CN220290491U

CN220290491U - Composite power cable based on various cable cores

Info

Publication number: CN220290491U
Application number: CN202321427829.0U
Authority: CN
Inventors: 沈在安; 朱高骏; 万宝祥
Original assignee: Jiangsu Changdejia Cable Co ltd
Current assignee: Jiangsu Changdejia Cable Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-01-02
Anticipated expiration: 2033-06-06

Abstract

The application discloses composite power cable based on multiple cable core, include by outer oversheath, armor and the interior sheath that sets gradually in to, be provided with a plurality of power cable cores, a plurality of signal cable cores and a skeleton unit in the interior sheath, still be provided with the copper sheet parcel layer that is used for wrapping up all signal cable cores in the interior sheath, skeleton unit department has a plurality of first holding tanks that can hold the power cable core and a plurality of second holding tanks that can hold the signal cable core, skeleton unit department still is provided with a plurality of anti stay cords. The utility model provides a compound power cable, current collection power transmission and signal transmission are as an organic whole to make things convenient for cable laying, and avoided the interference between the cable core, increased the bulk strength of cable through the skeleton unit, and improved the holistic tensile properties of cable through tensile rope.

Description

Composite power cable based on various cable cores

Technical Field

The utility model relates to the field of cables, in particular to a composite power cable based on various cable cores.

Background

With the continuous development of cable technology, the variety of cable is more diversified, and different cables correspond different functions and different application occasions, and when using, different functions need to be realized through many cables, and in order to save space and saving cost, many cables have not only taken up the space of installation and have still increased cable cost, and many cable wiring is comparatively complicated, not only has increaseed the work load of wiring but also has increased the degree of difficulty of installation, has consequently appeared in the market with the compound cable of different function integration.

The current combination cable that authorizes the publication number CN204732215U discloses, the cable core includes many electric cable cores and many signal cable cores to occupation space is little, conveniently lays, but all cable cores in this cable all are located the band in situ, in actual use, produce signal interference easily between each cable core, influence transmission quality, and this holistic mechanical strength of cable is weaker, be difficult to bear the pressure and draw from the external world, in installation or maintenance in-process, the staff needs the cable of drawing of commonality, lead to the cable to break easily, the life of cable has been shortened.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a composite power cable based on various cable cores.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a compound power cable, includes oversheath, armor and the interior sheath that sets gradually from outside to inside, be provided with a plurality of power cable cores, a plurality of signal cable core and a skeleton unit in the interior sheath, the power cable core includes from inside to outside first conductor, first insulating layer, first fire-retardant layer, first shielding layer and the power cable core sheath that sets gradually, the signal cable core includes from inside to outside second conductor, second insulating layer, second shielding layer, fire-retardant layer of second and signal cable core sheath that sets gradually, the shielding layer is woven for the copper wire to the second shielding layer, still be provided with the copper sheet parcel layer that is used for parcel all signal cable cores in the interior sheath, skeleton unit department has a plurality of can hold the first holding tank and a plurality of can hold of power cable core the second holding tank of signal cable core, skeleton unit department still is provided with a plurality of anti stay cords.

Preferably, the number of the power cable cores is three, the three power cable cores are distributed in an annular equidistant manner, and the number of the first accommodating grooves is two, wherein the two power cable cores are respectively accommodated in the two first accommodating grooves;

thereby the skeleton unit can play fine supporting role to the power cable core.

Preferably, the plurality of signal cable cores are distributed at equal intervals in a straight line shape, the number of the second accommodating grooves is the same as that of the signal cable cores and corresponds to that of the signal cable cores one by one, and the signal cable cores are accommodated in the second accommodating grooves corresponding to the signal cable cores;

therefore, the skeleton unit can play a good supporting role on the signal cable core.

Preferably, a plurality of the tensile ropes are distributed in a straight shape at equal intervals;

thus, the composite power cable has better tensile property.

Preferably, the skeleton unit is of a strip-shaped structure, and the power cable core and the signal cable core are respectively positioned at two sides of the skeleton unit;

thereby improving the stability of the overall structure of the composite power cable, and the power cable core and the signal cable core can not interfere with each other.

Preferably, the structure of the composite power cable is a circular structure;

so that the structure of the composite power cable is more compact.

Compared with the prior art, the utility model has the following beneficial effects:

1. the composite power cable has a plurality of power cable cores and a plurality of signal cable cores to collect power transmission and signal transmission as an organic wholely, conveniently lay wire, improve work efficiency.

2. The inside has skeleton unit, has optimized the inner structure of cable, has increased the bulk strength of cable, and has improved the holistic tensile property of cable through tensile rope.

3. All the signal cable cores are wrapped by the copper sheet wrapping layer, so that the interference between the power cable core and the signal cable core can be effectively avoided.

Drawings

FIG. 1 is a schematic view of a first perspective of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view of a second perspective of the overall structure of the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 3 at B;

reference numerals illustrate: 1, an outer sheath; 2 armor layer; 3 an inner protective layer; 4, an electric cable core; 4.1 a first conductor; 4.2 a first insulating layer; 4.3 a first flame retardant layer; 4.4 a first shielding layer; 4.5 a power cable core sheath; 5 a signal cable core; 5.1 a second conductor; 5.2 a second insulating layer; 5.3 a second shielding layer; 5.4 a second flame retardant layer; 5.5 a signal cable core sheath; 5.6 copper sheet wrapping layer; 6 skeleton units; 6.1 pulling resistance rope.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a composite power cable based on multiple cable cores as shown in fig. 1-4, which comprises an outer sheath 1, an armor layer 2 and an inner sheath 3 which are sequentially arranged from outside to inside, wherein a plurality of power cable cores 4, a plurality of signal cable cores 5 and a skeleton unit 6 are arranged in the inner sheath 3, the power cable cores 4 comprise a first conductor 4.1, a first insulating layer 4.2, a first flame retardant layer 4.3, a first shielding layer 4.4 and a power cable core sheath 4.5 which are sequentially arranged from inside to outside, the signal cable cores 5 comprise a second conductor 5.1, a second insulating layer 5.2, a second shielding layer 5.3, a second flame retardant layer 5.4 and a signal cable core 5.5 which are sequentially arranged from inside to outside, the inner sheath 3 is also internally provided with all wrapping layers 5.6 for the signal cable cores 5, the skeleton unit 6 is provided with a plurality of copper sheets capable of containing the first cable cores 4 and the second skeleton unit 6, and the plurality of rope containing grooves 6 can be further arranged at the skeleton unit 6.

The power cable cores 4 are three, the three power cable cores 4 are distributed in an annular equidistant mode, and the number of the first accommodating grooves is two, wherein the two power cable cores 4 are respectively accommodated in the two first accommodating grooves; the signal cable cores 5 are distributed in a straight line at equal intervals, the number of the second accommodating grooves is the same as that of the signal cable cores 5 and corresponds to that of the signal cable cores one by one, and the signal cable cores 5 are accommodated in the second accommodating grooves corresponding to the signal cable cores; the tensile ropes 6.1 are distributed at equal intervals in a straight shape; the skeleton unit 6 is of a strip-shaped structure, and the power cable core 4 and the signal cable core 5 are respectively positioned at two sides of the skeleton unit 6; the structure of the composite power cable is a circular structure.

Working principle: the composite power cable has the plurality of power cable cores and the plurality of signal cable cores, so that the power transmission and the signal transmission are integrated, wiring is convenient, the occupied space in construction is small, and the working efficiency is improved while the space is saved; the inside skeleton unit that has of cable to optimize the inner structure of cable, electric cable core and signal cable core are located the both sides of skeleton unit respectively, have optimized the inner structure of cable, and have increased the bulk strength of cable, wrap up all signal cable cores through the copper sheet parcel layer, thereby can effectually avoid the interference between electric cable core and the signal cable core, skeleton unit department has still set up anti stay cord, thereby when the cable is receiving external force to draw, anti stay cord can provide fine tensile properties, and then can prolong the life of cable.

While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the utility model as defined in the following claims.

Claims

1. Composite power cable based on multiple cable core, its characterized in that includes oversheath (1), armor (2) and interior sheath (3) that set gradually by outer to interior, be provided with a plurality of electric cable cores (4), a plurality of signal cable cores (5) and a skeleton unit (6) in interior sheath (3), electric cable core (4) are including first conductor (4.1), first insulating layer (4.2), first fire-retardant layer (4.3), first shielding layer (4.4) and electric cable core sheath (4.5) that set gradually by interior to outer, signal cable core (5) are including second conductor (5.1), second insulating layer (5.2), second shielding layer (5.3), a plurality of signal cable cores (5.4) and signal cable core (5.5) that set gradually from interior to exterior, second shielding layer (5.3) are the copper wire braided shielding layer, still be provided with in interior sheath (3) and be used for parcel copper sheet core (6) and have a plurality of signal cable core units (6.6) can hold groove (6) in the skeleton unit (6).

2. The composite power cable based on multiple cable cores according to claim 1, wherein the power cable cores (4) have three, three power cable cores (4) are distributed in a ring shape at equal intervals, and the first accommodation grooves have two, wherein two power cable cores (4) are accommodated in the two first accommodation grooves, respectively.

3. The composite power cable based on multiple cable cores according to claim 1, wherein a plurality of the signal cable cores (5) are distributed in a straight line shape at equal intervals, the number of the second accommodating grooves is the same as that of the signal cable cores (5) and corresponds to one of the signal cable cores, and the signal cable cores (5) are accommodated in the corresponding second accommodating grooves.

4. The composite power cable based on multiple cable cores according to claim 1, characterized in that a plurality of said tensile cords (6.1) are distributed in a straight equidistant manner.

5. The composite power cable based on multiple cable cores according to claim 1, wherein the skeleton unit (6) is of a strip-shaped structure, and the power cable core (4) and the signal cable core (5) are respectively located at two sides of the skeleton unit (6).

6. The multiple-core based composite power cable of claim 1, wherein the composite power cable has a circular configuration.