CN218481986U - Corrosion-resistant aluminum alloy photovoltaic cable - Google Patents

Abstract

The utility model is suitable for a photovoltaic cable technical field provides a corrosion-resistant aluminum alloy photovoltaic cable, include: the cable core, the inoxidizing coating, its wrap up in the outside of cable core, the filling layer, its cladding in the outside of inoxidizing coating, the armor, its cover is located the outside of filling layer to and, the sheath basic unit, its cover is located the outside of armor, the first guiding orientation cushion core and the second guiding orientation cushion core that set up can guarantee a plurality of outer sinle silks and fix in position in the inlayer sinle silk outside, simultaneously, strengthen the structural strength of whole cable core, when avoiding taking place to buckle, the bad phenomena such as damage or fracture appear in inlayer sinle silk or outer sinle silk, insulating properties and fire behaviour that the inoxidizing coating that substrate layer and insulating layer are constituteed can the protection cable core can guarantee that this cable normally works under strong erosion environment such as sunshine, rainwater, has promoted the holistic life-span of this cable, has also made things convenient for subsequent normal use.

Description

Corrosion-resistant aluminum alloy photovoltaic cable

Technical Field

The utility model belongs to the technical field of the photovoltaic cable, especially, relate to a corrosion-resistant aluminum alloy photovoltaic cable.

Background

In recent years, attention has been paid to the environment-friendly industry such as the solar industry, and most of them, electricity generation is performed by solar energy. Solar power generation usually needs to be carried out by building a photovoltaic power station, and the photovoltaic power station is usually provided with important components such as a photovoltaic module, an inverter, a price-raising transformer, a photovoltaic cable which is connected in a matching way and the like.

Patent numbers: CN215600131U, which discloses: the cable comprises a cable core, a sheath structure wrapped outside the cable core and ointment filled in a gap between the cable core and the sheath structure; the cable core comprises a wire core formed by twisting a plurality of conductors, a first sealing tape wrapped on the outer side of the wire core, an insulating layer wrapped on the outer side of the first sealing tape, a base layer sheath wrapped on the outer side of the insulating layer and a reinforcing core filled in a gap between the wire core and the first sealing tape; the sheath structure comprises a second sealing wrapping tape, an armor layer and an outer sheath; the armor layer is arranged between the second sealing wrapping tape and the outer sheath; and the second sealing wrapping belt is tightly wrapped on the outer side of the cable core. The utility model discloses a set up sealed band one and sealed band two in the wire core and cable core outside, realized double-deck sealed to the cable, improved the sealed effect of cable, avoid the cable to receive the damage of colliding with, prolonged the life of cable.

However, when the cable is corroded by sunlight, rain and the like, the cable is easily corroded, and the normal work of the cable cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a corrosion-resistant aluminum alloy photovoltaic cable aims at solving the problem of mentioning in the above-mentioned background art.

The utility model discloses a realize like this, a corrosion-resistant aluminum alloy photovoltaic cable, include: the cable comprises a cable core, a protective layer, a filling layer, an armor layer and a protective sleeve base layer, wherein the protective layer is wrapped on the outer side of the cable core, the filling layer is wrapped on the outer side of the protective layer, the armor layer is sleeved on the outer side of the filling layer, and the protective sleeve base layer is sleeved on the outer side of the armor layer.

Preferably, the cable core includes: the inlayer sinle silk is located the outside of inlayer sinle silk still waits that angular distribution has a plurality of outer sinle silks, and is a plurality of the outside cladding of outer sinle silk has the parcel layer.

Preferably, the plurality of outer layer wire cores take the inner layer wire core as a center, and are twisted and wound on the outer side wall of the inner layer wire core along the extending direction of the inner layer wire core along the same direction.

Preferably, every adjacent two outer sinle silk and gap department between the inlayer sinle silk is filled there is first direction location cushion core, and, be located two adjacent settings outer sinle silk with gap department between the parcel layer is filled there is the second direction location cushion core, and is through a plurality of first direction location cushion core with the second direction location cushion core is used for the shutoff two adjacent settings the clearance between the outer sinle silk.

Preferably, the inner layer wire core and the plurality of outer layer wire cores are made of aluminum alloy materials, and the first guiding and positioning cushion core and the plurality of second guiding and positioning cushion cores are made of high-density polyethylene materials.

Preferably, the wrapping layer is wound by PET wrapping tapes.

Preferably, the protective layer comprises: the cover is located substrate layer on the parcel layer outer wall, and the cover is located insulating layer on the substrate layer outer wall, wherein, the substrate layer is formed by rubber silica gel preparation, just the insulating layer is by the preparation of the zero halogen low smoke polyolefin material of irradiation crosslinking.

Preferably, the filling layer is an aluminum silicate fiber rope.

Preferably, the jacket base layer is made of a flame-retardant rubber material.

Preferably, the outer wall of the jacket base layer is uniformly coated with a flame retardant coating.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a corrosion-resistant aluminum alloy photovoltaic cable:

the first guiding orientation cushion core and the second guiding orientation cushion core that set up can guarantee that a plurality of outer sinle silks are at the rigidity in the inlayer sinle silk outside, and simultaneously, the structural strength of whole cable core strengthens when buckling, and the bad phenomena such as damage or fracture appear in inlayer sinle silk or outer sinle silk.

The protective layer formed by the substrate layer and the insulating layer can protect the insulating property and the flame retardant property of the cable core, can ensure that the cable can normally work in strong erosion environments such as sunlight and rainwater, prolongs the service life of the whole cable, and facilitates subsequent normal use.

The flame-retardant coating coated on the sheath base layer can further improve the flame-retardant heat-insulating property of the cable, and prevent the device from spontaneous combustion, burning and other phenomena under severe environment.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partial schematic view of the present invention (cable core not shown);

in the figure:

1. a cable core; 11. an inner layer wire core; 12. an outer layer wire core; 13. a wrapping layer; 14. a first guiding and positioning cushion core; 15. a second guiding and positioning cushion core;

2. a protective layer; 21. a substrate layer; 22. an insulating layer;

3. a filling layer;

4. an armor layer;

5. a jacket base layer; 51. a flame-retardant coating.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a corrosion resistant aluminum alloy photovoltaic cable comprising: cable core 1: the cable core 1 includes: the cable comprises an inner-layer cable core 11, a plurality of outer-layer cable cores 12 and a wrapping layer 13, wherein the outer-layer cable cores 12 are positioned on the outer side of the inner-layer cable core 11 and distributed at equal angles, and the wrapping layer 13 wraps the outer sides of the outer-layer cable cores 12;

the outer layer wire cores 12 take the inner layer wire cores 11 as the center, and are stranded and wound on the outer side wall of the outer layer wire cores along the extending direction of the outer layer wire cores in the same direction;

a first guiding and positioning cushion core 14 is filled in a gap between every two adjacent outer layer wire cores 12 and the inner layer wire core 11, a second guiding and positioning cushion core 15 is filled in a gap between the two adjacent outer layer wire cores 12 and the wrapping layer 13, and the gaps between the two adjacent outer layer wire cores 12 are sealed through the plurality of first guiding and positioning cushion cores 14 and the second guiding and positioning cushion cores 15;

the inner-layer wire core 11 and the outer-layer wire cores 12 are made of aluminum alloy materials, and the first guiding and positioning cushion core 14 and the second guiding and positioning cushion cores 15 are made of high-density polyethylene materials;

the wrapping layer 13 is wound by PET wrapping tapes.

Specifically, cable core 1 comprises inlayer sinle silk 11 and a plurality of outer sinle silk 12, and a plurality of outer sinle silks 12 are the outside that distributes in inlayer sinle silk 11 of equidirectional angle, and a plurality of outer sinle silks 12 along twisting around the outside of locating inlayer sinle silk 11 with the angular direction, and, still guarantee the structural strength of inlayer sinle silk 11 and a plurality of outer sinle silk 12 through a plurality of first guiding orientation cushion cores 14 and a plurality of second guiding orientation sinle silk 15, specifically do: clearance department between two adjacent outer sinle silk 12 and inlayer sinle silk 11 is provided with first guiding orientation cushion core 14, first guiding orientation cushion core 14 and two adjacent outer sinle silks 12, the outer wall of inlayer sinle silk 11 is tangent, and, at two adjacent outer sinle silks 12, and the outside that is located first guiding orientation cushion core 14 and keeps away from inlayer sinle silk 11 is provided with second guiding orientation cushion core 15, in the outside of a plurality of outer sinle silks 12, the winding has the parcel layer 13 of chooseing for use the PET band, every second guiding orientation cushion core 15 all with two adjacent outer sinle silks 12, parcel layer 13 inner wall is tangent, thereby guarantee the stability and the fixing of a plurality of outer sinle silk 12 positions through a plurality of first guiding orientation cushion cores 14 and a plurality of second guiding orientation sinle silks 15, simultaneously, strengthen the overall structure intensity of cable core 1 through a plurality of first guiding orientation cushion cores 14 and a plurality of second guiding orientation sinle silks 15, avoid taking place violent deformation after subsequently receiving external impact, it does not receive the damage to have guaranteed that inlayer sinle silk 11 and a plurality of outer sinle silks 12.

In addition, the inner layer wire core 11 and the outer layer wire cores 12 are made of aluminum alloy materials, so that the conductivity of the inner layer wire core and the outer layer wire cores can be increased, the accuracy and the precision of follow-up current transmission are guaranteed, and loss is avoided.

First direction location cushion core 14 and a plurality of second direction location cushion core 15 are made by high density polyethylene material and are formed, because high density polyethylene acid and alkali-resistance, organic solvent resistant, electrical insulation is good, consequently, when it uses as the direction location cushion core, interval between 11 and a plurality of outer sinle silk 12 of inlayer sinle silk of effectual shutoff, the fixed of assurance outer sinle silk 12 position.

Referring to fig. 1-3, a protection layer 2 is wrapped outside the cable core 1;

the protective layer 2 includes: the substrate layer 21 is sleeved on the outer wall of the wrapping layer 13, and the insulating layer 22 is sleeved on the outer wall of the substrate layer 21, wherein the substrate layer 21 is prepared from rubber/silica gel, and the insulating layer 22 is prepared from an irradiation crosslinking halogen-free low-smoke polyolefin material.

Specifically, inoxidizing coating 2 comprises substrate layer 21 and insulating layer 22, and wherein, the filling structure that substrate layer 21 was made by rubber or silica gel material, and the outside of cable core 1 is located to its cover, utilizes the insulating ability of rubber or silica gel can promote the whole insulating properties of this cable, and simultaneously, insulating layer 22 that irradiation cross-linking halogen-free low smoke polyolefin material prepared has higher fire behaviour to promote the whole flame retardant ability of this cable.

Referring to fig. 1-3, the filling layer 3 covers the outer side of the protective layer 2, and the filling layer 3 is an aluminum silicate fiber rope.

Specifically, the aluminum silicate fiber has the advantages of high temperature resistance, good thermal stability, low thermal conductivity, small heat capacity, good mechanical vibration resistance, small thermal expansion, good heat insulation performance and the like, is a preferred material for replacing asbestos, and can ensure that the cable core 1 is protected to the greatest extent during working due to excellent insulating capability and sound absorption capability.

Referring to fig. 1-3, an armor layer 4 is disposed on the outside of the filler layer 3, and a base layer 5 is disposed on the outside of the armor layer 4.

The jacket base layer 5 is made of flame-retardant rubber material, and the outer wall of the jacket base layer 5 is uniformly coated with flame-retardant coating 51.

Specifically, the armor 4 that sets up takes place deformation or damage when can avoiding this cable to receive external impact, and simultaneously, the fire-retardant rubber of sheath basic unit 5 adoption can promote its fire-retardant ability and wear resistance, and its fire-retardant ability of promotion that coated fire-retardant coating 51 can be further.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back:

the first guiding orientation cushion core 14 and the second guiding orientation cushion core 15 that set up can guarantee a plurality of outer sinle silks 12 in the rigidity in the 11 outsides of inlayer sinle silks, simultaneously, strengthen the structural strength of whole cable core 1, when avoiding taking place to buckle, the bad phenomena such as damage or fracture appear in inlayer sinle silks 11 or outer sinle silks 12.

The insulating properties and the fire behaviour of inoxidizing coating 2 that substrate layer 21 and insulating layer 22 are constituteed can protect cable core 1, can guarantee that this cable normally works under strong erosion environment such as sunshine, rainwater, promoted the holistic life-span of this cable, also made things convenient for subsequent normal use.

The flame-retardant coating 51 coated on the jacket base layer 5 can further improve the flame-retardant and heat-insulating performance of the cable, and prevent the device from spontaneous combustion, burning and other phenomena in severe environment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A corrosion-resistant aluminum alloy photovoltaic cable, comprising:

a cable core (1);

the protective layer (2) wraps the outer side of the cable core (1);

a filling layer (3) which covers the outer side of the protective layer (2);

the armor layer (4) is sleeved outside the filling layer (3);

and the sheath base layer (5) is sleeved outside the armor layer (4).

2. The corrosion-resistant aluminum alloy photovoltaic cable of claim 1, wherein the cable core (1) comprises:

an inner layer wire core (11);

a plurality of outer layer wire cores (12) are distributed on the outer side of the inner layer wire core (11) at equal angles;

the outer sides of the outer layer wire cores (12) are coated with wrapping layers (13).

3. The corrosion-resistant aluminum alloy photovoltaic cable of claim 2, wherein a plurality of the outer layer cores (12) are disposed around the inner layer core (11) and twisted in the same direction along the extending direction thereof.

4. The corrosion-resistant aluminum alloy photovoltaic cable of claim 3, wherein a gap between every two adjacent outer-layer cores (12) and inner-layer cores (11) is filled with a first guiding and positioning cushion core (14);

a second guiding and positioning cushion core (15) is filled in a gap between the two adjacent outer layer wire cores (12) and the wrapping layer (13);

the gaps between two adjacent outer layer wire cores (12) are blocked by a plurality of first guiding and positioning cushion cores (14) and second guiding and positioning cushion cores (15).

5. The corrosion-resistant aluminum alloy photovoltaic cable of claim 4, wherein the inner core (11) and the plurality of outer cores (12) are made of aluminum alloy, and the first guiding and positioning pad core (14) and the plurality of second guiding and positioning pad cores (15) are made of high-density polyethylene.

6. The corrosion-resistant aluminum alloy photovoltaic cable of claim 2, wherein the wrapping layer (13) is wrapped with PET tape.

7. A corrosion resistant aluminum alloy photovoltaic cable according to claim 2, wherein said protective layer (2) comprises:

a substrate layer (21) sleeved on the outer wall of the wrapping layer (13), and an insulating layer (22) sleeved on the outer wall of the substrate layer (21);

the substrate layer (21) is prepared from rubber/silica gel, and the insulating layer (22) is prepared from an irradiation crosslinking halogen-free low-smoke polyolefin material.

8. The corrosion-resistant aluminum alloy photovoltaic cable of claim 1, wherein the filler layer (3) is an aluminum silicate fiber rope.

9. The corrosion-resistant aluminum alloy photovoltaic cable of claim 1, wherein the sheathing base layer (5) is a flame-retardant rubber material.

10. The corrosion-resistant aluminum alloy photovoltaic cable of claim 9, wherein the outer wall of the sheathing base layer (5) is uniformly coated with a flame retardant coating (51).

Images