CN214705548U

CN214705548U - Special photovoltaic information acquisition combination cable

Info

Publication number: CN214705548U
Application number: CN202120985588.6U
Authority: CN
Inventors: 张艳君; 杨耀舟
Original assignee: He'nan Tengda Special Cable Co ltd
Current assignee: He'nan Tengda Special Cable Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-12
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a special photovoltaic information acquisition combination cable, including parallel arrangement's electric power cable and data cable, a plurality of groups of electric power transmission lines of mutual insulation are arranged in the electric power cable, and the skin of a plurality of groups of electric power transmission lines has from inside to outside set gradually belting layer, braided shielding layer and restrictive coating jointly, is provided with fire-retardant filling layer in the gap between a plurality of groups of electric power transmission lines and the belting layer; the special photovoltaic information acquisition combination cable is characterized in that a plurality of groups of mutually independent signal transmission line pairs are arranged in the data cable, a wrapping tape layer, a woven shielding layer and a sheath layer are sequentially and commonly arranged outside the plurality of groups of signal transmission line pairs from inside to outside, a flame-retardant filling layer is arranged in a gap between the plurality of groups of signal transmission line pairs and the wrapping tape layer, connection points exist on the outer walls of the sheath layers of the power cable and the data cable along the length direction, and the wrapping tape layer and the flame-retardant filling layer are added to improve the overall performance of the cable.

Description

Special photovoltaic information acquisition combination cable

Technical Field

The utility model relates to a photovoltaic cable technical field specifically is a special type photovoltaic information acquisition combination cable.

Background

Solar energy technology will become one of green energy technology in the future, solar energy or photovoltaic is increasingly widely applied in China, during installation and maintenance, cables can be wired on sharp edges of outdoor structures, and meanwhile, the cables need to bear pressure, bending, tension, cross tensile load and strong impact; if the cable sheath strength is not enough and the information acquisition data transmission is not timely, the cable insulation layer is seriously damaged, so that the service life of the whole cable is influenced, or the problems of short circuit, fire, personnel injury danger and the like are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a special type photovoltaic information acquisition combination cable, through combining power cable and data cable to increase band layer and fire-retardant filling layer, with promotion cable wholeness ability, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a special photovoltaic information acquisition combination cable comprises an electric cable and a data cable which are arranged in parallel, wherein a plurality of groups of mutually insulated electric transmission lines are arranged in the electric cable, the outer layers of the plurality of groups of electric transmission lines are sequentially and commonly provided with a belting layer, a braided shielding layer and a sheath layer from inside to outside, and flame-retardant filling layers are arranged in gaps between the plurality of groups of electric transmission lines and the belting layer; the data cable is characterized in that a plurality of groups of mutually independent signal transmission line pairs are arranged inside the data cable, a belting layer, a woven shielding layer and a sheath layer are sequentially and jointly arranged outside the plurality of groups of signal transmission line pairs from inside to outside, a flame-retardant filling layer is arranged in a gap between the plurality of groups of signal transmission line pairs and the belting layer, and connecting points are arranged on the outer walls of the sheath layers of the power cable and the data cable along the length direction.

As an optimal technical scheme of the utility model, power cable the central axis department is provided with tensile wire rope.

As a preferred technical scheme of the utility model, data cable's the central axis department is provided with the drainage passageway, be provided with the drainage line in the drainage passageway.

As the utility model discloses a preferred technical scheme, power transmission line includes the conductive core, the conductive core outside parcel has flame retardant coating and insulating layer in proper order.

As a preferred technical scheme of the utility model, the signal transmission line pair includes two sets of signal transmission line of transposition each other, the outside parcel of signal transmission line has the insulating layer, the signal transmission line is to outside parcel wired pair shielding layer.

As an optimized technical scheme of the utility model, the band inside of data cable is provided with the flame retardant coating.

Compared with the prior art, the beneficial effects of the utility model are that: the special photovoltaic information acquisition combination cable has the functions of load and information data acquisition and transmission, and has the characteristics of high transmission rate, good insulating property, high tensile strength, high temperature and cold resistant climate resistance and good wire core deformation resistance; the cable can simultaneously transmit network data information and load current transmission in work, and can play a good role in safety protection of the working cable and the equipment terminal.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 power cable, 101 power transmission line, 102 tensile steel wire rope, 103 fire-resistant layer, 104 fire-retardant filling layer, 105 belting layer, 106 braided shielding layer, 107 sheathing layer, 2 data cable, 201 signal transmission line pair, 202 drainage line, 203 line pair shielding layer and 3 connection point.

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 work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a special photovoltaic information acquisition combination cable comprises a power cable 1 and a data cable 2 which are arranged in parallel, wherein a plurality of groups of power transmission lines 101 which are insulated from each other are arranged in the power cable 1, the outer layers of the plurality of groups of power transmission lines 101 are sequentially and commonly provided with a wrapping tape layer 105, a braided shielding layer 106 and a sheath layer 107 from inside to outside, and a flame-retardant filling layer 104 is arranged in a gap between the plurality of groups of power transmission lines 101 and the wrapping tape layer 105; a plurality of groups of mutually independent signal transmission line pairs 201 are arranged inside the data cable 2, a belting layer 105, a braided shielding layer 106 and a sheath layer 107 are sequentially and jointly arranged outside the plurality of groups of signal transmission line pairs 201 from inside to outside, a flame-retardant filling layer 104 is arranged in a gap between the plurality of groups of signal transmission line pairs 201 and the belting layer 105, and a connecting point 3 is arranged on the outer walls of the sheath layers 107 of the power cable 1 and the data cable 2 along the length direction.

Adopt the belting layer 105 of PET membrane material, the PP rope is as fire-retardant filling layer 104, irradiation crosslinked polyethylene material as the insulating layer, and low smoke and zero halogen hinders fuel as restrictive coating 107, effectively promotes the mutual insulating ability between each sinle silk of cable inside, and promotes holistic radial resistance to compression, bending resistance ability, effectively promotes holistic life.

A tensile steel wire rope 102 is arranged at the central axis of the power cable 1;

the axial anti ability of drawing of power cable 1 is effectively increased, combines the design with power cable 1 and data cable 2 simultaneously, promotes holistic tensile ability.

A drainage channel is arranged at the central axis of the data cable 2, and a drainage wire 202 is arranged in the drainage channel;

by increasing the structural design of the drainage hole and the drainage wire 202, the drainage capacity of interference signals inside the data cable 2 is improved, and the signal transmission noise is reduced.

The power transmission line 101 comprises a conductive wire core, and a fire-resistant layer 103 and an insulating layer are sequentially wrapped outside the conductive wire core;

the fireproof layer 103 mainly comprising the mica tape is added to the outside of the conductive wire core, so that the fireproof capacity of the conductive wire is improved, and the use safety of the conductive wire is ensured.

The signal transmission line pair 201 comprises two groups of signal transmission lines which are twisted with each other, an insulating layer is wrapped outside the signal transmission lines, and a line pair shielding layer 203 is wrapped outside the signal transmission line pair 201;

the insulating layer is added, the insulating capability between different transmission lines in the same line pair is improved, the line pair shielding layer 203 is added, and the anti-interference capability between different signal transmission line pairs 201 is improved.

The fire-resistant layer 103 is provided inside the tape layer 105 of the data cable 2.

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 special type photovoltaic information acquisition combination cable, includes parallel arrangement's power cable (1) and data cable (2), its characterized in that: a plurality of groups of mutually insulated power transmission lines (101) are arranged in the power cable (1), the outer layers of the power transmission lines (101) are sequentially and jointly provided with a belting layer (105), a braided shielding layer (106) and a sheath layer (107) from inside to outside, and flame-retardant filling layers (104) are arranged in gaps between the power transmission lines (101) and the belting layer (105); the data cable (2) is internally provided with a plurality of groups of mutually independent signal transmission line pairs (201), the outside of the plurality of groups of signal transmission line pairs (201) is sequentially and jointly provided with a belting layer (105), a woven shielding layer (106) and a sheath layer (107) from inside to outside, a flame-retardant filling layer (104) is arranged in a gap between the plurality of groups of signal transmission line pairs (201) and the belting layer (105), and the outer walls of the sheath layer (107) of the power cable (1) and the data cable (2) are provided with connecting points (3) along the length direction.

2. The special photovoltaic information acquisition combination cable of claim 1, wherein: and a tensile steel wire rope (102) is arranged at the central axis of the power cable (1).

3. The special photovoltaic information acquisition combination cable of claim 1, wherein: a drainage channel is arranged at the central axis of the data cable (2), and a drainage wire (202) is arranged in the drainage channel.

4. The special photovoltaic information acquisition combination cable of claim 1, wherein: the power transmission line (101) comprises a conductive wire core, and a fire-resistant layer (103) and an insulating layer are sequentially wrapped outside the conductive wire core.

5. The special photovoltaic information acquisition combination cable of claim 1, wherein: the signal transmission line pair (201) comprises two groups of signal transmission lines which are twisted with each other, an insulating layer wraps the outside of each signal transmission line, and a line pair shielding layer (203) wraps the outside of each signal transmission line pair (201).

6. The special photovoltaic information acquisition combination cable of claim 1, wherein: a fire-resistant layer (103) is arranged inside the belting layer (105) of the data cable (2).