CN210805321U

CN210805321U - Solar photovoltaic cable

Info

Publication number: CN210805321U
Application number: CN201921855104.5U
Authority: CN
Inventors: 张波涛
Original assignee: Hubei Daowang Electronic Technology Co ltd
Current assignee: Hubei Daowang Electronic Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-19
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a solar photovoltaic cable, which belongs to the technical field of solar photovoltaic, and comprises a wire core for transmitting electric energy and an outer sheath layer, wherein a holding space is formed between the outer sheath layer and the wire core, a plurality of reinforcing ribs are filled in the holding space, and the wire core comprises a conductor, an insulating layer arranged at the periphery of the conductor and an inner sheath layer sleeved at the periphery of the insulating layer; the reinforcing ribs are added in the solar photovoltaic cable, so that the tensile strength of the solar photovoltaic cable can be greatly improved.

Description

Solar photovoltaic cable

Technical Field

The utility model relates to a solar photovoltaic technical field, in particular to solar photovoltaic cable.

Background

With the continuous development of clean energy technology in human society, solar photovoltaic technology as clean energy becomes mature day by day, and more cases are applied in scale. As a part of the development and manufacture of solar photovoltaic technology, solar photovoltaic cables are also receiving more and more attention. Solar photovoltaic power generation is not only used for generating power in open outdoors, but also is increasingly used for generating power in areas with dense human lives, such as the side walls of office buildings or roofs. The solar photovoltaic cable for transmitting photovoltaic power generation electric energy has higher and higher requirements. Because the solar photovoltaic cable is subjected to harsh environmental conditions for a long time at high altitude outdoors, the cable may be broken to generate short circuit, and further accidents such as fire disasters and the like occur; in addition, outdoor solar photovoltaic cable generally has longer transmission distance, further improves the tensile strength and the bearing capacity requirement of cable, avoids leading to cable performance impaired because the bearing capacity is not enough.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a solar photovoltaic cable, can effectively increase solar photovoltaic cable's tensile strength and bearing capacity.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a solar photovoltaic cable, including sinle silk and the oversheath layer of transmission electric energy, the oversheath layer with form the accommodation space between the sinle silk, a plurality of strengthening ribs are filled to the accommodation space intussuseption, the sinle silk includes the conductor, sets up the insulating layer and the cover in the conductor periphery and establishes the inner sheath layer in insulating layer periphery.

Preferably, the reinforcing ribs are aramid fiber bundles.

Further, the outer sheath layer, the inner sheath layer and the insulating layer are made of the same material.

Further, the outer jacket layer has a thickness greater than a thickness of the inner jacket layer.

Further, the thickness of the inner sheath layer is greater than the thickness of the insulating layer.

Further, the outer jacket layer, the inner jacket layer and the insulation layer are all made of a thermoplastic elastomer material.

Further, the conductor is made of copper metal material.

Further, the number of the wire cores is 4, and the number of the aramid fiber bundles is 5.

Compared with the prior art, the utility model provides a technical scheme has following advantage and beneficial effect: the utility model provides a solar photovoltaic cable, including the sinle silk and the oversheath layer of transmission electric energy, be formed with the accommodation space between the oversheath layer and the sinle silk, fill a plurality of strengthening ribs in the accommodation space, the sinle silk includes the conductor, sets up the insulating layer and the cover in the conductor periphery and establishes the inner sheath layer in the insulating layer periphery; the reinforcing ribs are added to the solar photovoltaic cable, so that the tensile capacity of the solar photovoltaic cable can be greatly improved.

Drawings

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

FIG. 1 is a schematic cross-sectional structure diagram of a solar photovoltaic cable in an embodiment;

figure 2 is a schematic cross-sectional structure diagram of the cable core in the embodiment.

In the figure: 100-solar photovoltaic cable; 1-a wire core; 2-an outer sheath layer; 3-an accommodating space; 5-reinforcing ribs; 11-a conductor; 12-an insulating layer; 13-inner sheath layer.

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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in the figure, the utility model provides a solar photovoltaic cable 100, including sinle silk 1 and the oversheath layer 2 of transmission electric energy, oversheath layer 2 with be formed with accommodation space 3 between the sinle silk 1, a plurality of strengthening ribs 5 are filled to the 3 intussuseption of accommodation space, sinle silk 1 includes conductor 11, sets up and establishes at the insulating layer 12 and the cover of conductor periphery the inner sheath layer 13 of insulating layer periphery.

The cable core 1 is used for transmitting electric energy generated by solar photovoltaic power generation, and the outer sheath layer 2 is used for protecting cable components such as the cable core and the like positioned in the outer sheath layer 2 from being damaged by the outside; the accommodating space 3 is used for being provided with a reinforcing rib 5, so that the flexibility and the mechanical strength of the solar photovoltaic cable are improved; the conductor 11 is used for transmitting electric energy, preferably, a copper metal material is used as the conductor, and the insulating layer 12 is used for isolating the conductor from the external environment so as to prevent electric energy loss; the inner sheath layer 13 serves to protect the conductors and the insulation layer 12, further enhancing the protection of the conductors themselves.

In this embodiment, strengthening rib 5 is for gathering aramid fiber bundle, chooses for use and gathers aramid fiber as strengthening rib 5, can effectively increase the compliance of cable, improves the mechanical strength of cable, and then improves the resistant performance of buckling of cable, has improved the life of cable.

In this embodiment, the materials of the outer sheath layer 2, the inner sheath layer 13 and the insulating layer 12 are the same.

In this embodiment, the thickness of the outer sheath layer 2 is greater than the thickness of the inner sheath layer 13.

In this embodiment, the thickness of the inner sheath layer 13 is greater than the thickness of the insulating layer 12.

In this embodiment, the outer sheath layer 2, the inner sheath layer 13 and the insulating layer 12 are all made of thermoplastic elastomer materials, and the thermoplastic elastomer materials are used as the outer sheath layer 2, the inner sheath layer 13 and the insulating layer 12, so that the generation of toxic gases in a fire situation can be effectively reduced, and further a low-carbon environmental protection function is realized.

In the embodiment, the conductor is made of a copper metal material, and the copper metal is used as a conductor material with higher conductivity, so that the electric energy transmission capability is excellent, and the electric energy loss is small.

In this embodiment, the number of the wire cores is 4, and the number of the aramid fiber bundles is 5.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a solar photovoltaic cable, its characterized in that, including transmission electric energy sinle silk and oversheath layer, the oversheath layer with form the accommodation space between the sinle silk, a plurality of strengthening ribs are filled to the accommodation space, the sinle silk includes the conductor, sets up the insulating layer and the cover in the conductor periphery and establishes the inner sheath layer of insulating layer periphery.

2. The solar photovoltaic cable of claim 1, wherein the reinforcing ribs are aramid fiber bundles.

3. The solar photovoltaic cable of claim 2, wherein the outer jacket layer, the inner jacket layer, and the insulating layer are the same material.

4. The solar photovoltaic cable of claim 3, wherein the outer jacket layer has a thickness greater than a thickness of the inner jacket layer.

5. The solar photovoltaic cable of claim 4, wherein the thickness of the inner jacket layer is greater than the thickness of the insulating layer.

6. The solar photovoltaic cable of claim 5, wherein the outer jacket layer, the inner jacket layer, and the insulating layer are all made of a thermoplastic elastomer material.

7. The solar photovoltaic cable of claim 6, wherein the conductor is made of copper metal material.

8. The solar photovoltaic cable of claim 6, wherein the number of the wire cores is 4, and the number of the aramid fiber bundles is 5.