CN217061541U

CN217061541U - Photovoltaic cable

Info

Publication number: CN217061541U
Application number: CN202220753333.1U
Authority: CN
Inventors: 张义福
Original assignee: Sichuan Xinmei Cable Co ltd
Current assignee: Sichuan Xinmei Cable Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-26
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a photovoltaic cable, including the cable overcoat, the cable overcoat is the insulating material of irradiation crosslinked polyolefin, the shielding area is woven to the inner wall fixedly connected with copper wire of cable overcoat, the inside cover of cable overcoat is equipped with the protection endotheca, the inside of protection endotheca is equipped with the solid cover area of rubber, the fixed tinned copper core that inlays and have the annular arrangement in the inside of the solid cover area of rubber. This photovoltaic cable, the cable overcoat through setting up is the insulating material of irradiation cross-linking polyolefin, can increase photovoltaic cable's resistant radiation and high temperature resistance, make photovoltaic cable can be suitable for abominable environment, avoid the abominable environment to cause the damage of photovoltaic cable crust, there is not steamed flame retardant coating through setting up, the flame retardant coating, rubber solid sleeve area and polyethylene insulating layer, can increase photovoltaic cable's fire-retardant and insulating properties of preventing fires, make the inside efficient fire retardance that has of cable, effectively avoid the photovoltaic cable phenomenon that the short circuit caught fire to appear, the safe permanent use of the photovoltaic cable of being convenient for.

Description

Photovoltaic cable

Technical Field

The utility model relates to a photovoltaic cable technical field, in particular to photovoltaic cable.

Background

The cable is a general name of articles such as optical cables, electric cables and the like, has multiple purposes, is mainly used for controlling multiple functions such as installation, connecting equipment, electric power transmission and the like, is a common and indispensable object in daily life, and along with the continuous enhancement of energy-saving consciousness, green energy is rapidly developed, solar energy and photovoltaic are widely applied in China, and in a photovoltaic industrial chain, a special photovoltaic cable is one of important use components and determines the service life of the whole photovoltaic system.

The existing photovoltaic cable still has certain disadvantages in use, some photovoltaic cables used at present are poor in heat resistance, high temperature resistance and fireproof performance, are used in severe environment, particularly under severe temperature change, cable sheaths are easy to crack, the service life of the cable is greatly shortened, short circuit phenomenon occurs simultaneously, fire disasters occur, mechanical properties are insufficient, the cable is inconvenient to safely erect, and therefore the photovoltaic cable is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic cable to solve some photovoltaic cables of the present use that propose in the above-mentioned background art, heat-resisting high temperature resistant and fire behavior are relatively poor, use under rugged environment, especially under violent temperature variation, cracked appears easily in the cable crust, greatly reduces the life of cable, appears short circuit phenomenon simultaneously, causes the conflagration to take place, and mechanical properties is not enough moreover, is not convenient for the problem that the cable safety erect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a photovoltaic cable, includes the cable overcoat, the cable overcoat is the radiation crosslinked polyolefin insulating material, the shielding area is woven to the inner wall fixedly connected with copper wire of cable overcoat, the inside cover of cable overcoat is equipped with the protection endotheca, the inside of protection endotheca is equipped with the solid cover area of rubber, the fixed tinned copper core that inlays and have the annular arrangement in inside of the solid cover area of rubber, every the equal fixedly connected with polyethylene insulating layer of surface of tinned copper core, the inside packing of protection endotheca has the fire-retardant layer of halogen-free, the fire-retardant layer of halogen-free is the radiation crosslinked polyolefin material.

Preferably, the inner wall of the protective inner sleeve is fixedly connected with a damp-proof layer, the inner wall of the damp-proof layer is fixedly connected with a fireproof layer, and the inner wall of the fireproof layer is fixedly connected with the outer surface of the halogen-free flame-retardant layer.

Preferably, the rubber fixing sleeve is internally and fixedly embedded with tensile fiber yarns which are annularly arranged, and the number of the tensile fiber yarns is at least six.

Preferably, the outer surface of the protective inner sleeve is sleeved with a non-woven fabric layer, a hemp rope filling layer is arranged inside the non-woven fabric layer, and the inner wall of the hemp rope filling layer is fixedly connected with the outer surface of the protective inner sleeve.

Preferably, tensile steel wires arranged in an annular mode are fixedly embedded in the cable outer sleeve, and concave wire grooves arranged in an annular mode are formed in the inner wall of the cable outer sleeve.

Preferably, the front surface of the cable jacket is fixedly connected with a specification nameplate, and the specification nameplate is located in the middle of the cable jacket.

The utility model discloses a technological effect and advantage:

1. the cable overcoat through setting up is irradiation crosslinking polyolefin insulation material, can effectively increase photovoltaic cable's resistant radiation and high temperature resistance, make photovoltaic cable be suitable for abominable environment more, avoid adverse circumstances to cause the damage of photovoltaic cable crust, simultaneously through the halogen-free flame retardant coating that sets up, the flame retardant coating, rubber solid jacket area and polyethylene insulating layer, can increase photovoltaic cable's fire-retardant and insulating properties of preventing, make the inside efficient fire resistance that has of cable, effectively avoid the photovoltaic cable phenomenon that the short circuit caught fire to appear, the safe permanent use of the photovoltaic cable of being convenient for.

2. Through the rubber solid sleeve belt, the tensile fiber yarns, the concave line grooves and the tensile steel wires, the mechanical strength and the distortion performance of the photovoltaic cable can be effectively improved, the photovoltaic cable can bear pressure, bending, tension, cross tensile load and strong impact, and erection work of the photovoltaic cable is facilitated.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the cable jacket of the present invention.

Fig. 2 is a cross-sectional view of a top view of the cable jacket of the present invention.

Fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a cable jacket; 2. weaving a shielding belt with copper wires; 3. a non-woven fabric layer; 4. a hemp rope filling layer; 5. a protective inner sleeve; 6. a moisture barrier layer; 7. a fire barrier layer; 8. a halogen-free flame retardant layer; 9. a polyethylene insulating layer; 10. tinning a copper core; 11. a specification nameplate; 12. a tensile steel wire; 13. a groove; 14. rubber sleeve fixing belts; 15. tensile fiber yarn.

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 efforts all belong to the protection scope of the present invention.

The utility model provides a photovoltaic cable as shown in fig. 1-3, including cable overcoat 1, cable overcoat 1 is irradiation crosslinking polyolefin insulating material, shielding area 2 is woven to the inner wall fixedly connected with copper wire of cable overcoat 1, the inside cover of cable overcoat 1 is equipped with protection endotheca 5, the inside of protection endotheca 5 is equipped with rubber solid cover area 14, the fixed tinned copper core 10 that inlays and have the annular arrangement in the inside of rubber solid cover area 14, the inside packing of the equal fixedly connected with polyethylene insulating layer 9 protection endotheca 5 of surface of every tinned copper core 10 has halogen-free fire-retardant layer 8, halogen-free fire-retardant layer 8 is irradiation crosslinking polyolefin material.

In this embodiment, the inner wall fixedly connected with dampproof course 6 of protection endotheca 5, the inner wall fixedly connected with flame retardant coating 7 of dampproof course 6, the inner wall of flame retardant coating 7 and the surface fixed connection who has no steamed flame retardant coating 8 can increase the fire-resistant and moisture resistance of photovoltaic cable, the safe handling of the cable of being convenient for.

In this embodiment, the tensile fiber 15 that has the annular arrangement is inlayed to rubber solidus belt 14 inside fixed, and the quantity of tensile fiber 15 is six at least, can increase photovoltaic cable pliability, and the photovoltaic cable's of being convenient for is buckled and is used.

In this embodiment, the surface cover of protection endotheca 5 is equipped with non-woven fabrics layer 3, and the inside of non-woven fabrics layer 3 is equipped with rope made of hemp filling layer 4, and the inner wall of rope made of hemp filling layer 4 is connected with the surface fixed connection of protection endotheca 5, can compress to the cable is inside to tighten up to carry out collision avoidance protection to it, the safe handling of the photovoltaic cable of being convenient for.

In this embodiment, the fixed tensile steel wire 12 that inlays and have the annular arrangement in inside of cable overcoat 1, and annular arrangement concave groove 13 has been seted up to the inner wall of cable overcoat 1, can effectively increase the mechanical properties of photovoltaic cable, the photovoltaic cable of being convenient for erect work.

In this embodiment, the positive fixedly connected with specification data plate 11 of cable overcoat 1, specification data plate 11 are located the middle part of cable overcoat 1, can mark the specification of photovoltaic cable, and the staff of being convenient for is to observing and using.

This practical theory of operation: the utility model relates to a photovoltaic cable, when using, with a layer of polyethylene insulation layer 9 of surface parcel of tinned copper core 10, carry out insulation protection for the first time to tinned copper core 10, wrap up into the inside of rubber solid sleeve area 14 with a plurality of tinned copper cores 10 simultaneously, with the insulating character and the pliable and tough characteristic of increase cable, install the inside of protection endotheca 5 with tinned copper core 10, wrap up in the surface at protection endotheca 5 with non-woven fabrics layer 3 simultaneously, and load into rope made of hemp filling layer 4 and carry out inside protection to the cable wherein, then with the outside of cable overcoat 1 cover at non-woven fabrics layer 3, accomplish the assembly of photovoltaic cable, then erect the photovoltaic cable.

When the photovoltaic cable is in use, through halogen-free flame retardant coating 8, flame retardant coating 7, rubber solid sleeve belt 14 and polyethylene insulating layer 9, with fire-retardant and insulating properties of the fire prevention that increases the photovoltaic cable, make the inside efficient fire resistance and the insulating nature that has of cable, prevent that the short circuit from appearing the phenomenon of catching fire in the photovoltaic cable, cable overcoat 1 is irradiation crosslinking polyolefin insulating material simultaneously, increase the resistant radiation and the high temperature resistance of photovoltaic cable, make the photovoltaic cable can be suitable for various abominable environments, avoid the photovoltaic cable to damage in the use, realize the safe handling of photovoltaic cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A photovoltaic cable comprising a cable jacket (1), characterized in that: the cable cover (1) is irradiation crosslinked polyolefin insulating material, shielding area (2) is woven to the inner wall fixedly connected with copper wire of cable cover (1), the inside cover of cable cover (1) is equipped with protection endotheca (5), the inside of protection endotheca (5) is equipped with rubber solid cover area (14), the inside fixed tin-plated copper core (10) of inlaying that has the annular to arrange of rubber solid cover area (14), every the equal fixedly connected with polyethylene insulating layer (9) of surface of tin-plated copper core (10), the inside packing of protection endotheca (5) has halogen-free flame retardant layer (8), halogen-free flame retardant layer (8) are irradiation crosslinked polyolefin material.

2. A photovoltaic cable according to claim 1, characterized in that: the inner wall fixedly connected with dampproof course (6) of protection endotheca (5), the inner wall fixedly connected with flame retardant coating (7) of dampproof course (6), the inner wall of flame retardant coating (7) is connected with the surface fixed of steamed fire-retardant layer (8) of nothing.

3. A photovoltaic cable as claimed in claim 1, characterized in that: tensile fiber yarns (15) which are arranged in a ring shape are fixedly embedded in the rubber fixing and sleeving belt (14), and the number of the tensile fiber yarns (15) is at least six.

4. A photovoltaic cable as claimed in claim 1, characterized in that: the outer surface cover of protection endotheca (5) is equipped with non-woven fabrics layer (3), the inside of non-woven fabrics layer (3) is equipped with rope made of hemp filling layer (4), the inner wall of rope made of hemp filling layer (4) is connected with the surface fixed connection of protection endotheca (5).

5. A photovoltaic cable according to claim 1, characterized in that: tensile steel wires (12) arranged in an annular mode are fixedly embedded in the cable outer sleeve (1), and concave wire grooves (13) arranged in an annular mode are formed in the inner wall of the cable outer sleeve (1).

6. A photovoltaic cable according to claim 1, characterized in that: the front face of the cable jacket (1) is fixedly connected with a specification nameplate (11), and the specification nameplate (11) is located in the middle of the cable jacket (1).