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CN-224232386-U - Long-life photovoltaic cable

CN224232386UCN 224232386 UCN224232386 UCN 224232386UCN-224232386-U

Abstract

The utility model relates to the technical field of cables and discloses a long-service-life photovoltaic cable which comprises a conductor, an insulating layer arranged outside the conductor and a sheath layer arranged outside the insulating layer, wherein the conductor is formed by stranded tinned copper wires, the surfaces of the copper wires are covered with a layer of tin, the materials of the insulating layer and the sheath layer are processed through irradiation crosslinking processing procedures, the cable further comprises at least one functional layer arranged on the insulating layer or the sheath layer, and the functional layer is one or more of a shielding layer, a waterproof layer, a flame retardant layer, a heat insulation layer, an ultraviolet resistance layer and a reinforcing fiber layer. The long-life photovoltaic cable aims to provide a long-life photovoltaic cable which is temperature-resistant, ageing-resistant, acid-base-resistant, flame-retardant and excellent in ultraviolet resistance.

Inventors

  • LI CHUANJUN
  • HUANG TAINAN
  • LUO JING
  • TIAN JIAN
  • CHENG FANGYUN

Assignees

  • 湖北航天电缆有限公司

Dates

Publication Date
20260512
Application Date
20241128

Claims (9)

  1. 1. The utility model provides a long-life photovoltaic cable, its characterized in that includes conductor (1), sets up insulating layer (2) and sheath layer (3) of setting outside insulating layer (2) in conductor (1), and wherein conductor (1) comprises through stranded tinned copper wire, and the surface of copper wire is covered with one deck tin, the material of insulating layer (2) and sheath layer (3) is all handled through the irradiation crosslinking processing procedure, the cable still includes at least one deck functional layer (4) of setting on insulating layer (2) or sheath layer (3), functional layer (4) are one or more of shielding layer, waterproof layer, flame retardant coating, insulating layer, ultraviolet resistance layer, reinforcing fiber layer.
  2. 2. The long-life photovoltaic cable according to claim 1, characterized in that the insulating layer (2) and the sheath layer (3) are made of flame-retardant halogen-free polyolefin material with temperature resistance greater than 150 degrees as a base material.
  3. 3. A long life photovoltaic cable according to claim 1, characterized in that the functional layer (4) is a shielding layer arranged between the insulating layer (2) and the jacket layer (3) of the cable, wherein the shielding layer is composed of a copper mesh, an aluminum mesh or a stainless steel mesh or a conductive polymer material.
  4. 4. A long life photovoltaic cable according to claim 1, characterized in that the functional layer (4) is a waterproof layer, which is arranged outside the sheath layer (3), wherein the waterproof layer is composed of a waterproof polymer or rubber material.
  5. 5. A long life photovoltaic cable according to claim 1, characterized in that the functional layer (4) is a flame retardant layer arranged at any position of the cable to improve the flame retardant properties of the cable, wherein the flame retardant layer is composed of a flame retardant polymer material.
  6. 6. The long-life photovoltaic cable according to claim 1, characterized in that the functional layer (4) is a thermal insulation layer, and the thermal insulation layer is arranged at a position where thermal insulation is required inside the cable to reduce heat transfer, wherein the thermal insulation layer is made of a thermal insulation material such as ceramic fiber or aerogel.
  7. 7. A long life photovoltaic cable according to claim 1, characterized in that the functional layer (4) is an anti-uv layer arranged on the outer layer of the cable to protect the cable from uv radiation, wherein the anti-uv layer is composed of uv absorber or reflector material.
  8. 8. The long-life photovoltaic cable according to claim 1, characterized in that the functional layer (4) is a reinforcing fiber layer, and the reinforcing fiber layer is arranged at a position where the reinforcing fiber layer is required to be reinforced in the cable so as to improve the mechanical strength and the wear resistance of the cable, wherein the reinforcing fiber layer is made of high-strength materials such as glass fiber or aramid fiber.
  9. 9. The long life photovoltaic cable according to claim 1, characterized in that the conductors (1) and the insulating layer (2), the insulating layer (2) and the sheath layer (3), the insulating layer (2) and the functional layer (4), and the sheath layer (3) and the functional layer (4) are all connected by close fitting.

Description

Long-life photovoltaic cable Technical Field The utility model relates to the technical field of cables, in particular to a long-service-life photovoltaic cable. Background With the increasing importance of renewable energy sources worldwide, solar power generation is an important component of clean energy, wherein photovoltaic power generation takes up a significant share with its unique advantages, and the realization of the ambitious goal is that a solid support of a photovoltaic cable with excellent performance and long service life is not available, and the quality of the photovoltaic cable is directly related to the operation efficiency and stability of the whole system as a key component in a solar power generation system, so in order to meet the huge and continuously growing market demand, we have to increase the research and development force, continuously innovate technology, and aim at developing more efficient, durable and environment-friendly photovoltaic cable products, which is not only a powerful push to the photovoltaic industry in China, but also an important contribution to the renewable energy industry worldwide. The traditional photovoltaic cable has a series of obvious defects in the aspects of temperature resistance, ageing resistance, acid and alkali resistance, flame retardance, ultraviolet resistance and the like, the defects limit the overall performance and reliability of the photovoltaic system to a great extent, particularly, the traditional cable has limited temperature resistance, is difficult to bear high-temperature environment under extreme weather conditions, leads to accelerated ageing of cable materials, has reduced performance, and meanwhile, has poor ageing resistance, is exposed to outdoor environment for a long time, the surface of the cable is easy to crack and harden, further influences the electrical performance and mechanical strength of the cable, and in addition, the traditional cable also has a short plate in acid and alkali resistance, has insufficient resistance to acid and alkali corrosion environment, is easy to cause damage of a cable insulating layer, causes potential safety hazards, has lower flame retardant level in the aspect of flame retardance, is easy to spread along the cable once the accident condition such as fire is encountered, increases accident risk, and finally, the traditional cable has obvious defects in the aspect of ultraviolet radiation for a long time, and the surface of the cable is easy to age and color change, and seriously influences the service life of the cable. Disclosure of utility model The utility model aims to provide a long-life photovoltaic cable which is resistant to temperature, aging, acid and alkali, flame and ultraviolet, and is excellent in performance. The technical scheme for solving the technical problems is as follows: The utility model provides a long-life photovoltaic cable, includes the conductor, sets up at the outside insulating layer of conductor and set up at the outside restrictive coating of insulating layer, and wherein the conductor comprises through stranded tinned copper wire, and the surface cover of copper wire has the one deck tin, the material of insulating layer and restrictive coating is all handled through irradiation crosslinking processing procedure, the cable still includes at least one deck functional layer of setting on insulating layer or restrictive coating, the functional layer is one or more of shielding layer, waterproof layer, fire-retardant layer, insulating layer, ultraviolet resistance layer, reinforcing fiber layer. On the basis of the technical scheme, the utility model can be improved as follows. Furthermore, the insulating layer and the sheath layer are both made of flame-retardant halogen-free polyolefin materials with the temperature resistance of more than 150 ℃ as base materials, and the carbon black content in the sheath layer is more than 4%. Further, the functional layer is a shielding layer, and the shielding layer is arranged between the insulating layer and the sheath layer of the cable, wherein the shielding layer is composed of a copper mesh, an aluminum mesh or a stainless steel mesh or a conductive polymer material. Furthermore, the functional layer is a waterproof layer, and the waterproof layer is arranged outside the sheath layer, wherein the waterproof layer is made of waterproof polymer or rubber material. Further, the functional layer is a flame-retardant layer, and the flame-retardant layer is arranged at any position of the cable so as to improve the flame-retardant performance of the cable, wherein the flame-retardant layer is made of flame-retardant polymer materials. Furthermore, the functional layer is a heat insulation layer, and the heat insulation layer is arranged at a part of the cable, which needs heat insulation, so as to reduce heat transfer, wherein the heat insulation layer is made of heat insulation materials such as ceramic fiber or aer