Anti-ultraviolet photovoltaic outdoor cable with high weather resistance

Abstract

The utility model discloses an ultraviolet-resistant photovoltaic outdoor cable with strong weather resistance, which comprises a cable main body, the outer surface of the cable main body is wrapped with a protective shell, and the cable main body comprises an ultraviolet-resistant layer protective sleeve, a weather-resistant protective sleeve, a multifunctional protective layer and a cable core. The anti-ultraviolet layer protection sleeve comprises an ultraviolet light absorber material layer and a glass fiber protection layer, the weather-proof protection sleeve comprises a polyvinyl chloride sheath, a chloroprene rubber sheath and a steel tape armoring sheath, and the multifunctional protection layer comprises a composite rubber insulation wrapping layer, a metal aluminum foil shielding layer and a fluoroplastic wrapping layer. According to the utility model, the external part of the outdoor cable is subjected to multi-layer safety protection design, so that the cable core structure in the cable can be further protected from being influenced by external environments, such as ultraviolet rays, rainwater, sand dust, chemical substances and the like, the weather resistance and the protection grade of the cable are improved, and the service life of the cable is prolonged. And meanwhile, the whole cable has excellent high and low temperature resistance and chemical corrosion resistance, and can be suitable for an extreme environment.

Description

Technical Field

[0001] This utility model relates to the field of outdoor cable technology, specifically to a weather-resistant, ultraviolet-resistant photovoltaic outdoor cable. Background Technology

[0002] During cable installation, cables are often laid outdoors, requiring them to withstand prolonged exposure to sunlight, harsh high temperatures, and wind and rain. Intense ultraviolet radiation and high temperatures severely impact cable lifespan, accelerate aging, and reduce safety performance.

[0003] Chinese patent document CN203644442U discloses a high-temperature and ultraviolet-resistant cable, which comprises, from the inside out, an insulated core, a filling layer, a wrapping tape, an inner sheath, armor, and an ultraviolet-resistant outer sheath. The ultraviolet-resistant outer sheath is made of 90℃ thermoplastic halogen-free, low-smoke flame-retardant polyolefin sheath material. This invention utilizes advanced irradiation crosslinking technology and employs low-smoke, halogen-free flame-retardant materials, exhibiting advantages such as high temperature resistance, ozone resistance, ultraviolet radiation resistance, water vapor resistance, microbial resistance, strong short-term overload capacity, long lifespan, wear resistance, oil resistance, corrosion resistance, and high tensile strength. It can be widely used in various fields such as solar power plants and photovoltaic systems.

[0004] The cables in the existing technology mentioned above cannot adapt to harsh weather conditions and are prone to corrosion and damage. Therefore, it is necessary to develop a weather-resistant, ultraviolet-resistant outdoor photovoltaic cable. Utility Model Content

[0005] The purpose of this utility model is to provide a weather-resistant, ultraviolet-resistant photovoltaic outdoor cable to solve the problem mentioned in the background art that the existing cables cannot adapt to harsh weather environments and are prone to corrosion and damage.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a weather-resistant, ultraviolet-resistant photovoltaic outdoor cable, comprising a cable body, the outer surface of which is wrapped with a protective shell, the cable body comprising an ultraviolet-resistant protective sleeve, a weather-resistant protective sleeve, a multi-functional protective layer and a cable core, the ultraviolet-resistant protective sleeve comprising an ultraviolet absorber layer and a glass fiber protective layer, the weather-resistant protective sleeve comprising a polyvinyl chloride sheath, a neoprene rubber sheath and a steel tape armor sheath, and the multi-functional protective layer comprising a composite rubber insulation layer, a metal aluminum foil shielding layer and a fluoroplastic sheath.

[0007] Preferably, the ultraviolet absorber layer covers the outer surface of the glass fiber protective layer.

[0008] Preferably, the polyvinyl chloride sheath is wrapped around the outer surface of the neoprene sheath.

[0009] Preferably, the neoprene sheath is wrapped around the outer surface of the steel belt armor sheath.

[0010] Preferably, the composite rubber insulating layer is disposed on the outer surface of the metal aluminum foil shielding layer.

[0011] Preferably, the fluoroplastic coating is disposed on the inner surface of the aluminum foil shielding layer.

[0012] Preferably, the cable core has seven strands, and the outer surface of the cable core is covered with a cable core protective sheath.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model, through a multi-layered safety protection design on the exterior of the outdoor cable, can further protect the internal cable core structure from the influence of the external environment, such as ultraviolet rays, rain, dust, and chemicals, thereby improving the cable's weather resistance and protection level. At the same time, the entire cable has excellent high and low temperature resistance and chemical corrosion resistance, making it suitable for extreme environments. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the cable body of this utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the UV-resistant protective sleeve of this utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the weather-resistant protective sleeve of this utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the multifunctional protective layer of this utility model.

[0020] In the diagram: 1. Protective shell; 2. Cable body; 3. UV-resistant protective sleeve; 4. Weather-resistant protective sleeve; 5. Multifunctional protective layer; 6. Cable core protective sheath; 7. Cable core; 8. UV absorber layer; 9. Fiberglass protective layer; 10. Polyvinyl chloride sheath; 11. Neoprene rubber sheath; 12. Steel tape armor sheath; 13. Composite rubber insulation layer; 14. Metal aluminum foil shielding layer; 15. Fluoroplastic sheath. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-5 One embodiment of this utility model provides a weather-resistant, ultraviolet-resistant photovoltaic outdoor cable, comprising a cable body 2, with a protective shell 1 covering the outer surface of the cable body 2. The cable body 2 includes an ultraviolet-resistant protective sleeve 3, a weather-resistant protective sleeve 4, a multi-functional protective layer 5, and a cable core 7. The ultraviolet-resistant protective sleeve 3 includes an ultraviolet absorber layer 8 and a glass fiber protective layer 9. The weather-resistant protective sleeve 4 includes a polyvinyl chloride sheath 10, a neoprene rubber sheath 11, and a steel tape armor sheath 12. The multi-functional protective layer 5 includes a composite rubber insulation layer 13, a metal aluminum foil shielding layer 14, and a fluoroplastic sheath 15.

[0023] Furthermore, the ultraviolet absorber layer 8 wraps around the outer surface of the glass fiber protective layer 9. By setting the ultraviolet absorber layer 8, ultraviolet rays can be absorbed and converted into heat energy or other harmless forms of energy, thereby reducing the irradiation of ultraviolet rays on the cable material inside the protective sleeve. The glass fiber protective layer 9 has the characteristics of high strength and high modulus, which can improve the mechanical properties of the protective sleeve, making it more robust and durable, and enhancing the tensile and tear resistance of the protective sleeve.

[0024] Furthermore, a polyvinyl chloride (PVC) sheath 10 is wrapped around the outer surface of a neoprene rubber sheath 11, which in turn wraps around the outer surface of a steel tape armor sheath 12. A composite rubber insulation layer 13 is placed on the outer surface of the aluminum foil shielding layer 14, and a fluoroplastic sheath 15 is placed on the inner surface of the aluminum foil shielding layer 14. The cable's outer sheath materials include PVC, neoprene rubber, and fluoroplastics. The PVC sheath 10 is low-cost and has good chemical corrosion resistance; the neoprene rubber sheath 11 has good weather resistance, ozone resistance, and abrasion resistance; and the fluoroplastics... The sheath 15 has excellent high and low temperature resistance, chemical corrosion resistance, and weather resistance, making it suitable for extreme environments. The aluminum foil shielding layer 14 is composed of aluminum foil or metal braided mesh. The aluminum foil shielding layer 14 can effectively block electromagnetic interference and protect the stability of internal signal transmission in the cable. The steel tape armor sheath 12 can enhance the mechanical strength of the cable and protect the internal structure of the cable from external mechanical damage. When laid underground or used outdoors, the steel tape armor sheath 12 can effectively prevent the cable from being flattened, stretched, or punctured, improving the cable's weather resistance and service life.

[0025] Furthermore, the cable core 7 is provided with seven strands, and the outer surface of the cable core 7 is wrapped with a cable core protective sheath 6, which can further wrap and protect the cable core 7 from moisture.

[0026] Working Principle: During use, the outer surface of the cable body 2 is wrapped with a protective shell 1. The cable body 2 includes an anti-UV protective sleeve 3, a weather-resistant protective sleeve 4, a multi-functional protective layer 5, and a cable core 7. The anti-UV protective sleeve 3 includes an ultraviolet absorber layer 8 and a fiberglass protective layer 9. By setting the ultraviolet absorber layer 8, ultraviolet rays can be absorbed and converted into heat energy or other harmless forms of energy, thereby reducing the exposure of ultraviolet rays to the cable materials inside the protective sleeve. The fiberglass protective layer 9 has the characteristics of high strength and high modulus, which can improve the mechanical properties of the protective sleeve, making it more robust and durable, and enhancing the tensile and tear resistance of the protective sleeve. The weather-resistant protective sleeve 4 includes a polyvinyl chloride sheath 10, a neoprene rubber sheath 11, and a steel tape armor sheath 12. The cost of the polyvinyl chloride sheath 10 is... With low temperature and good chemical corrosion resistance, the neoprene rubber sheath 11 has good weather resistance, ozone resistance, and abrasion resistance. The steel tape armor sheath 12 can enhance the mechanical strength of the cable and protect the internal structure of the cable from external mechanical damage. When laid underground or used outdoors, the steel tape armor sheath 12 can effectively prevent the cable from being flattened, stretched, or punctured, improving the cable's weather resistance and service life. The multifunctional protective layer 5 includes a composite rubber insulation sheath 13, a metal aluminum foil shielding layer 14, and a fluoroplastic sheath 15. The metal aluminum foil shielding layer 14 is composed of aluminum foil or metal braided mesh. The metal aluminum foil shielding layer 14 can effectively block electromagnetic interference and protect the stability of signal transmission inside the cable. The fluoroplastic sheath 15 has excellent high and low temperature resistance, chemical corrosion resistance, and weather resistance, making it suitable for extreme environments.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment are all conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, and will not be described in detail here.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A weather-resistant, anti-UV photovoltaic outdoor cable comprising a cable body (2), characterized in that, The outer surface of the cable body (2) is covered with a protective shell (1). The cable body (2) includes an anti-ultraviolet protective sleeve (3), a weather-resistant protective sleeve (4), a multi-functional protective layer (5), and a cable core (7). The anti-ultraviolet protective sleeve (3) includes an ultraviolet absorber layer (8) and a glass fiber protective layer (9). The weather-resistant protective sleeve (4) includes a polyvinyl chloride sheath (10), a neoprene rubber sheath (11), and a steel tape armor sheath (12). The multi-functional protective layer (5) includes a composite rubber insulation sheath (13), a metal aluminum foil shielding layer (14), and a fluoroplastic sheath (15).

2. The weather resistant, ultraviolet resistant photovoltaic outdoor cable of claim 1, wherein: The ultraviolet absorber layer (8) is wrapped around the outer surface of the glass fiber protective layer (9).

3. The weather resistant, ultraviolet resistant photovoltaic outdoor cable of claim 1, wherein: The polyvinyl chloride sheath (10) is wrapped around the outer surface of the neoprene sheath (11).

4. The weather resistant, ultraviolet resistant photovoltaic outdoor cable of claim 1, wherein: The neoprene sheath (11) is wrapped around the outer surface of the steel belt armor sheath (12).

5. The weather resistant, ultraviolet resistant photovoltaic outdoor cable of claim 1, wherein: The composite rubber insulating layer (13) is disposed on the outer surface of the metal aluminum foil shielding layer (14).

6. The weather resistant, ultraviolet resistant photovoltaic outdoor cable of claim 1, wherein: The fluoroplastic coating (15) is disposed on the inner surface of the aluminum foil shielding layer (14).

7. The weather resistant, ultraviolet resistant photovoltaic outdoor cable of claim 1, wherein: The cable core (7) is provided with seven strands, and the outer surface of the cable core (7) is wrapped with a cable core protective sheath (6).

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