High-strength distributed photovoltaic cable

Abstract

The utility model relates to a high intensity distributed photovoltaic cable, including outer cladding, shielding layer, inner cell, the shielding layer wraps outside the inner cell, the outer cladding wraps outside the shielding layer, the outer side of the outer cladding is provided with wear-resistant lines, the inner part of the outer cladding is provided with a metal braided reinforcing net, and the inner part of the outer cladding is provided with a metal braided reinforcing net. The shielding layer is composed of an aluminum foil shielding layer and a galvanized copper wire braided shielding layer, and the inner battery core is composed of a bundled copper wire conductor, an insulating wrapper and a toughness braided reinforcing net. The arrangement of the photovoltaic cable is optimized, the outer wrapping layer effectively prolongs the service life of the cable in an outdoor severe environment, long-term stability and reliability of the electrical insulation performance of the cable are ensured, and the shielding layer with a double-layer shielding structure can effectively shield electromagnetic interference and provide additional mechanical strength protection for the cable, so that the service life of the cable is prolonged, and the service life of the cable is prolonged. In addition, reinforcing nets are additionally arranged on the outer cladding layer and the insulating layer, so that the use effect is improved, the adaptability is higher, and the cable is suitable for being popularized and used.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic system field especially relates to a high strength distributed photovoltaic cable. BACKGROUND

[0002] With the wide application of distributed photovoltaic power generation, the performance requirements of photovoltaic cables are also increasing. Distributed photovoltaic systems are usually installed in outdoor environments and face various complex weather conditions and mechanical stress challenges. Traditional photovoltaic cables are easily aged and cracked under long-term exposure to sunlight, rain, temperature changes and other natural environmental factors, resulting in a decline in the electrical performance of the cable and potential safety hazards. Moreover, during installation and routine maintenance, the cable may be subjected to mechanical external forces such as pulling, bending, and extrusion. The structural strength of ordinary cables is limited, and problems such as insulation layer damage and conductor deformation may occur, affecting the service life of the cable and the reliability of the system. In addition, the wiring of cables in distributed photovoltaic systems is often complex and needs to pass through different terrains and obstacles, which puts high requirements on the flexibility and wear resistance of the cable. Therefore, a high-strength distributed photovoltaic cable is designed. SUMMARY

[0003] The purpose of the utility model is to provide a high-strength distributed photovoltaic cable to solve the above technical problems. To achieve the above purpose, the utility model adopts the following technical solutions:

[0004] A high-strength distributed photovoltaic cable, comprising an outer cladding layer, a shielding layer, and an inner core. The shielding layer is wrapped around the outside of the inner core, and the outer cladding layer is wrapped around the outside of the shielding layer. The outside of the outer cladding layer is provided with wear-resistant patterns. The inner part of the outer cladding layer is provided with a metal woven reinforcing mesh. The shielding layer is composed of an aluminum foil shielding layer and a galvanized copper wire woven shielding layer. The galvanized copper wire woven shielding layer is arranged on the outside of the aluminum foil shielding layer. The inner core is composed of a bundled copper wire conductor, an insulating sheath, and a flexible woven reinforcing mesh. The flexible woven reinforcing mesh is arranged inside the insulating sheath. The insulating sheath is wrapped around the outside of the bundled copper wire conductor. The shielding layer is wrapped around the outside of the insulating sheath.

[0005] On the basis of the above technical solutions, the outer cladding layer is made of polyurethane and polyvinyl chloride polymer material. The metal woven reinforcing mesh is woven from a metal material with good ductility. The insulating sheath is made of irradiation cross-linked polyethylene material. The flexible woven reinforcing mesh is made of nylon material. The gaps between the insulating sheath, the aluminum foil shielding layer, the galvanized copper wire woven shielding layer, and the outer cladding layer are filled with talcum powder mixed filling material.

[0006] Compared with the prior art, the photovoltaic cable has the advantages that the photovoltaic cable is optimized, the service life of the cable in an outdoor harsh environment is effectively prolonged by the outer layer, the electrical insulation performance of the cable is ensured to be stable and reliable for a long time, the shielding layer of the double-layer shielding structure can effectively shield electromagnetic interference and provide additional mechanical strength protection for the cable, the anti-skid texture of the outer layer can increase the anti-skid effect, the outer layer and the insulation layer are provided with the reinforcing net, the use effect is improved, the adaptability is stronger, and the photovoltaic cable is suitable for promotion and use. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is the overall appearance state diagram of the utility model.

[0008] Figure 2 It is the section view schematic diagram of the utility model.

[0009] In the drawing: outer layer 1, shielding layer 2, inner core 3, wear-resistant texture 4, metal woven reinforcing net 5, bundled copper wire conductor 6, insulating sheath 7, toughness woven reinforcing net 8, gap 9, aluminum foil shielding layer 10, galvanized copper wire woven shielding layer 11. DETAILED DESCRIPTION

[0010] The utility model will be further explained in detail in combination with the drawings and specific implementation.

[0011] A kind of high-strength distributed photovoltaic cable, including outer layer 1, shielding layer 2, inner core 3, the shielding layer 2 is covered in the outer side of inner core 3, the outer layer 1 is covered in the outer side of shielding layer 2, the outer side of the outer layer 1 is provided with wear-resistant texture 4, the outer layer 1 is internally provided with metal woven reinforcing net 5, the shielding layer 2 is composed of aluminum foil shielding layer 10, galvanized copper wire woven shielding layer 11, the galvanized copper wire woven shielding layer 11 is set in the outer side of aluminum foil shielding layer 10, the inner core 3 is composed of bundled copper wire conductor 6, insulating sheath 7, toughness woven reinforcing net 8, the toughness woven reinforcing net 8 is set in insulating sheath 7, the insulating sheath 7 is covered in the outer side of bundled copper wire conductor 6, the shielding layer 2 is covered in the outer side of insulating sheath 7.

[0012] The outer layer 1 is made of polyurethane and polyvinyl chloride polymer material, the metal woven reinforcing net 5 is woven from a metal material with good ductility, the insulating sheath 7 is made of irradiation crosslinked polyethylene material, the toughness woven reinforcing net 8 is made of nylon material, and the gap 9 between the insulating sheath 7, the aluminum foil shielding layer 10, the galvanized copper wire woven shielding layer 11 and the outer layer 1 is filled with talcum powder mixed filling material.

[0013] The utility model working principle: it needs to be compounded to outer layer 1 in the process of cable production with metal woven reinforcing net 5, and it needs to be compounded to insulating sheath 7 with toughness woven reinforcing net 8.

[0014] In the process of installation, according to the design requirements and the actual situation, the high-strength distributed photovoltaic cable of the utility model is wired, due to the good flexibility of the cable, various obstacles can be conveniently laid around, such as the corners of buildings, supports, etc. When the cable passes through the pipeline or the wire slot, attention should be paid to avoid excessive bending and extrusion to prevent damage to the cable structure.

[0015] When the cable is connected, the conductor connection is firm, the contact is good, and the insulation treatment is good, and in the operation process of the distributed photovoltaic system, the cable bears the current transmission, temperature change, mechanical stress and other actions.

[0016] The above is the preferred embodiment of the utility model, and for ordinary skilled persons in the art, according to the teaching of the utility model, the change, modification, replacement and modification of the embodiment without departing from the principle and spirit of the utility model still fall within the protection scope of the utility model.

Claims

1. A high strength distributed photovoltaic cable characterized by, It includes outer cladding (1), shielding layer (2), inner electric core (3), shielding layer (2) is covered in the outside of inner electric core (3), the outer cladding (1) is covered in the outside of shielding layer (2), the outside of outer cladding (1) is provided with wear-resistant pattern (4), the inside of outer cladding (1) is provided with metal woven reinforcing net (5), shielding layer (2) is composed of aluminum foil shielding layer (10), galvanized copper wire woven shielding layer (11), galvanized copper wire woven shielding layer (11) is set in the outside of aluminum foil shielding layer (10), inner electric core (3) is composed of cluster copper wire conductor (6), insulating sheath (7), ductility woven reinforcing net (8), ductility woven reinforcing net (8) is set in insulating sheath (7), insulating sheath (7) is covered in the outside of cluster copper wire conductor (6), shielding layer (2) is covered in the outside of insulating sheath (7).

2. A high strength distributed photovoltaic cable according to claim 1, characterized in that, The metal woven reinforcing net (5) is woven by good ductility metal material, the insulating sheath (7) is made of irradiation crosslinking polyethylene material, the ductility woven reinforcing net (8) is made of nylon material, the gap (9) between the insulating sheath (7), aluminum foil shielding layer (10), galvanized copper wire woven shielding layer (11), outer cladding (1) is filled with talcum powder mixed filling material.

Images