CN211788278U

CN211788278U - Irradiation crosslinking polyolefin insulation and sheath power flexible cable for photovoltaic system

Info

Publication number: CN211788278U
Application number: CN202020522392.9U
Authority: CN
Inventors: 王海岭; 程龙云; 罗为平; 何夕松; 王飞
Original assignee: Anhui Longan Cable Group Co ltd
Current assignee: Anhui Longan Cable Group Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-10-27
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses an irradiation crosslinking polyolefin insulation and sheath power flexible cable for photovoltaic system, including soft stick, the cooperation of the surface of soft stick is connected with the electric conductor, and the surface of electric conductor and the surface of soft stick are provided with the filling layer, and one side that the electric conductor was kept away from to the filling layer is provided with flexible tensile layer, and one side that the filling layer was kept away from to flexible tensile layer is provided with fire-retardant layer, and one side that flexible tensile layer was kept away from to fire-retardant layer is provided with the waterproof layer, and one side that fire-retardant layer was kept away from to the waterproof layer is provided with the sheath, and one side that the waterproof layer was kept away from to the sheath is provided with circular stirrup. This photovoltaic system is with insulating and sheath power flexible cable of irradiation cross-linking polyolefin has reached the anti extruded effect of tensile, and is rational in infrastructure simple, convenient to use, and the safeguard measure is various, and the anti extrusion of tensile is effectual, and is not fragile, has prolonged life, has improved performance.

Description

Irradiation crosslinking polyolefin insulation and sheath power flexible cable for photovoltaic system

Technical Field

The utility model relates to the technical field of cables, specifically be an irradiation crosslinked polyolefin insulation and sheath power flexible cable for photovoltaic system.

Background

With the increase of world energy demand, photovoltaic power generation is more and more emphasized, and a photovoltaic system is a system for converting solar energy into electric energy by using a solar cell module and other auxiliary equipment. Generally, the solar photovoltaic power generation system is divided into an independent system, a grid-connected system and a hybrid system, the development of the world solar photovoltaic power generation industry is rapid, the market application scale is continuously enlarged, the role in the development of subsequent energy is more and more important, the development and utilization of the solar photovoltaic technology are also one of the important measures for realizing resource-saving social energy conservation and emission reduction, sustainable development, improvement of living environment and the like in China, and cables are important components for energy transmission in the photovoltaic power generation system. At present, the conventional power flexible cable for the photovoltaic system in the market has the advantages of single protection measure, poor flexibility, extrusion resistance, easiness in being influenced by external pressure and even damaged, poor tensile effect, easiness in breaking when the cable is erected for a long distance, influence on service life and reduction in service performance.

SUMMERY OF THE UTILITY MODEL

(problem to be solved)

The utility model provides a not enough to prior art, the utility model provides an irradiation cross-linking polyolefin is insulating and sheath power flexible cable for photovoltaic system has solved that the safeguard measure is single, and is flexible poor, and is intolerant to the extrusion, receives external pressure's influence easily, damages even, and the tensile effect is poor moreover, and easy fracture when especially long distance erects the cable influences life, has reduced the problem of performance.

(II means for solving the problems

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an irradiation crosslinking polyolefin insulation and sheath power flexible cable for photovoltaic system, includes the soft stick, the surface cooperation of soft stick is connected with the electric conductor, the surface of electric conductor and the surface of soft stick are provided with the filling layer, one side that the electric conductor was kept away from to the filling layer is provided with flexible tensile layer, one side that the filling layer was kept away from to flexible tensile layer is provided with fire-retardant layer, one side that flexible tensile layer was kept away from to fire-retardant layer is provided with the waterproof layer, one side that fire-retardant layer was kept away from to the waterproof layer is provided with the sheath, one side that the waterproof layer was kept away from.

Preferably, the conductor comprises a conductive wire core and an insulating layer, the insulating layer is located on the surface of the conductive wire core, and the insulating layer is made of cross-linked polyolefin.

Preferably, the flexible tensile layer comprises a silica gel layer and thin steel wires, the thin steel wires are arranged on the inner wall of the silica gel layer, and the thin steel wires are uniformly distributed on the inner wall of the silica gel layer.

Preferably, the surface of the soft rod is provided with an arc groove matched with the electric conductor.

Preferably, the material of the filling layer is a fiber material, and the material of the waterproof layer is a cross-linked polyethylene material.

Preferably, the circular stirrups are uniformly distributed on the surface of the sheath.

(three advantageous effects)

The utility model provides an irradiation cross-linked polyolefin insulation and sheath power flexible cable for photovoltaic system. The method has the following beneficial effects:

(1) this photovoltaic system is with insulating and sheath power flexible cable of irradiation cross-linking polyolefin, surface cooperation through soft stick is connected with the electric conductor, the surface of electric conductor and the surface of soft stick are provided with the filling layer, one side that the electric conductor was kept away from to the filling layer is provided with flexible tensile layer, one side that the filling layer was kept away from to flexible tensile layer is provided with fire-retardant layer, one side that flexible tensile layer was kept away from to fire-retardant layer is provided with the waterproof layer, one side that fire-retardant layer was kept away from to the waterproof layer is provided with the sheath, one side that the waterproof layer was kept away from to the sheath is provided with circular stirrup, the effect of tensile anti-extrusion has been reached, and reasonable and simple structure, high durability and convenient use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a soft rod structure;

fig. 3 is a schematic structural diagram of the sheath and the round stirrup.

In the figure: the flexible cable comprises 1 soft rod, 2 electric conductors, 201 conductive wire cores, 202 insulating layers, 3 filling layers, 4 flexible tensile layers, 401 silica gel layers, 402 thin steel wires, 5 flame-retardant layers, 6 waterproof layers, 7 sheaths and 8 circular stirrups.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an irradiation cross-linked polyolefin insulation and sheath power flexible cable for a photovoltaic system comprises a flexible rod 1, the flexible rod 1 is good in flexibility and capable of avoiding mutual extrusion between electric conductors 2, the electric conductors 2 are connected to the surface of the flexible rod 1 in a matched mode, arc grooves matched with the electric conductors 2 are formed in the surface of the flexible rod 1, the electric conductors 2 comprise conductive wire cores 201 and insulating layers 202, the insulating layers 202 are located on the surfaces of the conductive wire cores 201, the insulating layers 202 are made of cross-linked polyolefin materials, the insulating effect is good, filling layers 3 are arranged on the surfaces of the electric conductors 2 and the flexible rod 1, the filling layers 3 are made of fiber materials, a flexible tensile layer 4 is arranged on one side, away from the electric conductors 2, of each filling layer 3, each flexible tensile layer 4 comprises a silica gel layer 401 and a thin steel wire 402, the thin steel wire 402 can improve the tensile strength of the thin steel wire 402 and, thin steel wire 402 evenly distributed is at silica gel layer 401's inner wall, one side that filling layer 3 was kept away from to flexible tensile layer 4 is provided with fire-retardant layer 5, fire-retardant layer 5 has fire-retardant function, one side that flexible tensile layer 4 was kept away from to fire-retardant layer 5 is provided with waterproof layer 6, waterproof layer 6's material sets up to the crosslinked polyethylene material, waterproof function has, and water-proof effects is good, one side that fire-retardant layer 5 was kept away from to waterproof layer 6 is provided with sheath 7, sheath 7 has the function of protection, the material of sheath 7 sets up to the rubber material, one side that waterproof layer 6 was kept away from to sheath 7 is provided with circular stirrup 8, the intensity of circular stirrup 8 multiplicable self, the tensile strength is improved, circular stirrup 8 evenly.

When in use, firstly, in the process of transportation or use, the soft rod 1 can separate the electric conductor 2, the flexibility of the soft rod 1 is good, meanwhile, the surface of the electric conductor 2 is provided with the filling layer 3, the extrusion between the electric conductors 2 can be effectively avoided, the extrusion damage is avoided, because the insulating layer 202 is positioned on the surface of the electric conductor core 201, and the insulating layer 202 is made of cross-linked polyolefin, the insulating effect is good, and the safety performance is improved, because the thin steel wire 402 can improve the tensile strength of the thin steel wire 402 in the process of erection and use, the thin steel wire is prevented from being broken, even if the thin steel wire is erected in a long distance, the thin steel wire is not influenced, meanwhile, the circular stirrups 8 can improve the strength of the thin steel wire, and the circular stirrups 8 are uniformly distributed on the surface of the sheath 7, so that the tensile strength is improved, the, the sheath 7 has the function of protection, and the protective measure is various from this, and the tensile anti-extrusion is effectual, and is not fragile, has prolonged life, has improved performance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides an insulating and sheath power flexible cable of irradiation crosslinked polyolefin for photovoltaic system, includes soft stick (1), its characterized in that: the surface cooperation of soft stick (1) is connected with electric conductor (2), the surface of electric conductor (2) and the surface of soft stick (1) are provided with filling layer (3), one side that electric conductor (2) were kept away from in filling layer (3) is provided with flexible tensile layer (4), one side that filling layer (3) were kept away from in flexible tensile layer (4) is provided with fire-retardant layer (5), one side that flexible tensile layer (4) were kept away from in fire-retardant layer (5) is provided with waterproof layer (6), one side that fire-retardant layer (5) were kept away from in waterproof layer (6) is provided with sheath (7), one side that waterproof layer (6) were kept away from in sheath (7) is provided with circular stirrup (8).

2. The radiation crosslinked polyolefin insulation and sheath power flexible cable for the photovoltaic system according to claim 1, characterized in that: the conductor (2) comprises a conductive wire core (201) and an insulating layer (202), wherein the insulating layer (202) is located on the surface of the conductive wire core (201), and the insulating layer (202) is made of cross-linked polyolefin.

3. The radiation crosslinked polyolefin insulation and sheath power flexible cable for the photovoltaic system according to claim 1, characterized in that: the flexible tensile layer (4) comprises a silica gel layer (401) and thin steel wires (402), the thin steel wires (402) are arranged on the inner wall of the silica gel layer (401), and the thin steel wires (402) are uniformly distributed on the inner wall of the silica gel layer (401).

4. The radiation crosslinked polyolefin insulation and sheath power flexible cable for the photovoltaic system according to claim 1, characterized in that: the surface of the soft rod (1) is provided with an arc groove matched with the conductor (2).

5. The radiation crosslinked polyolefin insulation and sheath power flexible cable for the photovoltaic system according to claim 1, characterized in that: the material of the filling layer (3) is fiber material, and the material of the waterproof layer (6) is cross-linked polyethylene material.

6. The radiation crosslinked polyolefin insulation and sheath power flexible cable for the photovoltaic system according to claim 1, characterized in that: the circular stirrups (8) are uniformly distributed on the surface of the sheath (7).