Cable for photovoltaic power generation

Through the combination of multi-layer protective structure and materials, the corrosion resistance problem of cables for photovoltaic power generation is solved, and the corrosion resistance and service life of cables are improved.

CN223308795UActive Publication Date: 2025-09-05GUANGDONG JU INNOVATION ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422729009.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-09
Publication Date
2025-09-05
Estimated Expiration
2034-11-09

AI Technical Summary

Technical Problem

Existing photovoltaic power cables have poor corrosion resistance and are susceptible to corrosion and cause damage, affecting the conductive performance and service life.

Method used

It adopts a multi-layer protective structure, including an inner protective layer, an outer protective layer, a reinforcement layer and an anti-corrosion coating, combined with copper conductors, copper foil shielding and carbon fiber support frame, to enhance the corrosion and compressive resistance of the cable.

Benefits of technology

Improves the corrosion resistance of the cable, reduces the risk of damage, and improves the conductivity and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of cables, and provides a cable for photovoltaic power generation, which comprises a cable body, the cable body comprises a plurality of conductors, and the conductors are made of copper. The insulating layer is arranged outside the conductor, and the insulating layer is made of cross-linked polyethylene; the shielding layer is assembled outside the insulating layer, and the shielding layer is a copper foil; the anti-corrosion mechanism is arranged outside the shielding layer, and the anti-corrosion mechanism is used for carrying out anti-corrosion on the cable body; and a compression-resistant mechanism arranged on the cable body, wherein the compression-resistant mechanism is used for carrying out compression resistance on the cable body. According to the scheme, the cable for photovoltaic power generation is high in corrosion resistance, the situation that the cable is damaged due to corrosion during use is reduced, the conductivity of the cable body is improved, and the service life of the cable body is prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cables, and in particular relates to a cable for photovoltaic power generation. Background Art

[0002] Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy.

[0003] In the process of photovoltaic power generation, corresponding cables are needed. However, some existing photovoltaic power generation cables still have certain shortcomings in actual use. Some photovoltaic power generation cables have poor corrosion resistance. When the cables are exposed to the outside for a long time, they are susceptible to corrosion, causing cable damage. This will not only reduce the protection of the cables, but may also cause safety hazards such as leakage and short circuit. It will also reduce the electrical conductivity of the cables, affect the transmission efficiency of the cables, and may even cause equipment shutdown or other abnormal phenomena, seriously affecting the use effect and life of the cables. Utility Model Content

[0004] The utility model provides a photovoltaic power generation cable, aiming to solve the problem of poor corrosion resistance of the currently used photovoltaic power generation cables raised in the above background technology.

[0005] To solve the above problems, the utility model is implemented as follows: a photovoltaic power generation cable, comprising: a cable body, the cable body comprising multiple conductors, the conductors being copper; an insulating layer arranged on the outside of the conductors, the insulating layer being cross-linked polyethylene; a shielding layer assembled on the outside of the insulating layer, the shielding layer being copper foil; an anti-corrosion mechanism arranged on the outside of the shielding layer, the anti-corrosion mechanism being used to protect the cable body from corrosion; and a pressure-resistant mechanism arranged on the cable body, the pressure-resistant mechanism being used to protect the cable body from pressure.

[0006] Preferably, the anti-corrosion mechanism includes an inner protective layer, an outer protective layer, a reinforcement layer and an anti-corrosion coating, the inner protective layer is arranged on the outside of the shielding layer, the outer protective layer is arranged on the outside of the inner protective layer, the reinforcement layer is arranged on the inside of the outer protective layer, and the anti-corrosion coating is arranged on the outside of the outer protective layer.

[0007] Preferably, the inner protective layer is composed of chloroprene rubber, the outer protective layer is composed of EPDM rubber, the reinforcement layer is composed of polyvinyl chloride, and the anti-corrosion coating is composed of epoxy resin.

[0008] Preferably, the pressure-resistant structure includes: a reinforcement layer and a buffer layer, the reinforcement layer is arranged outside the shielding layer, and the buffer layer is assembled outside the reinforcement layer.

[0009] Preferably, the reinforcement layer is composed of fiber bundles, and the buffer layer is composed of polyethylene.

[0010] Preferably, a support frame is provided inside the cable body, the support frame is used to support the cable body, and the support frame is made of carbon fiber material.

[0011] Preferably, a flame retardant strip and a flame retardant layer are provided in the cable body, the flame retardant strip is magnesium oxide powder, the flame retardant layer is polyvinyl chloride, and a filler is provided in the cable body, the filler is talcum powder.

[0012] Compared with related technologies, the photovoltaic power generation cable provided by the present invention has the following beneficial effects:

[0013] Compared with existing technologies, the photovoltaic power generation cable provided by this solution:

[0014] The cable body can be used for photovoltaic power generation, and has strong overall corrosion resistance, which reduces the risk of damage to the cable body due to corrosion, thereby improving the overall conductivity and service life of the cable body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a photovoltaic power generation cable provided by the utility model;

[0016] Figure 2 It is a side sectional structural schematic diagram of the utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG.

[0018] Figure numerals: 1. Cable body; 2. Conductor; 3. Insulation layer; 4. Shielding layer; 5. Anti-corrosion mechanism; 501. Inner protective layer; 502. Outer protective layer; 503. Reinforcement layer; 504. Anti-corrosion coating; 6. Compression-resistant mechanism; 601. Reinforcement layer; 602. Buffer layer; 7. Support frame; 8. Flame retardant strip; 9. Flame retardant layer; 10. Filler. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein in the specification of the application are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the description of the above-mentioned drawings, as well as any variations thereof, are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0020] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The present invention provides a photovoltaic power generation cable. Figure 1-3 As shown, the photovoltaic power generation cable includes: a cable body 1, the cable body 1 includes a plurality of conductors 2, the conductors 2 are copper; an insulating layer 3 arranged on the outside of the conductor 2, the insulating layer 3 is cross-linked polyethylene; a shielding layer 4 assembled on the outside of the insulating layer 3, the shielding layer 4 is copper foil; an anti-corrosion mechanism 5 arranged on the outside of the shielding layer 4, the anti-corrosion mechanism 5 is used to resist corrosion of the cable body 1; a pressure-resistant mechanism 6 arranged on the cable body 1, the pressure-resistant mechanism 6 is used to resist pressure on the cable body 1.

[0022] In this embodiment, when the cable body 1 is used for photovoltaic power generation, the transmission efficiency of electric energy can be ensured by the conductor 2. The insulating layer 3 is cross-linked polyethylene, which can provide good insulation performance and weather resistance for the cable body 1. The shielding layer 4 is copper foil, which can reduce electromagnetic interference and signal attenuation during use of the cable body 1, thereby improving the transmission quality of the cable body 1. It can effectively isolate the influence of external electromagnetic fields on the internal signals of the cable body 1. The anti-corrosion mechanism 5 can provide good corrosion resistance for the cable body 1, reduce the damage of the cable body 1 due to corrosion, effectively improve the anti-corrosion effect of the cable body 1, and thus improve the overall conductivity and service life of the cable body 1. The anti-pressure mechanism 6 can improve the overall anti-pressure performance of the cable body 1, thereby reducing the damage of the cable body 1 when under pressure and improving the overall strength of the cable body 1 during use.

[0023] In a further preferred embodiment of the present invention, the anti-corrosion mechanism 5 includes an inner protective layer 501, an outer protective layer 502, a reinforcement layer 503 and an anti-corrosion coating 504, the inner protective layer 501 is arranged on the outside of the shielding layer 4, the outer protective layer 502 is arranged on the outside of the inner protective layer 501, the reinforcement layer 503 is arranged on the inside of the outer protective layer 502, and the anti-corrosion coating 504 is arranged on the outside of the outer protective layer 502.

[0024] In this embodiment, through the interaction of the inner protective layer 501, the outer protective layer 502 and the reinforcement layer 503, multiple protective layers are formed on the inside of the cable body 1, reducing the entry of foreign substances into the interior of the cable body 1, thereby improving the corrosion resistance of the cable body 1, and the anti-corrosion coating 504 can further play an anti-corrosion role on the cable body 1.

[0025] In a further preferred embodiment of the present invention, the inner protective layer 501 is composed of chloroprene rubber, the outer protective layer 502 is composed of EPDM rubber, the reinforcement layer 503 is composed of polyvinyl chloride, and the anti-corrosion coating 504 is composed of epoxy resin.

[0026] In this embodiment, the inner protective layer 501 is composed of chloroprene rubber, which is a rubber material with excellent corrosion resistance. It is soft and elastic, and can fit tightly inside the cable body 1, providing good corrosion protection and protection for the inside of the cable body 1. The outer protective layer 502 is composed of EPDM rubber, which has good mechanical properties and weather resistance, and can improve the overall strength of the cable body 1 and reduce the corrosion of the cable body 1. The reinforcing layer 503 is composed of polyvinyl chloride, which has high strength, wear resistance and weather resistance, and improves the overall use strength of the cable body 1. The anti-corrosion coating 504 is composed of epoxy resin, which can isolate the corrosive medium and improve the corrosion resistance of the cable body 1.

[0027] In a further preferred embodiment of the present invention, the pressure-resistant mechanism 6 includes: a reinforcement layer 601 and a buffer layer 602 . The reinforcement layer 601 is arranged outside the shielding layer 4 , and the buffer layer 602 is assembled outside the reinforcement layer 601 .

[0028] In this embodiment, the reinforcing layer 601 and the buffer layer 602 can improve the overall strength of the cable body 1 , thereby reducing the possibility of the cable body 1 being ruptured due to pressure.

[0029] In a further preferred embodiment of the present invention, the reinforcing layer 601 is composed of fiber bundles, and the buffer layer 602 is composed of polyethylene.

[0030] In this embodiment, the reinforcing layer 601 is composed of fiber bundles, which can enhance the compressive resistance of the cable body 1. These reinforcing layers 601 can disperse external forces and reduce the risk of deformation of the cable body 1 due to extrusion. The buffer layer 602 is composed of polyethylene. After foaming, the polyethylene has excellent lightness, high strength and good buffering performance. It can effectively absorb and disperse pressure when squeezed by external force and protect the interior of the cable body 1 from damage. In addition, the foamed polyethylene material also has good weather resistance and chemical stability, which can help the cable body 1 resist the erosion of ultraviolet rays, moisture and chemicals.

[0031] In a further preferred embodiment of the present invention, a support frame 7 is provided inside the cable body 1 , and the support frame 7 is used to support the cable body 1 . The support frame 7 is made of carbon fiber.

[0032] In this embodiment, the support frame 7 is used to support the cable body 1 .

[0033] In a further preferred embodiment of the present invention, a flame retardant strip 8 and a flame retardant layer 9 are provided in the cable body 1, the flame retardant strip 8 is magnesium oxide powder, the flame retardant layer 9 is polyvinyl chloride, and a filler 10 is provided in the cable body 1, and the filler 10 is talcum powder.

[0034] In this embodiment, the flame retardant strip 8 is made of magnesium oxide powder, which has a high melting point, high stability and good insulation properties, and can maintain the structural integrity and electrical properties of the cable body 1 at high temperatures. The flame retardant layer 9 is made of polyvinyl chloride, which has good flame retardant properties and mechanical properties, thereby improving the flame retardant properties of the cable body 1. The filler 10 is made of talcum powder, which has waterproof and moisture-proof properties, and can prevent moisture from entering the interior of the cable body 1, thereby ensuring the reliability of communication.

[0035] In summary, compared with related technologies, the cable body 1 can be used for photovoltaic power generation, and has strong overall corrosion resistance, reducing the damage of the cable body 1 due to corrosion, thereby improving the overall conductivity and service life of the cable body 1.

[0036] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A photovoltaic power generation cable, characterized in that: include: A cable body, the cable body comprising a plurality of conductors, the conductors being copper; An insulating layer provided on the outer surface of the conductor, wherein the insulating layer is cross-linked polyethylene; A shielding layer assembled outside the insulating layer, wherein the shielding layer is a copper foil; An anti-corrosion mechanism is provided outside the shielding layer, and is used to protect the cable body from corrosion; A pressure-resistant mechanism is provided on the cable body, and is used to resist pressure on the cable body.

2. The photovoltaic power generation cable according to claim 1, wherein: The anti-corrosion mechanism includes an inner protective layer, an outer protective layer, a reinforcement layer and an anti-corrosion coating. The inner protective layer is arranged on the outside of the shielding layer, the outer protective layer is arranged on the outside of the inner protective layer, the reinforcement layer is arranged on the inside of the outer protective layer, and the anti-corrosion coating is arranged on the outside of the outer protective layer.

3. The photovoltaic power generation cable according to claim 2, wherein: The inner protective layer is composed of chloroprene rubber, the outer protective layer is composed of EPDM rubber, the reinforcement layer is composed of polyvinyl chloride, and the anti-corrosion coating is composed of epoxy resin.

4. The photovoltaic power generation cable according to claim 1, wherein: The pressure-resistant structure includes a reinforcement layer and a buffer layer. The reinforcement layer is arranged outside the shielding layer, and the buffer layer is assembled outside the reinforcement layer.

5. The photovoltaic power generation cable according to claim 4, wherein: The reinforcing layer is composed of fiber bundles, and the buffer layer is composed of polyethylene.

6. The photovoltaic power generation cable according to claim 1, wherein: A support frame is provided inside the cable body, and the support frame is used to support the cable body. The support frame is made of carbon fiber material.

7. The photovoltaic power generation cable according to claim 1, wherein: A flame retardant strip and a flame retardant layer are arranged in the cable body, the flame retardant strip is magnesium oxide powder, the flame retardant layer is polyvinyl chloride, and a filler is arranged in the cable body, the filler is talcum powder.