CN216311405U

CN216311405U - Durable photovoltaic cable

Info

Publication number: CN216311405U
Application number: CN202122795938.5U
Authority: CN
Inventors: 王浩平; 李红侠
Original assignee: Qinhuangdao Saikangguangdian Electrical Co ltd
Current assignee: Qinhuangdao Saikangguangdian Electrical Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-15
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of photovoltaic cables, and discloses a durable photovoltaic cable, which solves the problem that when the cable is subjected to external pressure, the cable is easy to extrude and damage a cable core of an internal cable due to poor impact resistance of the cable, and comprises an annular sleeve, wherein a cross interlayer is fixedly connected inside the annular sleeve, an inner cavity is formed between the annular sleeve and the cross interlayer, an arc-shaped buffer member is arranged inside the inner cavity, the cable core is arranged inside the arc-shaped buffer member, a reinforcing layer is arranged outside the arc-shaped buffer member, when the cable is impacted, the inner part can form extrusion force on the cable core, the arc-shaped buffer member slides towards the inner part of the inner cavity under the action of the extrusion force and then moves towards the inner corner of the cross interlayer, the arc-shaped buffer member can buffer the extrusion force in the moving process so as to protect the cable core inside the arc-shaped buffer member, so as to prevent the cable core from being damaged due to extrusion.

Description

Durable photovoltaic cable

Technical Field

The utility model belongs to the technical field of photovoltaic cables, and particularly relates to a durable photovoltaic cable.

Background

With the rapid development of socio-economy, every place and even every corner now need to use electricity, and in the process of using electricity, the application of a cable is indispensable, and like an overhead line, the power cable is mainly used for transmitting and distributing electric energy, and in addition, it can also be used as a large connecting line between various electric devices,

there is also an increasing demand for cables, for which cables for various purposes appear on the market.

The existing photovoltaic cable is single in structure function, low in structural strength and poor in impact resistance, and when the cable is subjected to external pressure, the cable core of an internal cable is easily damaged, so that the conductivity of the cable is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the durable photovoltaic cable, which effectively solves the problem that when the cable is subjected to external pressure, the cable core of the internal cable is easily extruded and damaged due to poor impact resistance of the cable.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a durable type photovoltaic cable, includes the annulus, the inside fixedly connected with alternately interlayer of annulus, the annulus and alternately be formed with the inner chamber between the interlayer, the internally mounted of inner chamber has the arc bolster, the internally mounted of arc bolster has the cable core, and the enhancement layer is installed in the outside of arc bolster.

Preferably, the arc bolster includes that the symmetry installs at the inside fan-shaped holding strip of inner chamber, and the mounting groove has been seted up to one side of fan-shaped holding strip, and the cable core is installed inside two mounting grooves, and the extrados one end of two fan-shaped holding strips is connected through a plurality of buffering gasbags that are the inline, and two fan-shaped holding strip intrados one end correspond and form the opening.

Preferably, the reinforcing layer comprises reinforcing strips which are arranged on the outer arc side of the arc-shaped buffer part and arranged around the center point, and the reinforcing strips are connected through an airtight glue layer.

Preferably, the inner corners of the crossed interlayers are fixedly connected with elastic strips.

Preferably, the inner side of the annular sleeve is fixedly connected with a polyethylene protective layer.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the cable, when the cable is impacted, extrusion force is formed on the cable core in the cable, the arc-shaped buffer piece slides towards the inner part of the inner cavity under the action of the extrusion force and then moves towards the inner angle of the crossed interlayer, the arc-shaped buffer piece can buffer the extrusion force in the moving process, and then the cable core in the arc-shaped buffer piece is protected, so that the cable core is prevented from being damaged due to extrusion.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

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

FIG. 3 is a schematic view of another embodiment of the present invention;

fig. 4 is a schematic structural view of the arc-shaped buffer member of the present invention.

In the figure: 1. an annular sleeve; 2. a crossed interlayer; 3. an inner cavity; 4. a polyethylene protective layer; 5. an arc-shaped buffer member; 6. a reinforcing layer; 7. a cable core; 8. an elastic strip; 51. a sector holding strip; 52. mounting grooves; 53. a buffer air bag; 54. an opening; 61. an airtight glue layer; 62. a reinforcing strip.

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.

In the first embodiment, as shown in fig. 1 to 4, the cable comprises an annular sleeve 1, a cross interlayer 2 is fixedly connected inside the annular sleeve 1, an inner cavity 3 is formed between the annular sleeve 1 and the cross interlayer 2, an arc-shaped buffer 5 is installed inside the inner cavity 3, a cable core 7 is installed inside the arc-shaped buffer 5, and a reinforcing layer 6 is installed outside the arc-shaped buffer 5;

when this cable receives the impact, inside can form the extrusion force to cable core 7, make arc bolster 5 slide to 3 insides in the inner chamber under the effect of extrusion force, then move towards the interior angle department of alternately interlayer 2, arc bolster 5 can cushion the extrusion force at the removal in-process, then protect the cable core 7 of arc bolster 5 inside, in order to prevent that cable core 7 from receiving the extrusion and causing the damage, the total strength that enhancement layer 6 can strengthen the cable, in order to prevent that the cable from receiving to lead to the fact the cable to excessively buckle when assaulting, improve the impact strength of cable.

In the second embodiment, on the basis of the first embodiment, the arc-shaped buffer member 5 comprises fan-shaped clamping strips 51 symmetrically installed inside the inner cavity 3, one side of each fan-shaped clamping strip 51 is provided with an installation groove 52, the cable core 7 is installed inside the two installation grooves 52, one ends of outer arc surfaces of the two fan-shaped clamping strips 51 are connected through a plurality of buffering air bags 53 arranged in a straight line, one ends of inner arc surfaces of the two fan-shaped clamping strips 51 correspondingly form openings 54, the reinforcing layer 6 comprises reinforcing strips 62 installed on the outer arc side of the arc-shaped buffer member 5 and arranged around the center point of a circle, the reinforcing strips 62 are connected through an airtight glue layer 61, the elastic strips 8 are fixedly connected at inner corners of the crossed interlayer 2, and the polyethylene protective layer 4 is fixedly connected at the inner side of the annular sleeve 1;

when the cable is impacted, extrusion force can be generated inside the cable, under the action of the extrusion force, the two fan-shaped clamping strips 51 slide in the inner cavity 3 and move towards the inner angle direction of the crossed interlayer 2, when the fan-shaped clamping strips 51 slide, the outer arc ends of the two fan-shaped clamping strips 51 are close to each other, then the buffering air bag 53 is extruded, the extrusion force can be buffered through the buffering air bag 53, the opening 54 formed by the inner arc ends of the two fan-shaped clamping strips 51 is widened, the cable core 7 installed inside the installation groove 52 moves towards the inner angle position of the crossed interlayer 2, the extrusion force borne by the cable core 7 can be reduced, then the cable core 7 is protected, when the two fan-shaped clamping strips 51 move to a certain distance, the inner arc surfaces can be abutted against the elastic strips 8, secondary buffering extrusion force can be carried out on the cable core through the elastic strips 8, and the cable core 7 is protected in a buffering mode, prevent that the cable from causing the damage to cable core 7 when receiving the impact, improve the shock resistance of this cable, and strengthen the overall strength that strip 62 can improve this cable, prevent that this cable from receiving excessive the buckling when assaulting, avoid causing the damage to cable core 7, polyethylene inoxidizing coating 4 can improve the corrosion resistance of this cable to improve the life of cable.

The working principle is as follows: when the cable is impacted, extrusion force can be generated inside the cable, under the action of the extrusion force, the two fan-shaped clamping strips 51 slide in the inner cavity 3 and move towards the inner angle direction of the crossed interlayer 2, when the fan-shaped clamping strips 51 slide, the outer arc ends of the two fan-shaped clamping strips 51 are close to each other, then the buffering air bag 53 is extruded, the extrusion force can be buffered through the buffering air bag 53, the opening 54 formed by the inner arc ends of the two fan-shaped clamping strips 51 is widened, the cable core 7 installed inside the installation groove 52 moves towards the inner angle position of the crossed interlayer 2, the extrusion force borne by the cable core 7 can be reduced, then the cable core 7 is protected, when the two fan-shaped clamping strips 51 move to a certain distance, the inner arc surfaces can be abutted against the elastic strips 8, secondary buffering extrusion force can be carried out on the cable core through the elastic strips 8, and the cable core 7 is protected in a buffering mode, the cable core 7 is prevented from being damaged when the cable is impacted, and the impact strength of the cable is improved.

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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A durable photovoltaic cable comprising an annular sleeve (1), characterized in that: the inner fixedly connected with of annular sleeve (1) alternately separates layer (2), is formed with inner chamber (3) between annular sleeve (1) and alternately separates layer (2), and the internally mounted of inner chamber (3) has arc bolster (5), and the internally mounted of arc bolster (5) has cable core (7), and enhancement layer (6) are installed in the outside of arc bolster (5).

2. A durable photovoltaic cable according to claim 1, wherein: arc bolster (5) are installed at inside fan-shaped holding strip (51) of inner chamber (3) including the symmetry, and mounting groove (52) have been seted up to one side of fan-shaped holding strip (51), and cable core (7) are installed inside two mounting grooves (52), and the extrados one end of two fan-shaped holding strips (51) is connected through a plurality of buffering gasbags (53) that are the inline, and two fan-shaped holding strip (51) intrados one end correspond and form opening (54).

3. A durable photovoltaic cable according to claim 1, wherein: the reinforcing layer (6) comprises reinforcing strips (62) which are arranged on the outer arc side of the arc-shaped buffer piece (5) and around the center point, and the reinforcing strips (62) are connected through an airtight glue layer (61).

4. A durable photovoltaic cable according to claim 1, wherein: and the inner corners of the crossed interlayers (2) are fixedly connected with elastic strips (8).

5. A durable photovoltaic cable according to claim 1, wherein: the inner side of the annular sleeve (1) is fixedly connected with a polyethylene protective layer (4).