CN218159762U

CN218159762U - Combined cable

Info

Publication number: CN218159762U
Application number: CN202221918938.8U
Authority: CN
Inventors: 赵飞; 余森林; 苏勇; 陶磊; 陈齐武
Original assignee: Shanghai Nanda Group Co ltd
Current assignee: Shanghai Nanda Group Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-27
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a combined cable, which comprises a cable core and an outer protective layer; the outer protection layer is coated on the periphery of the cable core; the cable core includes photovoltaic cable and communication cable, photovoltaic cable and communication cable set up inside the outer jacket and laminate and set up. This scheme is through forming by multiple transmission line structures such as photovoltaic cable, communication cable to wrap up them in an organic whole through the outer covering, can satisfy the needs that circuits such as photovoltaic power generation electric energy transmission and video signal collection laid simultaneously, a cable is multi-purpose, makes to lay the construction more convenient and fast, has also reduced construction cost effectively, has increased the life of cable, has improved the reliability of cable.

Description

Combined cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to combined cable of photovoltaic power generation electric energy transmission, video signal collection in an organic whole.

Background

In the laying construction of the line of the photovoltaic power generation system, because the requirements of laying the lines such as photovoltaic power generation electric energy transmission, video signal acquisition and the like are met simultaneously, a plurality of cables such as a photovoltaic cable and a shielding signal flexible cable are laid together in parallel, so that inconvenience is brought to the laying construction, and the construction cost is increased. Meanwhile, the cable is difficult to be pulled by external force in the construction and laying process, and the transmission performance of the cable can be possibly deteriorated by the action of the external force. Therefore, the reliability of the cable use cannot be guaranteed, and the service life of the cable can be greatly shortened.

Therefore, how to improve the reliability of the cable is a problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

To there being the not high technical problem of reliability in current cable, the utility model aims to provide a combined cable, it is the combined cable of collection photovoltaic electricity generation electric energy transmission, video signal collection in an organic whole, can improve the reliability of cable, has overcome the problem that prior art exists well.

In order to achieve the purpose, the utility model provides a combined cable, which comprises a cable core and an outer protection layer; the outer protection layer is coated on the periphery of the cable core; the cable core includes photovoltaic cable and communication cable, photovoltaic cable and communication cable set up inside the outer jacket and laminate and set up.

Further, the photovoltaic cable is composed of a conductor, an insulating layer, an armor layer and a sheath layer; the conductor is sequentially coated with an insulating layer, an armor layer and a sheath layer from inside to outside.

Further, the conductor is composed of a plurality of strands of bare oxygen-free soft copper wires; the insulating layer is a halogen-free low-smoke irradiation crosslinking polyolefin insulating layer coated on the periphery of the conductor; the armor layer is a steel-plastic composite film belt coated on the periphery of the insulating layer; the sheath layer is a halogen-free low-smoke irradiation cross-linked polyolefin sheath coated on the periphery of the armor layer.

Furthermore, the communication cable consists of a plurality of cable cores, a shielding layer and a sheath; the cable cores, the shielding layer and the sheath are sequentially coated.

Furthermore, the cable cores are arranged in a laminating mode, the structure of each cable core is the same, and each cable core comprises a conductor and an insulating layer; the insulating layer is coated on the periphery of the conductor.

Furthermore, the insulating layer is formed by compounding an inner insulating layer and an outer insulating layer.

Further, the inner insulating layer is a foamed polyolefin insulating layer; the outer insulating layer is a solid polyethylene insulating layer; the shielding layer is an aluminum-plastic composite film belt coated on the periphery of the communication cable insulating layer; the sheath is a halogen-free low-smoke flame-retardant polyolefin sheath coated on the periphery of the shielding layer.

Further, the outer protection layer is made of weather-proof thermoplastic halogen-free low-smoke flame-retardant polyurethane elastomer coated on the periphery of the cable core.

The utility model provides a combined cable, it is through forming by multiple transmission line structures such as photovoltaic cable, communication cable to wrap up them in an organic whole through the outer protective layer, can satisfy the needs that circuits such as photovoltaic power generation electric energy transmission and video signal gathered laid simultaneously, a cable is multi-purpose, has improved the reliability of cable greatly.

Drawings

The invention is further described with reference to the following drawings and detailed description.

Fig. 1 is a schematic overall structure diagram of the combination type cable.

The following are labeled descriptions of the components in the drawings:

1. the cable comprises a photovoltaic cable 11, a conductor 12, an insulating layer 13, an armor layer 14, a sheath layer 2, a communication cable 21, a conductor 22, an inner insulating layer 23, an outer insulating layer 24, a shielding layer 25, a sheath 3 and an outer protective layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Aiming at the technical problem that the existing cable is not high in reliability, based on the technical problem, the scheme provides the combined cable which is formed by multiple transmission line structures such as a photovoltaic cable and a communication cable, and the photovoltaic cable and the communication cable are wrapped into a whole through an outer protection layer, the requirements of laying lines such as photovoltaic power generation electric energy transmission and video signal acquisition can be met simultaneously, one cable is multifunctional, and the reliability of the cable is greatly improved.

Referring to fig. 1, the combined cable provided by the scheme comprises a cable core and an outer protection layer 3, wherein the outer protection layer 3 is coated on the periphery of the cable core.

The cable core includes photovoltaic cable 1 and communication cable 2, and photovoltaic cable 1 sets up in outer jacket 3 inside and the laminating sets up with communication cable 2.

The photovoltaic cable 1 is used for transmitting photovoltaic power generation electric energy and comprises a conductor 11, an insulating layer 12, an armor layer 13 and a sheath layer 14.

The conductor 11 is used for photovoltaic conduction, and preferably comprises a plurality of strands of bare oxygen-free soft copper wires, and the copper wires are provided with a protective layer relative to the outside of a common copper wire, so that the conductor has the effects of good conductivity, good durability and difficulty in oxidation.

The insulating layer 12 is coated on the periphery of the conductor 11, the insulating layer 12 is preferably formed by a halogen-free low-smoke irradiation cross-linked polyolefin insulating layer, and the structure has the advantages of good temperature resistance level, large current-carrying capacity, increased insulating resistance, long service life, strong overload capacity, environmental protection and safety.

The armor layer 13 is coated on the periphery of the insulating layer 12 and used for increasing the mechanical strength of the cable, and the armor layer 13 is preferably formed by a steel-plastic composite film belt with the thickness of 0.24-0.27 mm and has the characteristics of corrosion resistance, high tensile strength and high compressive strength.

The sheath layer 14 is wrapped around the armor layer 13, is disposed at the outermost periphery of the photovoltaic cable 1, and is used for protecting the whole photovoltaic cable 1.

The sheath layer 14 is preferably formed by a halogen-free low-smoke irradiation cross-linked polyolefin sheath, and the structure has the advantages of good temperature resistance level, large carrying capacity, long service life, strong overload capacity, environmental protection and safety.

The photovoltaic cable 1 formed by sequentially coating the structure can ensure the stability and reliability of the transmission performance parameters of the photovoltaic power generation electric energy.

The communication cable 2 is a signal collecting line for transmitting video signals, and consists of a plurality of cable cores, a shielding layer 24 and a sheath 25.

The cable cores are attached to each other, and each cable core is identical in structure and comprises a conductor 21 and an insulating layer.

Further, the conductor 21 is used for communication conduction, and is preferably made of a single bare oxygen-free copper wire, which has good conductivity and durability and is not easily oxidized.

The insulating layer is coated on the periphery of the conductor 21 and is formed by compounding an inner insulating layer 22 and an outer insulating layer 23.

The inner insulating layer 22 is preferably made of a foamed polyolefin insulating layer, and has the effects of light weight, shock resistance, insulation, good heat preservation, corrosion resistance and low cost.

The outer insulating layer 23 is preferably a solid polyethylene insulating layer having voltage resistance and good mechanical and moisture resistance, and forms an insulating layer around the conductor 21 in cooperation with the inner insulating layer 22, so as to insulate the conductor 21 well.

The shielding layer 24 is coated on the periphery of the insulating layer, and is preferably an aluminum-plastic composite film tape with the thickness of 0.065-0.068 mm, the impact resistance and pressure resistance strength of the tape are high, and the tape can prevent external electromagnetic waves from interfering the communication of the communication cable.

The sheath 25 is wrapped on the periphery of the shielding layer 24 and is arranged on the periphery of the whole communication cable 2; the jacket 25 is preferably made of halogen-free low-smoke flame-retardant polyolefin jacket, and the structure has the advantages of good temperature resistance level, large carrying capacity, long service life, strong overload capacity, environmental protection and safety.

The outer protection layer 3 is coated on the periphery of the cable core, is preferably made of weather-resistant thermoplastic halogen-free low-smoke flame-retardant polyurethane elastomer, and has the advantages of excellent ultraviolet resistance, ozone resistance, aging resistance, hydrolysis resistance, acid-base corrosion resistance, wear resistance, tear resistance, tensile strength, bending resistance and long service life.

The combined cable formed by the scheme is composed of various transmission line structures such as a photovoltaic cable and a communication cable, and the photovoltaic cable and the communication cable are wrapped into a whole through the outer protective layer, so that the requirements of laying lines such as photovoltaic power generation electric energy transmission and video signal acquisition can be met simultaneously, the cable is multifunctional, laying construction is more convenient and faster, construction cost is effectively reduced, the service life of the cable is prolonged, and the reliability of the cable is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The combined cable is characterized by comprising a cable core and an outer protective layer; the outer protection layer is coated on the periphery of the cable core; the cable core includes photovoltaic cable and communication cable, photovoltaic cable and communication cable set up inside the outer jacket and laminate and set up.

2. The combination cable of claim 1, wherein said photovoltaic cable is comprised of a conductor, an insulating layer, an armor layer and a jacketing layer; the conductor is sequentially coated with an insulating layer, an armor layer and a sheath layer from inside to outside.

3. The combination cable of claim 2, wherein said conductor is comprised of a plurality of strands of bare, oxygen-free, soft copper wire; the insulating layer is a halogen-free low-smoke irradiation crosslinking polyolefin insulating layer coated on the periphery of the conductor; the armor layer is a steel-plastic composite film belt coated on the periphery of the insulating layer; the sheath layer is a halogen-free low-smoke irradiation cross-linked polyolefin sheath coated on the periphery of the armor layer.

4. The combination cable of claim 1, wherein the communication cable is comprised of a plurality of cores, a shield and a sheath; the plurality of cable cores, the shielding layer and the sheath are sequentially coated.

5. The combination cable of claim 4, wherein the plurality of cable cores are arranged in a laminated manner, and each cable core has the same structure and comprises a conductor and an insulating layer; the insulating layer is coated on the periphery of the conductor.

6. The combination cable of claim 5, wherein said insulation is a composite of inner and outer insulation.

7. The combination cable of claim 6, wherein the inner insulation layer is a foamed polyolefin insulation layer; the outer insulating layer is a solid polyethylene insulating layer; the shielding layer is an aluminum-plastic composite film belt coated on the periphery of the communication cable insulating layer; the sheath is a halogen-free low-smoke flame-retardant polyolefin sheath coated on the periphery of the shielding layer.

8. The combination cable of claim 1, wherein the outer protective layer is a weather-resistant thermoplastic halogen-free low-smoke flame-retardant polyurethane elastomer coated on the periphery of the cable core.