CN215600127U

CN215600127U - Anti-bending pressure-resistant photovoltaic cable

Info

Publication number: CN215600127U
Application number: CN202121682794.6U
Authority: CN
Inventors: 陈阳; 潘静; 常勇; 潘钰; 李庆平; 潘骁; 范娇娇; 吕俊军; 王宪生; 纪骏; 周健
Original assignee: Jiangsu Jinyou Electric Co ltd
Current assignee: Jiangsu Jinyou Electric Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-21
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses an anti-bending pressure-resistant photovoltaic cable which comprises a plurality of cable cores, wherein the cable cores are wound together, a plurality of holders are fixedly sleeved on the outer wall of the cable cores, a heat dissipation protective layer is sleeved on each holder, an anti-bending layer is sleeved on each heat dissipation protective layer, a pressure-resistant layer is sleeved on each anti-bending layer, a shell is sleeved on each pressure-resistant layer, a wear-resistant layer is sleeved on each shell, a steel rope is coaxially arranged on a central axis formed by the cable cores, and the steel ropes are fixedly connected to the holders. The photovoltaic cable connecting device is reasonable in structure, the spiral spring arranged in the reverse spiral mode is arranged, the photovoltaic cable rotates anticlockwise and clockwise, the spiral spring plays a role in reverse force, good bending and torsion resisting effects are achieved, multiple bending, torsion and extrusion can be resisted, good structural strength and connection strength are achieved, and the photovoltaic cable is prevented from being broken.

Description

Anti-bending pressure-resistant photovoltaic cable

Technical Field

The utility model relates to the technical field of photovoltaic cables, in particular to an anti-bending pressure-resistant photovoltaic cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, compensation cable, shielding cable, high-strength cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc. They are composed of single-strand or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like, and are respectively applied to different occasions.

Along with the continuous progress of society, also higher and higher to the requirement of cable, the current-carrying capacity of requirement cable is bigger and bigger, the electric conduction sinle silk cross-section of cable is constantly increased, the unit length weight of cable also increases thereupon, when the staff is carrying out cable laying work, scrape the oversheath very easily at laying in-process, easily by arbitrary bending and drawing in the use of cable, cause disconnected core easily, thereby leave the potential safety hazard, lead to the emergence accident, consequently, this application provides a withstand voltage photovoltaic cable of bending to satisfy the demand.

SUMMERY OF THE UTILITY MODEL

The utility model provides a withstand voltage photovoltaic cable of bending can resist bending, torsion, extrusion many times to there are better structural strength, joint strength, prevent that photovoltaic cable from breaking.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a withstand voltage photovoltaic cable of bending, includes a plurality of cable cores, a plurality of cable core twines together, and the fixed cover has connect a plurality of holders on the outer wall, has cup jointed the heat dissipation inoxidizing coating on the holder, has cup jointed the anti-bending layer on the heat dissipation inoxidizing coating, has cup jointed the resistance to pressure layer on the anti-bending layer, has cup jointed the shell on the resistance to pressure layer, has cup jointed the wearing layer on the shell, coaxially is provided with the steel cable on the center axis that a plurality of cable cores are constituteed, steel cable fixed connection is on the holder.

Preferably, the anti-bending layer includes a pair of slots with opposite spiral directions, which are opened on the side wall of the heat dissipation protective layer, and a pair of spiral springs with opposite spiral directions are clamped in the pair of slots.

Preferably, the pressure-resistant layer comprises a plurality of steel wires, the periphery of the plurality of steel wires is distributed on the outer side of the anti-bending layer, and the plurality of steel wires are fixedly connected with a plurality of connecting steel wires.

Preferably, the steel wire has a wave structure.

Preferably, the inner wall of the heat dissipation protective layer is provided with a clamping groove, the retainer is clamped in the clamping groove, and the periphery of the side wall of the heat dissipation protective layer is provided with a plurality of heat dissipation holes which are uniformly distributed.

In conclusion, the technical effects and advantages of the utility model are as follows: the photovoltaic cable can be twisted, bent and extruded in the laying process, a plurality of cable cores are wound together and fixed through a plurality of retainers, the relative positions of the cable cores are better limited, the positions of the cable cores are prevented from moving, and the normal use of the photovoltaic cable is influenced, the photovoltaic cable rotates anticlockwise and clockwise through the arrangement of a pair of spiral springs arranged in an anticlockwise spiral mode, the spiral springs play roles of reverse force and restoring force during bending, so that better bending and torsion resisting functions are achieved, the steel wires in a wave structure have higher structural strength and better compressive resistance, the connecting steel wires play a role in supporting and connecting the steel wires, the relative positions of the steel wires are kept stable, and the steel wires provide partial tension when the photovoltaic cable is pulled through the arrangement of the steel wires, the cable core is prevented from being broken, and through the arrangement of the heat dissipation protective layer and the heat dissipation holes, heat generated in the operation process of the cable core is better dissipated, and the service life of the cable core is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a first internal perspective structure of the present invention;

fig. 4 is a schematic diagram of a second internal perspective structure according to the present invention.

In the figure: 1. a cable core; 2. a holder; 3. a heat dissipation protective layer; 4. an anti-buckling layer; 5. a pressure-resistant layer; 6. a housing; 7. a wear layer; 8. a steel cord; 9. connecting steel wires; 10. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an anti-bending pressure-resistant photovoltaic cable comprises a plurality of cable cores 1, wherein the cable cores 1 are wound together, a plurality of holders 2 are fixedly sleeved on the outer wall of the cable cores 1, the relative positions of the cable cores 1 are better limited by the holders 2, the photovoltaic cable is prevented from moving in the laying process to affect the normal use of the photovoltaic cable, a heat dissipation protective layer 3 is sleeved on the holders 2, the heat dissipation protective layer 3 is arranged to better dissipate heat generated in the operation process of the cable cores 1, the service life of the cable cores 1 is prolonged, an anti-bending layer 4 is sleeved on the heat dissipation protective layer 3, the photovoltaic cable is prevented from being broken due to multiple bending in the laying process by the anti-bending layer 4, and the cable cores 1 are protected, have cup jointed resistance to compression layer 5 on the anti-bending layer 4, through setting up resistance to compression layer 5, resist external pressure, avoid cable core 1 to receive pressure and damage, the shell 6 has been cup jointed on resistance to compression layer 5, the wearing layer 7 has been cup jointed on the shell 6, the coaxial steel cable 8 that is provided with on the center axis that a plurality of cable cores 1 are constituteed, through setting up steel cable 8, when pulling photovoltaic cable, steel cable 8 provides partial pulling force, avoid cable core 1 to be broken, 8 fixed connections of steel cable are on holder 2.

Anti-bending layer 4 is including seting up the draw-in groove that a pair of anti-spiral on the 3 lateral walls of heat dissipation inoxidizing coating revolves to, the spiral spring of a pair of anti-spiral setting of all joint in a pair of draw-in groove, and through the spiral spring that sets up a pair of anti-spiral setting, the photovoltaic cable is at anticlockwise rotation and clockwise rotation, and spiral spring all plays the effect of reverse force to when bending, play the restoring force, thereby play better anti-bending, anti-torsion effect.

The resistance to pressure layer 5 includes a plurality of steel wires, and a plurality of steel wire circles distribute in the outside on bending resistant layer 4, a plurality of connecting wire 9 of fixedly connected with on a plurality of steel wires, and the steel wire is wave structure, and the benefit that sets up like this is that wave structure's steel wire has higher structural strength, provides better compressive resistance, through setting up connecting wire 9, plays the support connection effect to a plurality of steel wires, makes the relative position of a plurality of steel wires remain stable.

The inner wall of heat dissipation inoxidizing coating 3 has seted up the joint groove, and holder 2 joint is in the joint inslot, and a plurality of evenly distributed's louvre 10 has been seted up to the lateral wall periphery of heat dissipation inoxidizing coating 3, and the heat is discharged from louvre 10, more does benefit to the heat dissipation.

This practical theory of operation:

the photovoltaic cable can be twisted, bent and extruded in the laying process, the cable cores 1 are wound together and fixed through the retainers 2, the relative positions of the cable cores 1 are better limited, the positions of the cable cores 1 are prevented from moving, and the normal use of the photovoltaic cable is influenced, the photovoltaic cable rotates anticlockwise and clockwise by arranging a pair of spiral springs which are arranged in a reverse spiral mode, the spiral springs play the role of reverse force and play the role of restoring force during bending, so that the bending and torsion resisting functions are better achieved, the steel wires in a wave structure have higher structural strength and better compressive resistance by arranging the steel wires, the connecting steel wire 9 plays the role of supporting and connecting the steel wires, the relative positions of the steel wires are kept stable, and by arranging the steel wire rope 8, when the photovoltaic cable is pulled, the steel rope 8 provides partial tension, so that the cable core 1 is prevented from being broken, and through the arrangement of the heat dissipation protective layer 3 and the heat dissipation holes 10, heat generated in the operation process of the cable core 1 is better dissipated, and the service life of the cable core 1 is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a withstand voltage photovoltaic cable of bending, includes a plurality of cable cores (1), its characterized in that: it is a plurality of cable core (1) winding is in the same place, and fixed cover on the outer wall has connect a plurality of holders (2), heat dissipation inoxidizing coating (3) have been cup jointed on holder (2), anti-bending layer (4) have been cup jointed on heat dissipation inoxidizing coating (3), anti-bending layer (4) are gone up and have been cup jointed resistance to pressure layer (5), shell (6) have been cup jointed on resistance to pressure layer (5), wear layer (7) have been cup jointed on shell (6), and are a plurality of coaxial steel cable (8) that are provided with on the center pin line that cable core (1) is constituteed, steel cable (8) fixed connection be in on holder (2).

2. The bending-resistant and pressure-resistant photovoltaic cable according to claim 1, wherein: the anti-bending layer (4) comprises a pair of reverse spiral clamping grooves formed in the side wall of the heat dissipation protective layer (3), and a pair of spiral springs arranged in a pair of reverse spiral grooves are clamped in the clamping grooves.

3. The bending-resistant and pressure-resistant photovoltaic cable according to claim 1, wherein: the pressure-resistant layer (5) comprises a plurality of steel wires, the periphery of the plurality of steel wires is distributed on the outer side of the anti-bending layer (4), and the plurality of steel wires are fixedly connected with a plurality of connecting steel wires (9).

4. The bending-resistant and pressure-resistant photovoltaic cable according to claim 3, wherein: the steel wire is in a wave structure.

5. The bending-resistant and pressure-resistant photovoltaic cable according to claim 1, wherein: the inner wall of the heat dissipation protective layer (3) is provided with a clamping groove, the retainer (2) is clamped in the clamping groove, and the periphery of the side wall of the heat dissipation protective layer (3) is provided with a plurality of heat dissipation holes (10) which are uniformly distributed.