part of oversheath is equipped with connecting portion, the upper and lower both sides of connecting portion all are equipped with additional strengthening, additional strengthening comprises steel wire strengthening rib and PVC paster, steel wire strengthening rib pressfitting is in the outside of connecting portion, the PVC paster is located the outside of steel wire strengthening rib, and the PVC paster bonds on connecting portion, the outside of PVC paster is equipped with two notches, the monomer cable includes fire-retardant sheath and a plurality of cable guide core, fire-retardant sheath inboard is equipped with the steel band armor, and the inboard of steel band armor is equipped with the polyvinyl chloride inner sheath, cable guide core equipartition is in the polyvinyl chloride inner sheath. Compared with the traditional photovoltaic cable, the utility model discloses structural strength is high, production simple process and easily separation, and it is more convenient to use.

Description

Photovoltaic cable of easily separating

Technical Field

The utility model relates to a photovoltaic cable technical field specifically is an easily photovoltaic cable of separation.

Background

A large amount of direct current cables need to be laid outdoors in the photovoltaic power station, and the photovoltaic cables can be laid for needs usually in laying process, and just need be under construction many times, has increased the cost and the time of laying. Adopt many photovoltaic cables side by side, can effectively reduce and lay expense and engineering time, nevertheless also exist the phenomenon of damaging the restrictive coating when tearing easily.

To this end, we propose an easily separable photovoltaic cable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easy photovoltaic cable who separates to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a photovoltaic cable easy to separate comprises an outer sheath, wherein two fixed cavities used for containing single cables are arranged in the outer sheath, a connecting part is arranged in the middle of the outer sheath, reinforcing structures are arranged on the upper side and the lower side of the connecting part respectively, each reinforcing structure is composed of a steel wire reinforcing rib and a PVC (polyvinyl chloride) paster, the steel wire reinforcing ribs are pressed on the outer side of the connecting part, the PVC pasters are located on the outer sides of the steel wire reinforcing ribs and bonded on the connecting part, two notches are formed in the outer sides of the PVC pasters, each single cable comprises a flame-retardant sheath and a plurality of cable conducting cores, a steel belt armoring layer is arranged on the inner side of the flame-retardant sheath, a polyvinyl chloride inner sheath is arranged on the inner side of the steel belt armoring layer, the cable conducting cores are uniformly distributed in the polyvinyl chloride inner sheath, a PE (polyethylene), and the outer side of the conductive cable core is further coated with a cabled lapping non-woven fabric layer.

Preferably, the cross-section of the fixing cavity is circular.

Preferably, the connecting part is flat, and the thickness of the connecting part is smaller than that of other parts of the outer sheath.

Preferably, the notch is arranged on the PVC patch in a V shape.

Preferably, the rubber reinforcing winding belt is arranged on the outer side of the outer sheath and wound on the outer sheath.

Preferably, a mica fire-resistant wrapping tape layer is arranged between the cable conducting core and the insulating layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the connecting portion of a platykurtic at the middle part of overcoat, all be equipped with additional strengthening in the upper and lower both sides of connecting portion, additional strengthening comprises steel wire strengthening rib and PVC paster, the oversheath is the PVC material, through the direct crowded package processing of extruding machine and form, when the overcoat is not cooled off completely, through the press with steel wire strengthening rib pressfitting in the connecting portion of overcoat, laminate the PVC paster in the outside of connecting portion through the heat-sealing machine simultaneously, get up steel wire strengthening rib cladding through the PVC paster, play a fixed effect of enhancement. At ordinary times, the reinforcing structure plays a reinforcing structure intensity's effect, when needs, can tear the PVC paster, then take out the steel wire strengthening rib, at last just the indentation of accessible steel wire strengthening rib department tears the oversheath. Compared with the traditional photovoltaic cable, the utility model discloses structural strength is high, production simple process and easily separation, and it is more convenient to use.

Drawings

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

fig. 2 is a schematic structural view of the outer sheath of the present invention;

fig. 3 is a schematic view of the single cable structure of the present invention.

In the figure: 1. an outer sheath; 2. a monolithic cable; 3. a fixed cavity; 4. a connecting portion; 5. a reinforcing structure; 6. a steel wire reinforcing rib; 7. PVC (polyvinyl chloride) paster; 8. a notch; 9. a flame retardant jacket; 10. a conductive cable core; 11. a steel tape armor layer; 12. a polyvinyl chloride inner sheath; 13. an XLPE insulating layer; 14. a glass fiber filler layer; 15. cabling and lapping a non-woven fabric layer; 16. a rubber reinforcing wrap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides an easy-to-separate photovoltaic cable, which comprises an outer sheath 1, two fixing cavities 3 for accommodating single cables 2 are arranged in the outer sheath 1, a connecting part 4 is arranged in the middle of the outer sheath 1, reinforcing structures 5 are arranged on the upper and lower sides of the connecting part 4, each reinforcing structure 5 is composed of a steel wire reinforcing rib 6 and a PVC patch 7, the steel wire reinforcing ribs 6 are pressed on the outer side of the connecting part 4, the PVC patches 7 are arranged on the outer side of the steel wire reinforcing ribs 6, the PVC patches 7 are bonded on the connecting part 4, two notches 8 are arranged on the outer side of the PVC patches 7, the single cables 2 comprise a flame-retardant sheath 9 and a plurality of conductive cable cores 10, a steel tape armoring layer 11 is arranged on the inner side of the flame-retardant sheath 9, a polyvinyl chloride inner sheath 12 is arranged on the inner side of the steel tape armoring layer 11, the conductive, and the outside of electrically conductive cable core 10 is equipped with XLPE insulating layer 13, it has glass silk filling layer 14 to fill between the electrically conductive cable core 10, and the outside of electrically conductive cable core 10 still cladding become cable and wrap non-woven fabrics layer 15. The steel wire reinforcing ribs 6 can leave impressions on the connecting parts 4 in the process of pressing the connecting parts 4, and the outer sheath 1 is convenient to tear open through the impressions.

The cross section of the fixing cavity 3 is circular. The connecting part 4 is flat, and the thickness of the connecting part 4 is smaller than that of other parts of the outer sheath 1. The notch 8 is arranged on the PVC patch 7 in a V shape. When PVC paster 7 is difficult for tearing, accessible cutter cuts PVC paster 7 along notch 8, because notch 8 is the slope setting, consequently need not worry that the cutter can miscut to monomer cable 2. The outer side of the outer sheath 1 is provided with a rubber reinforcing winding belt 16, and the rubber reinforcing winding belt 16 is wound on the outer sheath 1. The rubber reinforcing winding belt 16 is a belt made of rubber, is arranged on the outer sheath 1 at intervals, plays a role in reinforcing the structural strength, and can be directly torn off when a cable needs to be separated. And a mica fire-resistant tape layer is arranged between the cable conducting core 10 and the XLPE insulating layer 13.

In order to better understand the utility model by those skilled in the art, the working process of the utility model is briefly described with reference to the attached drawings: through the connecting portion 4 that sets up a platykurtic in the middle part at overcoat 1, upper and lower both sides at connecting portion 4 all are equipped with additional strengthening 5, additional strengthening 5 comprises steel wire strengthening rib 6 and PVC paster 7, oversheath 1 is the PVC material, directly crowded package processing through the extruding machine forms, when overcoat 1 is not fully cooled down, through the press with the connecting portion of steel wire strengthening rib 6 pressfitting overcoat 1, laminate PVC paster 7 in the outside of connecting portion 4 through the heat-sealing machine simultaneously, 6 claddings of steel wire strengthening rib through PVC paster 7, play a fixed effect of strengthening. At ordinary times, the reinforcing structure 5 plays a role in reinforcing structure strength, when needed, the PVC patch 7 can be torn open, then the steel wire reinforcing ribs 6 are drawn out, and finally the outer sheath 1 can be torn through the indentations at the positions of the steel wire reinforcing ribs 6.

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

Claims

1. An easy-to-separate photovoltaic cable comprising an outer sheath (1), characterized in that: the cable comprises an outer sheath (1), wherein two fixed cavities (3) used for containing single cables (2) are arranged in the outer sheath (1), a connecting part (4) is arranged in the middle of the outer sheath (1), reinforcing structures (5) are arranged on the upper side and the lower side of the connecting part (4), each reinforcing structure (5) is composed of a steel wire reinforcing rib (6) and a PVC (polyvinyl chloride) patch (7), the steel wire reinforcing ribs (6) are pressed on the outer side of the connecting part (4), the PVC patches (7) are located on the outer sides of the steel wire reinforcing ribs (6), the PVC patches (7) are bonded on the connecting part (4), two notches (8) are formed in the outer sides of the PVC patches (7), each single cable (2) comprises a flame-retardant sheath (9) and a plurality of cable guide cores (10), a steel strip armor layer (11) is arranged on the inner side of the flame-retardant sheath (9), and a polyvinyl chloride, the utility model discloses a cable guide core, including lead cable core (10), lead cable core (10) equipartition in polyvinyl chloride inner sheath (12), and the outside of lead cable core (10) is equipped with XLPE insulating layer (13), it has glass silk filling layer (14) to fill between lead cable core (10), and the outside of lead cable core (10) still the cladding have the stranding to wind package non-woven fabrics layer (15).

2. An easily separable photovoltaic cable according to claim 1, wherein: the cross section of the fixed cavity (3) is circular.

3. An easily separable photovoltaic cable according to claim 1, wherein: the connecting part (4) is flat, and the thickness of the connecting part (4) is smaller than that of other parts of the outer sheath (1).

4. An easily separable photovoltaic cable according to claim 1, wherein: the notch (8) is arranged on the PVC patch (7) in a V shape.

5. An easily separable photovoltaic cable according to claim 1, wherein: the outer side of the outer sheath (1) is provided with a rubber reinforcing winding belt (16), and the rubber reinforcing winding belt (16) is wound on the outer sheath (1).

6. An easily separable photovoltaic cable according to claim 1, wherein: and a mica fire-resistant wrapping tape layer is arranged between the cable conducting core (10) and the XLPE insulating layer (13).