CN218676555U

CN218676555U - Wire and cable for photovoltaic

Info

Publication number: CN218676555U
Application number: CN202222750058.0U
Authority: CN
Inventors: 范红敏; 支敏; 焦长兵
Original assignee: Wuxi Jianghe Vehicle Parts Co ltd
Current assignee: Wuxi Jianghe Vehicle Parts Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-21
Anticipated expiration: 2032-10-19

Abstract

The utility model provides a wire and cable for photovoltaic relates to wire and cable technical field, including leading wire and twisted pair line mechanism, its characterized in that: the outer side of the wire twisting mechanism is fixedly connected with a shell mechanism, and the shell mechanism comprises a sun-proof assembly. The utility model discloses an external sunlight shines at the surface on sun-proof layer, and sun-proof layer is that self has certain reflection sunlight and thermal-insulated effect, and the sunlight is when shining right angle inslot wall, and the heat in the right angle groove enters into the insulating layer after the heat conduction of heat conduction grain, and the insulating layer shifts partly heat, reduces sun-proof layer surface's temperature, through setting up sun-proof subassembly, realizes improving cable heat resistance, improves life.

Description

Wire and cable for photovoltaic

Technical Field

The utility model relates to a wire and cable technical field especially relates to a wire and cable for photovoltaic.

Background

Solar energy technology will become one of the green energy technology in the future, solar energy or photovoltaic application is becoming extensive day by day, and the photovoltaic cable is as the key part in photovoltaic power generation, and it often can use under adverse circumstances condition along with solar energy system, and good photovoltaic cable directly influences solar energy component self efficiency and high performance, will directly influence the life of entire system.

The cable comprises a cable main body, a protective sleeve fixing ring and an outer connecting plate, wherein the protective sleeve is arranged on the outer side of the cable main body, the protective sleeve fixing ring is arranged on the outer side of the protective sleeve, the outer connecting plate is arranged on one side of the upper end of the protective sleeve fixing ring, the inner connecting plate is arranged on the other side of the upper end of the protective sleeve fixing ring, an outer connecting plate bolt is arranged on the outer side of the outer connecting plate, and a fixing ring hinge is arranged at the bottom of the protective sleeve fixing ring; when needs pull the cable, can overlap the node on cable contact ground with the lag cover, the lag cover is overlapped the back well, and the lag can replace cable and ground friction, and the surperficial oversheath of lag can avoid producing the mars with ground friction, and the inboard steel armour layer of lag can avoid sharp-pointed object puncture lag damage cable simultaneously to cause the cable surface to receive wearing and tearing when avoiding pulling the cable.

In the prior art, photovoltaic cables are often exposed to sunlight, and solar energy systems are often used in harsh environmental conditions, such as high temperatures and ultraviolet radiation. In high-temperature areas, the field temperature of a solar system is up to 100 ℃ on sunny days, the rated temperature of partial photovoltaic cables is lower than 100 ℃, the cables are seriously damaged, and the service life is shortened rapidly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the photovoltaic cable is often exposed under the sunlight, and the solar energy system is often used under the severe environment condition, such as high temperature and ultraviolet radiation. In a high-temperature area, the field temperature of a solar system is up to 100 ℃ on a sunny day, the rated temperature of part of photovoltaic cables is lower than 100 ℃, and the problems that the cables are seriously damaged and the service life is rapidly shortened are caused.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a wire and cable for photovoltaic, includes leading wire and twisted pair line mechanism, the outside fixedly connected with shell mechanism of twisted pair line mechanism, shell mechanism includes sun-proof subassembly, sun-proof subassembly includes the sheath, the outside fixedly connected with insulating layer of sheath, the sun-proof layer of outside fixedly connected with of insulating layer, the right angle groove has been seted up in the outside on sun-proof layer, the inside fixedly connected with heat conduction grain on sun-proof layer, the other end of heat conduction grain with the inside fixed connection of insulating layer, leading wire with the fixedly connected with filling layer is located in the clearance of twisted pair line mechanism.

Preferably, the inner side of the sheath is fixedly connected with a steel belt armor, and the inner side of the steel belt armor is fixedly connected with a second inner sheath.

Preferably, the inner side of the second inner sheath is fixedly connected with a copper strip shield, and the inner side of the copper strip shield is fixedly connected with the first inner sheath.

Preferably, the inner side of the first inner sheath is fixedly connected with a coating aluminum strip, and the inner layer of the coating aluminum strip is fixedly connected with a wrapping tape.

Preferably, the inner side of the wrapping tape is fixedly connected with the outer side of the filling layer.

Preferably, the wire twisting mechanism comprises a thin wire, a third inner sheath is fixedly connected to the outer side of the thin wire, and an insulating layer is fixedly connected to the outer side of the third inner sheath.

Preferably, the number of the third inner sheaths is several, and several third inner sheaths are twisted with each other to form a ring.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, through setting up sun-proof subassembly, realize improving cable heat resistance, improve life, shine at sun-proof layer's surface through external sunlight, sun-proof layer is self to have certain reflection sunlight and thermal-insulated effect, and the sunlight is when shining right angle inslot wall, and the heat in the right angle groove enters into the insulating layer after the heat conduction of heat conduction grain, and the insulating layer shifts partial heat, reduces the temperature of sun-proof layer surface, improves high temperature resistance ability.

2. The utility model discloses in, through setting up the twisted pair line mechanism, realize strengthening cable's tensile strength, there are a plurality of twisted pair line mechanisms through the outside at leading wire, have two thin wires in every twisted pair line mechanism, efficiency when improving the transmission, third inner sheath and insulating layer are separated a plurality of twisted pair line mechanisms, do not interfere with each other, and a plurality of twisted pair line mechanisms twist into a ring layer each other around leading wire simultaneously, strengthen the tensile strength of whole cable.

Drawings

Fig. 1 is a schematic perspective view of a photovoltaic wire and cable according to the present invention;

fig. 2 is a schematic structural view of a cross section of a wire and cable for photovoltaic use according to the present invention;

fig. 3 is a schematic structural view of a photovoltaic wire and cable sunscreen assembly provided by the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Illustration of the drawings: 1. a main conductor; 2. a wire twisting mechanism; 21. a thin wire; 22. a third inner sheath; 23. an insulating layer; 3. a housing mechanism; 31. wrapping a tape; 32. coating an aluminum strip; 33. a first inner sheath; 34. shielding by a copper strip; 35. a second inner sheath; 36. steel tape armoring; 37. a sunscreen assembly; 371. a thermal insulation layer; 372. a sunscreen layer; 373. a right-angle groove; 374. a sheath; 375. heat conducting particles; 4. and (5) filling the layer.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.

Embodiment 1, as shown in fig. 1 to 4, the present invention provides a photovoltaic wire cable including a sunscreen module 37 and a twisted pair mechanism 2.

The specific arrangement and function of the sunscreen assembly 37 and the wire twisting mechanism 2 will be described in detail below.

As shown in fig. 1, fig. 3 and fig. 4, a wire and cable for photovoltaic use, including main traverse line 1 and twisted pair mechanism 2, the outside fixedly connected with shell mechanism 3 of twisted pair mechanism 2, shell mechanism 3 includes sun-proof subassembly 37, sun-proof subassembly 37 includes sheath 374, the outside fixedly connected with insulating layer 371 of sheath 374, the sun-proof layer 372 of outside fixedly connected with of insulating layer 371, right-angle groove 373 has been seted up in the outside of sun-proof layer 372, the inside fixedly connected with heat conduction grain 375 of sun-proof layer 372, the other end of heat conduction grain 375 and the inside fixed connection of insulating layer 371, main traverse line 1 and the clearance fixedly connected with filling layer 4 of twisted pair mechanism 2.

The effect that its whole sun-proof subassembly 37 reached does, shine at sun-proof layer 372's surface through external sunlight, sun-proof layer 372 is self has certain reflection sunlight and thermal-insulated effect, the sunlight is when shining right angle groove 373 inner wall, the heat in right angle groove 373 enters into insulating layer 371 after the heat conduction of heat conduction particle 375, insulating layer 371 shifts partly heat, reduce the temperature on sun-proof layer 372 surface, through setting up sun-proof subassembly 37, realize improving cable heat resistance, and service life is prolonged.

As shown in fig. 1 and 2, the inboard fixedly connected with steel band armor 36 of sheath 374, the inboard fixedly connected with second inner sheath 35 of steel band armor 36, the inboard fixedly connected with copper strip shield 34 of second inner sheath 35, the first inner sheath 33 of inboard fixedly connected with of copper strip shield 34, the inboard fixedly connected with coating aluminium strip 32 of first inner sheath 33, the inner layer fixedly connected with of coating aluminium strip 32 winds band 31, the inboard and filling layer 4's of winding band 31 outside fixed connection, twisted pair line mechanism 2 includes thin wire 21, the outside fixedly connected with third inner sheath 22 of thin wire 21, the outside fixedly connected with insulating layer 23 of third inner sheath 22, the quantity of third inner sheath 22 is a plurality of, a plurality of third inner sheaths 22 twist reverse each other and form the annular.

The effect that its whole pair stranded conductor mechanism 2 reaches does, there are a plurality of pair stranded conductor mechanisms 2 through the outside at leading wire 1, there are two thin wires 21 in every pair stranded conductor mechanism 2, efficiency when improving the transmission, third inner sheath 22 and insulating layer 23 separate a plurality of pair stranded conductor mechanisms 2, do not have the interference each other, a plurality of pair stranded conductor mechanisms 2 twist into an annular layer each other around leading wire 1 simultaneously, through setting up pair stranded conductor mechanism 2, realize reinforced cable's tensile strength.

The use method and the working principle of the device are as follows: when using this wire and cable for photovoltaic, external sunlight shines at sun-proof layer 372's surface, sun-proof layer 372 is self has certain reflection sunlight and thermal-insulated effect, the sunlight is when shining right-angle groove 373 inner wall, heat in right-angle groove 373 enters into in insulating layer 371 after the heat conduction of heat conduction particle 375, insulating layer 371 shifts partly heat, reduce the temperature of sun-proof layer 372 surface, improve the heat-resisting degree of whole cable, there are a plurality of pair stranded conductor mechanisms 2 in the outside of leading wire 1, there are two thin wires 21 in every pair stranded conductor mechanism 2, efficiency when improving the transmission, third inner sheath 22 and insulating layer 23 separate a plurality of pair stranded conductor mechanisms 2, do not have the interference each other, a plurality of pair stranded conductor mechanisms 2 twist into an annular layer around leading wire 1 each other simultaneously, the tensile strength of whole cable has been improved, it is multilayer dampproofing polyester tape to wrap around band 31, cooperation coating aluminium strip 32, strengthen the dampproofing performance of cable, copper strip shielding 34 vertical overlap joint winding, under the parcel of first inner sheath 33 and second inner sheath 35, the static effect of improvement cable, 36 is two-layer steel strip winding structure of armouring cable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a wire and cable for photovoltaic, includes main traverse conductor (1) and twisted pair mechanism (2), its characterized in that: outer side fixedly connected with shell mechanism (3) of twisted pair mechanism (2), shell mechanism (3) are including sun-proof subassembly (37), sun-proof subassembly (37) are including sheath (374), the outside fixedly connected with insulating layer (371) of sheath (374), the sun-proof layer (372) of outside fixedly connected with of insulating layer (371), right angle groove (373) have been seted up in the outside of sun-proof layer (372), the inside fixedly connected with heat conduction grain (375) of sun-proof layer (372), the other end of heat conduction grain (375) with the inside fixed connection of insulating layer (371), main traverse guide (1) with fixedly connected with filling layer (4) are located to the clearance of twisted pair mechanism (2).

2. The photovoltaic wire cable according to claim 1, wherein: the inner side of the sheath (374) is fixedly connected with a steel belt armor (36), and the inner side of the steel belt armor (36) is fixedly connected with a second inner sheath (35).

3. The wire cable for photovoltaic use according to claim 2, wherein: the inner side of the second inner sheath (35) is fixedly connected with a copper strip shield (34), and the inner side of the copper strip shield (34) is fixedly connected with a first inner sheath (33).

4. A photovoltaic wire cable according to claim 3, characterized in that: the inboard fixedly connected with coating aluminium strip (32) of first inner sheath (33), the inlayer fixedly connected with of coating aluminium strip (32) is around band (31).

5. The photovoltaic wire cable according to claim 4, wherein: the inner side of the wrapping tape (31) is fixedly connected with the outer side of the filling layer (4).

6. The photovoltaic wire cable according to claim 1, wherein: the twisted pair mechanism (2) comprises a thin wire (21), a third inner sheath (22) is fixedly connected to the outer side of the thin wire (21), and an insulating layer (23) is fixedly connected to the outer side of the third inner sheath (22).

7. The wire cable for photovoltaic use according to claim 6, wherein: the number of the third inner sheaths (22) is a plurality, and the third inner sheaths (22) are mutually twisted to form a ring.