CN215265628U

CN215265628U - High temperature resistant photovoltaic cable

Info

Publication number: CN215265628U
Application number: CN202121342040.6U
Authority: CN
Inventors: 朱国林; 李永坤; 高艳卿
Original assignee: Jiangsu Guoning Cable Co ltd
Current assignee: Jiangsu Guoning Cable Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-21
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a high temperature resistance photovoltaic cable, including aluminium strip, sheath, glass yarn and high temperature resistant overcoat, aluminium strip inner wall equidistance fixedly connected with divides the parting bead, all is equipped with the sheath between two parting beads, and the outside cladding in aluminium strip has the glass yarn, and the outside winding of glass yarn has the non-woven fabrics, the utility model discloses the beneficial effect who reaches is: the utility model discloses a bottom resistance characteristic in aluminium strip, can reduce generating heat that induced-current produced, use through strengthening rib cooperation parting bead, not only can improve the toughness of cable, and can avoid the wire to concentrate to generate heat, can play shielding insulation's effect through the sheath silver-plated wire, use through mica tape cooperation glass yarn, can carry out the separation to external heat, thereby improve the life of photovoltaic cable, can improve the fire resistance of photovoltaic cable through high temperature resistant overcoat, be favorable to improving the safety in utilization of photovoltaic cable, can strengthen the toughness of photovoltaic cable through non-woven fabrics cooperation rope made of hemp.

Description

High temperature resistant photovoltaic cable

Technical Field

The utility model relates to a photovoltaic cable, in particular to high temperature resistant photovoltaic cable belongs to cable technical field.

Background

The photovoltaic is a short-term solar photovoltaic power generation system, which is a novel power generation system for directly converting solar radiation energy into electric energy by utilizing the photovoltaic effect of a solar cell semiconductor material, has two modes of independent operation and grid-connected operation, has many advantages, does not need any other 'fuel' except sunshine, can work under the conditions of direct sunlight radiation and oblique sunlight radiation, is very convenient and flexible from the selection of sites, can be applied to roofs and open lands in cities, and is a rapidly-growing energy form in some major countries of the world, especially Germany, Italy, Spain, America, France and Korea, and federal, state and local government agencies dispute tax refunds, tax revenue and other incentive measures to end users, distributors and other solar products, System integrators and manufacturers provide subsidies and economic incentives to promote the use of solar energy in grid-tied applications, reducing reliance on other energy sources.

With the continuous investment and research and development of new energy sources in China in recent years, particularly the photovoltaic field is mature, corresponding photovoltaic cables are needed when power transmission is carried out on photovoltaic power generation, however, photovoltaic systems are often used under severe environmental conditions, such as high temperature and ultraviolet radiation, and under the sun exposure in summer, the photovoltaic cables are always in a high-temperature state.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a high temperature resistant photovoltaic cable.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a high temperature resistance photovoltaic cable, including aluminium strip, sheath, glass yarn and high temperature resistant overcoat, aluminium strip inner wall equidistance fixedly connected with divides the parting bead, two all be equipped with the sheath between the parting bead, the outside cladding in aluminium strip has the glass yarn, the outside winding of glass yarn has the non-woven fabrics, the outside winding of non-woven fabrics has the rope made of hemp, the outside cladding of rope made of hemp has high temperature resistant overcoat.

As an optimized proposal of the utility model, the one end fixedly connected with strengthening rib of aluminium strip is kept away from to the parting bead.

As an optimized scheme of the utility model, the sheath comprises mica tape, shielding layer and insulating layer, the outside cladding of insulating layer has the shielding layer, the outside winding of shielding layer has the mica tape.

As an optimized proposal of the utility model, the insulating layer is internally provided with silver-plated wires, and the plating thickness of the silver-plated wires is 2 um.

As an optimized proposal of the utility model, the filler is injected between the sheath and the glass yarn, and the filler is fiber ointment.

As a preferred scheme of the utility model, the high temperature resistant overcoat is made by ethylene-tetrafluoroethylene copolymer material.

The utility model discloses the beneficial effect who reaches is: through the bottom resistance characteristic of aluminium strip, can reduce generating heat that induced-current produced, use through strengthening rib cooperation parting bead, not only can improve the toughness of cable, and can avoid the wire to concentrate to generate heat, can silver-plated wire play shielding insulation's effect through the sheath, use through mica tape cooperation glass yarn, can separate external heat, thereby improve the life of photovoltaic cable, can improve the fire resistance of photovoltaic cable through high temperature resistant overcoat, be favorable to improving the safety in utilization of photovoltaic cable, can strengthen the toughness of photovoltaic cable through non-woven fabrics cooperation rope made of hemp.

Drawings

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

fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a schematic view of the internal structure of the sheath of the present invention.

In the figure: 1. an aluminum strip; 2. a dividing strip; 3. reinforcing ribs; 4. a sheath; 41. mica tapes; 42. a shielding layer; 43. an insulating layer; 5. silver plating the wires; 6. a filler; 7. glass yarn; 8. non-woven fabrics; 9. hemp ropes; 10. a high-temperature resistant jacket.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-2, the utility model provides a high temperature resistance photovoltaic cable, including aluminium strip 1, sheath 4, glass yarn 7 and high temperature resistance overcoat 10, 1 inner wall equidistance fixedly connected with in aluminium strip separates strip 2, can separate silver-plated wire 5, thereby avoid silver-plated wire 5 to appear concentrating the phenomenon of generating heat, two separate and all be equipped with sheath 4 between

strip

2, 1 outside cladding of aluminium strip has glass yarn 7, can carry out the separation to outside heat, thereby improve photovoltaic cable's life, 7 outside windings of glass yarn have

non-woven fabrics

8, 8 outside windings of non-woven fabrics have hemp rope 9, can strengthen photovoltaic cable's toughness, thereby make things convenient for the staff to lay the cable, 9 outside claddings of hemp rope have high temperature resistance overcoat 10, can improve photovoltaic cable's fire resistance, be favorable to improving photovoltaic cable's safety in utilization.

Furthermore, the one end fixedly connected with strengthening rib 3 that aluminium strip 1 was kept away from to division strip 2 can improve the bearing capacity of photovoltaic cable to improve the quality of photovoltaic cable.

Further, sheath 4 comprises mica tape 41, shielding layer 42 and insulating layer 43, and the outside cladding of insulating layer 43 has shielding layer 42, and shielding layer 42 outside winding has mica tape 41, not only can prevent silvering wire 5 electric leakage, and the shielding layer 42 that sets up moreover can improve the quality of transmission, can carry out the separation to outside heat through mica tape 41.

Further, the insulating layer 43 is internally provided with the silver-plated wire 5, and the plating thickness of the silver-plated wire 5 is 2um, so that the phenomenon of electric leakage of the silver-plated wire 5 is avoided.

Furthermore, fillers 6 are injected between the sheath 4 and the glass yarns 7, and the fillers 6 are fiber paste which can support the sheath 4.

Furthermore, the high-temperature-resistant outer sleeve 10 is made of an ethylene-tetrafluoroethylene copolymer material, so that the flame retardance of the photovoltaic cable can be improved, and the use safety of the photovoltaic cable can be improved.

Specifically, a wire material of a corresponding specification is selected according to use requirements, the wire material is then silver-plated to form silver-plated wires 5, each silver-plated wire 5 is wound by a stranding machine, an insulating layer 43 made of an F46 material is coated on the outer portion of each silver-plated wire 5, a shielding layer 42 formed by metal weaving is coated on the outer portion of each insulating layer 43 after drying, a mica tape 41 is wound on the outer portion of each shielding layer 42, then a sheath 4 is inserted into an aluminum tape 1, each sheath 4 is separated by a separation strip 2, a filler 6 is injected into the aluminum tape 1 to fix the sheath 4, a glass yarn 7 is coated on the outer portion of the aluminum tape 1, a non-woven fabric 8 is wound on the outer portion of the glass yarn 7, a hemp rope 9 is wound on the outer portion of the non-woven fabric 8, and a high-temperature resistant outer sheath 10 is coated on the outer portion of the hemp rope 9.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 a high temperature resistant photovoltaic cable, its characterized in that includes aluminium strip (1), sheath (4), glass yarn (7) and high temperature resistant overcoat (10), aluminium strip (1) inner wall equidistance fixedly connected with parting bead (2), two all be equipped with sheath (4) between parting bead (2), aluminium strip (1) outside cladding has glass yarn (7), glass yarn (7) outside winding has non-woven fabrics (8), non-woven fabrics (8) outside winding has rope made of hemp (9), rope made of hemp (9) outside cladding has high temperature resistant overcoat (10).

2. The high-temperature-resistant photovoltaic cable according to claim 1, wherein a reinforcing rib (3) is fixedly connected to one end of the separation strip (2) far away from the aluminum strip (1).

3. The high-temperature-resistant photovoltaic cable according to claim 1, wherein the sheath (4) is composed of a mica tape (41), a shielding layer (42) and an insulating layer (43), the insulating layer (43) is externally coated with the shielding layer (42), and the shielding layer (42) is externally wound with the mica tape (41).

4. The high-temperature-resistant photovoltaic cable according to claim 3, wherein silver-plated wires (5) are arranged inside the insulating layer (43), and the thickness of the plated layer of the silver-plated wires (5) is 2 μm.

5. The high-temperature-resistant photovoltaic cable according to claim 1, wherein a filler (6) is injected between the sheath (4) and the glass yarn (7), and the filler (6) is a fiber paste.

6. The high-temperature-resistant photovoltaic cable according to claim 1, wherein the high-temperature-resistant sheath (10) is made of an ethylene-tetrafluoroethylene copolymer.