CN218957437U

CN218957437U - High-strength photovoltaic cable

Info

Publication number: CN218957437U
Application number: CN202223578950.1U
Authority: CN
Inventors: 陈荣
Original assignee: Suzhou Hona Energy Technology Co ltd
Current assignee: Suzhou Hona Energy Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-02
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a high-strength photovoltaic cable, which relates to the technical field of photovoltaic cables and comprises cable cores, wherein five cable cores are arranged, insulating materials are independently arranged outside the five cable cores, an inner insulating layer is jointly wrapped outside the five cable cores, a first reinforcing layer is fixedly sleeved outside the inner insulating layer, and a second reinforcing layer is fixedly sleeved outside the first reinforcing layer. According to the utility model, the cable is coated by the inner insulating layer made of polytetrafluoroethylene, so that the multi-cable is insulated and protected, meanwhile, the cable has better high temperature resistance, corrosion resistance and insulativity, the first reinforcing layer and the second reinforcing layer are made of carbon fiber and super-density polyethylene respectively, the cable has excellent hardness and tensile strength, the insulating layer is matched with the bending protection layer which is distributed in an elliptical shape in a heat insulation way, the bending protection layer is made of plastic materials, the strength of the cable is improved by the first reinforcing layer and the second reinforcing layer, and the capacity of the cable for bearing pressure, bending, tension and the like is improved.

Description

High-strength photovoltaic cable

Technical Field

The utility model relates to the technical field of photovoltaic cables, in particular to a high-strength photovoltaic cable.

Background

Solar energy is an important energy source which can be naturally utilized, the potential of solar energy resource development and utilization is very wide, the yield of solar cells and components is steadily increased year by year, a huge business opportunity exists as a solar photovoltaic cable for connecting a photovoltaic component and an inverter, and the connection of the photovoltaic cable mainly used for the photovoltaic component is a key part in photovoltaic power generation. Photovoltaic cables are often exposed to sunlight, and solar energy systems are often used under harsh environmental conditions, thus requiring the strength of the photovoltaic cable. The following problems exist in the prior art:

1. in the existing high-strength photovoltaic cable, a cable body of an insulating layer is coated outside a copper wire core, the cable is affected by the position of the cable when the cable is installed and routed, the cable is required to bear pressure, bending, tension, cross tensile load and strong impact, and the inner cable core is easily damaged due to insufficient strength of an outer sheath of the cable;

2. the existing high-strength photovoltaic cable is outdoor in use environment, the photovoltaic cable is affected by the installation position, the cable is often rubbed with the outside in a mutual mode, the outer coating layer of the cable is easy to abrade excessively, the cable is damaged due to internal exposure, and protection for external friction is not enough.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a high strength photovoltaic cable, includes the cable core, the cable core is provided with five, five the outside of cable core all independently is provided with insulating material, five the outside of cable core is wrapped up jointly has the inner insulation layer, the outside fixed first enhancement layer that has cup jointed of inner insulation layer, the outside fixed second enhancement layer that has cup jointed of first enhancement layer, the outside parcel of second enhancement layer has high temperature resistant layer, the outside parcel of high temperature resistant layer has the insulating layer, the outside fixed inoxidizing coating of having cup jointed of insulating layer.

The technical scheme of the utility model is further improved as follows: the waterproof layer is fixedly sleeved outside the bending protective layer, the wear-resistant layer is fixedly sleeved outside the waterproof layer, and the wear-resistant layer is fixedly sleeved outside the wear-resistant layer.

The technical scheme of the utility model is further improved as follows: the inner insulating layer is made of polytetrafluoroethylene materials, the first reinforcing layer is made of carbon fiber materials, and the second reinforcing layer is made of super-density polyethylene materials.

The technical scheme of the utility model is further improved as follows: the bending protective layer is uniformly distributed in an elliptical shape and outside the heat insulation layer, and is made of soft plastic materials.

The technical scheme of the utility model is further improved as follows: the waterproof layer is heliciform fixed mounting in the outside of waterproof layer, the waterproof layer is resistance to compression PE material.

The technical scheme of the utility model is further improved as follows: the wear-resistant layer is made of nylon materials, and is laid outside the wear-resistant layer in a net-shaped multilayer manner.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a high-strength photovoltaic cable, which is provided with a first reinforcing layer, a second reinforcing layer, a high-temperature resistant layer, a heat insulation layer and the like, wherein the cable is covered by an inner insulating layer made of polytetrafluoroethylene, the multi-heeled cable is insulated and protected, meanwhile, the cable is better in high-temperature resistant, corrosion resistant and insulating property, the first reinforcing layer and the second reinforcing layer are respectively made of carbon fiber and super-density polyethylene, the cable has excellent hardness and tensile strength, and meanwhile, the heat insulation layer is matched with the arrangement of bending protection layers distributed in an elliptical shape, the bending protection layers are made of plastic materials, the strength of the cable is improved by matching with the use of the first reinforcing layer and the second reinforcing layer, and the capability of the cable for bearing pressure, bending, tension and the like is improved.

2. The utility model provides a high-strength photovoltaic cable, which is provided with a waterproof layer, a wear-resistant layer and the like, wherein the wear-resistant layer is spirally distributed outside the waterproof layer, the wear-resistant layer has good wear-resistant performance, and the wear-resistant layer is matched with the wear-resistant layer paved in a net shape outside the wear-resistant layer, so that when the cable is in an environment with larger friction with the outside, the wear-resistant performance of the cable is improved due to the advantages of prominent fatigue resistance, small friction coefficient, wear resistance and the like, and the damage to a cable coating layer caused by overlarge friction during use is prevented.

Drawings

Fig. 1 is a schematic structural view of a high-strength photovoltaic cable of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the construction of the compression layer of the present utility model;

fig. 4 is a schematic diagram of the structure of fig. 2 at a.

In the figure: 1. a cable core; 2. an inner insulating layer; 3. a first reinforcing layer; 4. a second reinforcing layer; 5. a high temperature resistant layer; 6. a thermal insulation layer; 7. bending the protective layer; 8. a waterproof layer; 9. a wear-resistant layer; 10. and an antiwear layer.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a high-strength photovoltaic cable, which comprises cable cores 1, wherein five cable cores 1 are provided, insulating materials are respectively and independently arranged outside the five cable cores 1, an inner insulating layer 2 is jointly wrapped outside the five cable cores 1, a first reinforcing layer 3 is fixedly sleeved outside the inner insulating layer 2, a second reinforcing layer 4 is fixedly sleeved outside the first reinforcing layer 3, a high-temperature resistant layer 5 is wrapped outside the second reinforcing layer 4, a heat insulating layer 6 is wrapped outside the high-temperature resistant layer 5, and a bending protective layer 7 is fixedly sleeved outside the heat insulating layer 6.

In this embodiment, through being provided with first enhancement layer 3, second enhancement layer 4, high temperature resistant layer 5, insulating layer 6 etc. through polytetrafluoroethylene material's interior insulating layer 2 cladding cable, play insulating protection to many cables and have better high temperature resistant corrosion-resistant and insulating property simultaneously, it is made for carbon fiber and super density polyethylene material respectively through first enhancement layer 3 and second enhancement layer 4, it has outstanding hardness and tensile strength, the setting of bending inoxidizing coating 7 that is oval form distribution through insulating layer 6 heat-proof fit simultaneously, bending inoxidizing coating 7 is the plastic material, the use of cooperation first enhancement layer 3 and second enhancement layer 4 improves the intensity of cable itself, promote the ability of cable to bear pressure, buckling and tensile etc..

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the waterproof layer 8 is fixedly sleeved outside the bending protective layer 7, the wear-resistant layer 9 is fixedly sleeved outside the waterproof layer 8, and the wear-resistant layer 10 is fixedly sleeved outside the wear-resistant layer 9.

In this embodiment, through being provided with waterproof layer 8, wearing layer 9, wearing layer 10 etc., through wearing layer 9 heliciform distribution in the outside of waterproof layer 8, the good wear resistance that its possesses through wearing layer 9, the wearing layer 10's that the net was laid of its cooperation, when the cable was in the environment great with outside friction, the fatigue resistance that possesses for nylon material through wearing layer 10 outstanding, coefficient of friction is little, advantages such as wear resistance improve the wear resistance of cable, the damage of cable coating when preventing to use that the friction is too big leads to influences the use.

The working principle of the high-strength photovoltaic cable is specifically described below.

As shown in fig. 1-4, the inner insulating layer 2 made of polytetrafluoroethylene is used for coating the cable, insulating protection is achieved on a plurality of cables, meanwhile, the cable has better high temperature resistance, corrosion resistance and insulativity, the first reinforcing layer 3 and the second reinforcing layer 4 are made of carbon fiber and super-density polyethylene respectively, the cable has excellent hardness and tensile strength, meanwhile, the heat insulation layer 6 is used for being matched with the arrangement of the bending protection layers 7 distributed in an elliptical shape in an insulating manner, the bending protection layers 7 are made of plastic materials, the strength of the cable is improved by matching with the use of the first reinforcing layer 3 and the second reinforcing layer 4, the capability of the cable for bearing pressure, bending, tension and the like is improved, the wear-resisting layer 9 is distributed outside the waterproof layer 8 in a spiral mode, the wear-resisting layer 9 has good wear-resisting performance, the wear-resisting layer 10 paved in a meshed mode is matched with the wear-resisting layer 10, when the cable is in an environment with large friction with the outside, the wear-resisting performance of the cable is outstanding due to the fact that the wear-resisting layer 10 is made of nylon, the wear-resisting performance of the cable is small in the abrasion coefficient, the wear-resisting performance of the cable is improved, and the cable is prevented from being damaged due to the fact that the wear-resisting layer is too much in use.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. High strength photovoltaic cable, including cable core (1), its characterized in that: the cable core (1) is provided with five, and five the outside of cable core (1) all independently is provided with insulating material, and five the outside of cable core (1) is wrapped up jointly and is had inner insulating layer (2), the outside fixed first enhancement layer (3) that has cup jointed of inner insulating layer (2), the outside fixed second enhancement layer (4) that has cup jointed of first enhancement layer (3), the outside parcel of second enhancement layer (4) has high temperature resistant layer (5), the outside parcel of high temperature resistant layer (5) has insulating layer (6), the outside fixed inoxidizing coating (7) of bending that has cup jointed of insulating layer (6).

2. A high strength photovoltaic cable according to claim 1, characterized in that: the waterproof layer (8) has been cup jointed in the outside fixed of bending inoxidizing coating (7), the outside fixed of waterproof layer (8) has cup jointed wearing layer (9), the outside fixed of wearing layer (9) has cup jointed wearing layer (10).

3. A high strength photovoltaic cable according to claim 1, characterized in that: the inner insulating layer (2) is made of polytetrafluoroethylene materials, the first reinforcing layer (3) is made of carbon fiber materials, and the second reinforcing layer (4) is made of super-density polyethylene materials.

4. A high strength photovoltaic cable according to claim 1, characterized in that: the bending protective layer (7) is uniformly distributed in an elliptical shape and is arranged outside the heat insulation layer (6), and the bending protective layer (7) is made of soft plastic materials.

5. A high strength photovoltaic cable according to claim 2, characterized in that: the waterproof layer (8) is spiral fixed mounting in the outside of waterproof layer (8), waterproof layer (8) are resistance to compression PE material.

6. A high strength photovoltaic cable according to claim 2, characterized in that: the wear-resistant layer (10) is made of nylon materials, and the wear-resistant layer (10) is laid outside the wear-resistant layer (9) in a net-shaped multilayer mode.