Ultraviolet aging resistant photovoltaic cable

Abstract

The utility model discloses an ultraviolet aging resistant photovoltaic cable, which comprises a wire core, an insulating layer, a nylon net reinforcing layer, an inner heat insulation layer, a sealing ring, a heat insulation cavity, an outer heat insulation layer, a sheath and a right-angle preformed groove, the insulating layer is wrapped on the outer side of the wire core, the nylon net reinforcing layer is installed on the outer side of the insulating layer, and the sealing ring is arranged on the nylon net reinforcing layer. An inner heat insulation layer is installed on the periphery of the outer side of the nylon net reinforcing layer, a plurality of sealing rings are installed on the periphery of the outer side of the inner heat insulation layer at equal intervals, an outer heat insulation layer is installed on the outer sides of the sealing rings, a plurality of heat insulation cavities are formed between the adjacent sealing rings, the periphery of the outer side of the outer heat insulation layer is wrapped with a sheath, and a right-angle reserved groove is formed in the side edge of the sheath. According to the utility model, the design is reasonable, the tensile resistance is high, the heat insulation capability is good, the working temperature of the cable can be greatly reduced in use, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to a photovoltaic cable which is resistant to ultraviolet aging. Background Art

[0002] Solar energy systems are often used in harsh environmental conditions, such as high temperature and ultraviolet radiation. Therefore, photovoltaic cables need better thermal insulation, and during installation and maintenance, the cables can be routed on the sharp edges of the roof structure, bearing pressure, bending, and tensile loads, requiring the cables to have higher performance. Utility Model Content

[0003] The purpose of the utility model is to provide a photovoltaic cable resistant to ultraviolet aging to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A photovoltaic cable resistant to ultraviolet aging comprises a wire core, an insulating layer, a nylon mesh reinforcement layer, an inner heat-insulating layer, a sealing ring, a heat-insulating cavity, an outer heat-insulating layer, a sheath and a right-angle reserved groove, wherein the outer side of the wire core is wrapped with an insulating layer, the outer side of the insulating layer is installed with a nylon mesh reinforcement layer, the outer side of the nylon mesh reinforcement layer is installed with an inner heat-insulating layer, a plurality of sealing rings are installed equidistantly around the outer side of the inner heat-insulating layer, an outer heat-insulating layer is installed on the outer side of the sealing ring, and a plurality of heat-insulating cavities are formed between adjacent sealing rings, the outer side of the outer heat-insulating layer is wrapped with a sheath, and the side of the sheath is provided with a right-angle reserved groove.

[0006] Preferably: the UV-resistant photovoltaic cable also includes a curved reflective layer and a reserved groove. The curved reflective layer is installed on the outside of the sheath to reduce the reflectivity of sunlight. The curved reflective layer is provided with reserved grooves at equal intervals to make the cable easy to bend when laid.

[0007] Preferably, the heat-insulating cavity is filled with inert gas, which reduces heat conduction and increases pressure resistance.

[0008] The beneficial effects of the utility model are as follows: the utility model has reasonable design, high tensile strength and good heat insulation ability, and can greatly reduce the working temperature of the cable during use, thereby increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the structure of the utility model of the photovoltaic cable resistant to ultraviolet aging.

[0010] In the figure: 1. wire core, 2. insulation layer, 3. nylon mesh reinforcement layer, 4. inner insulation layer, 5. sealing ring, 6. insulation cavity, 7. outer insulation layer, 8. sheath, 9. right-angle reserved groove, 10. arc-shaped reflective layer, 11. reserved groove. DETAILED DESCRIPTION

[0011] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0012] like Figure 1 As shown, a photovoltaic cable resistant to ultraviolet aging includes a core 1, an insulating layer 2, a nylon mesh reinforcement layer 3, an inner thermal insulation layer 4, a sealing ring 5, an insulating cavity 6, an outer thermal insulation layer 7, a sheath 8, and a right-angle reserved groove 9. The outer side of the core 1 is wrapped with an insulating layer 2, the outer side of the insulating layer 2 is installed with a nylon mesh reinforcement layer 3, the outer side of the nylon mesh reinforcement layer 3 is installed with an inner thermal insulation layer 4, a plurality of sealing rings 5 ​​are equidistantly installed around the outer side of the inner thermal insulation layer 4, an outer thermal insulation layer 7 is installed on the outer side of the sealing ring 5, and a plurality of thermal insulation cavities 6 are formed between adjacent sealing rings 5, the outer side of the outer thermal insulation layer 7 is wrapped with a sheath 8, and a right-angle reserved groove 9 is opened on the side of the sheath 8. The anti-ultraviolet aging photovoltaic cable also includes an arc-shaped reflective layer 10 and a reserved groove 11. The outer side of the sheath 8 is provided with an arc-shaped reflective layer 10 to reduce the reflectivity of sunlight. The arc-shaped reflective layer 10 is provided with reserved grooves 11 at equal intervals to make the cable easy to bend when laid. The heat insulation cavity 6 is filled with inert gas to reduce heat conduction and increase pressure resistance.

[0013] The working principle of the utility model: the nylon mesh reinforcement layer 3 built into the cable increases the tensile strength of the cable, the inert gas filled in the insulation cavity 6 between the inner and outer insulation layers can reduce the thermal conductivity and has a certain compressive resistance, the cable is laid at corners through the right-angle reserved groove 9, and the outer arc-shaped reflective layer 10 reduces the reflectivity of sunlight.

[0014] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary, and equivalent changes within the equivalent scope are included in the scope of the present invention.

Claims

1. A photovoltaic cable resistant to ultraviolet aging, comprising a core (1), an insulating layer (2), a nylon mesh reinforcement layer (3), an inner heat insulation layer (4), a sealing ring (5), a heat insulation cavity (6), an outer heat insulation layer (7), a sheath (8), and a right-angle reserved groove (9), characterized in that: The outer side of the wire core (1) is wrapped with an insulating layer (2), the outer side of the insulating layer (2) is installed with a nylon mesh reinforcement layer (3), the outer side of the nylon mesh reinforcement layer (3) is installed with an inner heat insulation layer (4), the outer side of the inner heat insulation layer (4) is installed with a plurality of sealing rings (5) at equal intervals, the outer side of the sealing ring (5) is installed with an outer heat insulation layer (7), and a plurality of heat insulation cavities (6) are formed between adjacent sealing rings (5), the outer side of the outer heat insulation layer (7) is wrapped with a sheath (8), and the side of the sheath (8) is provided with a right-angle reserved groove (9).

2. The UV-resistant photovoltaic cable according to claim 1, characterized in that: The anti-ultraviolet aging photovoltaic cable also includes a curved reflective layer (10) and a reserved groove (11); the curved reflective layer (10) is installed on the outside of the sheath (8) to reduce the reflectivity of sunlight; the curved reflective layer (10) is provided with reserved grooves (11) at equal intervals, so that the cable is easy to bend when laid.

3. The UV-resistant photovoltaic cable according to claim 1, characterized in that: The heat-insulating cavity (6) is filled with inert gas, which reduces heat conduction and increases pressure resistance.

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