CN211654383U

CN211654383U - Optical fiber composite power cable

Info

Publication number: CN211654383U
Application number: CN202020767495.1U
Authority: CN
Inventors: 钱东召; 王成刚
Original assignee: Jiangsu Dongnan Jiaolian Power Cable Co ltd
Current assignee: Jiangsu Dongnan Jiaolian Power Cable Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-10-09
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a compound power cable of optic fibre, including three conductor, it is three the outer wall of conductor is fixed to be equipped with same buffer board, and the inside cushion chamber that is equipped with of buffer board, the inner wall equidistance of the inside cushion chamber of buffer board is equipped with buffer spring, and is three the outer wall of conductor is equipped with same conductor shielding layer, and the outer wall of conductor shielding layer is equipped with the XLPE insulating layer, the outer wall of XLPE insulating layer is equipped with the filling layer, and the outer wall of filling layer is equipped with the insulation shielding layer, the outer wall of insulation shielding layer is equipped with the buffer layer, and the outer wall of buffer layer is equipped with inner sheath layer. The utility model discloses a be provided with the buffer board, the inside packing of buffer board has buffer spring, and the buffer board is installed in the junction of a plurality of conductors, when carrying out the cable and winding up, and the dynamics that receives when the inside buffer spring of buffer board reduces the bending protects the conductor, simultaneously, contactless between each conductor prevents the production of friction, further protects the conductor.

Description

Optical fiber composite power cable

Technical Field

The utility model relates to a power cable technical field especially relates to a compound power cable of optic fibre.

Background

Cable (electric cable): usually consists of several or several groups of wires, and in order to improve the use value and service life of the cable, a plurality of protective layers are generally arranged on the outer wall of the cable.

The existing optical fiber composite power cable has the following defects: the cable is when rolling up, because inside current a plurality of conductors are fixed in same XLPE insulating layer, during the wiring, a plurality of conductors produce extrusion friction, and long-term the winding can lead to the conductor junction to appear deformation, influences the use value of this conductor, and simultaneously, long-term the back of rolling up is laid, makes the tie point appear damaged because of the friction easily, influences the performance of this conductor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an optical fiber composite power cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound power cable of optic fibre, includes three conductor, it is three the outer wall of conductor is fixed and is equipped with same buffer board, and the inside cushion chamber that is equipped with of buffer board, the inner wall equidistance of the inside cushion chamber of buffer board is equipped with buffer spring.

Furthermore, the outer wall of three conductor is equipped with same conductor shielding layer, and the outer wall of conductor shielding layer is equipped with the XLPE insulating layer.

Furthermore, the outer wall of the XLPE insulating layer is provided with a filling layer, and the outer wall of the filling layer is provided with an insulating shielding layer.

Furthermore, the outer wall of the insulation shielding layer is provided with a buffer layer, and the outer wall of the buffer layer is provided with an inner sheath layer.

Furthermore, the outer wall of the inner sheath layer is provided with a corrugated aluminum sheath, and the outer wall of the corrugated aluminum sheath is provided with an outer sheath layer.

Further, a semiconductor coating is coated on the outer wall of the outer sheath layer.

Further, the inner wall of the filling layer is filled with calcium chloride filling.

The utility model has the advantages that:

1. through being provided with the buffer board, the inside packing of buffer board has buffer spring, and the buffer board is installed in the junction of a plurality of conductors, when carrying out the cable and rolling up, and the dynamics that receives when the inside buffer spring of buffer board reduces the bending protects the conductor, and simultaneously, contactless prevents frictional production between each conductor, further protects the conductor.

2. Through having the calcium chloride filler in the filling layer, if the multilayer in the filling layer outside appears damaged, the water gets into the filling layer, and the calcium chloride filler in the filling layer can absorb the water, prevents that it from causing the damage to the XLPE insulating layer, improves the use value of this cable.

Drawings

Fig. 1 is a schematic structural diagram of an optical fiber composite power cable according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a buffer plate of an optical fiber composite power cable according to the present invention;

fig. 3 is a schematic structural diagram of an optical fiber composite power cable according to embodiment 2 of the present invention.

In the figure: 1-semiconductor coating, 2-buffer spring, 3-outer sheath layer, 4-corrugated aluminum sheath, 5-buffer cavity, 6-XLPE insulating layer, 7-conductor, 8-conductor shielding layer, 9-filling layer, 10-insulating shielding layer, 11-buffer plate, 12-buffer layer, 13-inner sheath layer and 14-calcium chloride filler.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a compound power cable of optic fibre, including three conductor 7, the fixed same buffer board 11 that is equipped with of outer wall of three conductor 7, and the inside cushion chamber 5 that is equipped with of buffer board 11, the inner wall equidistance of the inside cushion chamber 5 of buffer board 11 is equipped with buffer spring 2, when carrying out the cable and rolling up, the dynamics that receives when buffer spring 2 inside buffer board 11 reduces the bending protects conductor 7, simultaneously, contactless between each conductor 7, prevent frictional production, further protect conductor 7.

Wherein, the outer wall of three conductor 7 is equipped with same conductor shielding layer 8, and the outer wall of conductor shielding layer 8 is equipped with XLPE insulating layer 6.

Wherein, the outer wall of XLPE insulating layer 6 is equipped with filling layer 9, and the outer wall of filling layer 9 is equipped with insulating shielding layer 10.

Wherein, the outer wall of insulating shield 10 is equipped with buffer layer 12, and the outer wall of buffer layer 12 is equipped with inner sheath layer 13.

Wherein, the outer wall of inner sheath layer 13 is equipped with wrinkle aluminium sheath 4, and the outer wall of wrinkle aluminium sheath 4 is equipped with oversheath layer 3.

Wherein, the outer wall of the outer sheath layer 3 is coated with a semiconductor coating 1.

The working principle is as follows: when carrying out the wiring to the cable, the crooked dynamics that conductor 7 received when 11 inside buffer spring 2 of buffer board reduced the bending to the protection conductor, simultaneously, buffer board 11's existence makes each conductor 7 between not contact each other, prevents that the friction from causing wearing and tearing to conductor 7.

Example 2

Referring to fig. 2-3, compared with embodiment 1, an optical fiber composite power cable has calcium chloride filler 14 filled in the inner wall of a filling layer 9, and if a plurality of layers outside the filling layer 9 are damaged, a water body enters the filling layer 9, and the calcium chloride filler 14 in the filling layer 9 can absorb the water body, so as to prevent the water body from damaging an XLPE insulating layer 6, and improve the use value of the cable.

The working principle is as follows: when carrying out the wraparound to the cable, the crooked dynamics that conductor 7 received when 11 inside buffer spring 2 of buffer board reduced the bending to the protection conductor, simultaneously, buffer board 11's existence makes each conductor 7 between each not contact each other, prevents that friction from causing wearing and tearing to conductor 7, receives the damage when the multilayer in the filling layer 9 outside, and the water gets into in the filling layer 9, and calcium chloride filler 14 in the filling layer 9 absorbs the water, prevents that it from influencing inboard XLPE insulating layer.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a compound power cable of optic fibre, includes three conductor (7), its characterized in that, it is three the outer wall of conductor (7) is fixed and is equipped with same buffer board (11), and buffer board (11) inside is equipped with cushion chamber (5), the inner wall equidistance of the inside cushion chamber (5) of buffer board (11) is equipped with buffer spring (2).

2. An optical fibre composite power cable according to claim 1, characterized in that the outer walls of three of said conductors (7) are provided with one and the same conductor shield (8), and that the outer wall of the conductor shield (8) is provided with an XLPE insulation (6).

3. An optical fibre composite power cable according to claim 2, characterized in that the outer wall of said XLPE insulation (6) is provided with a filling layer (9) and the outer wall of the filling layer (9) is provided with an insulation shield (10).

4. An optical fibre composite power cable according to claim 3, characterized in that the outer wall of the insulating and shielding layer (10) is provided with a buffer layer (12) and the outer wall of the buffer layer (12) is provided with an inner jacket layer (13).

5. An optical fibre composite power cable according to claim 4, characterized in that the outer wall of the inner sheath layer (13) is provided with a corrugated aluminium sheath (4) and the outer wall of the corrugated aluminium sheath (4) is provided with an outer sheath layer (3).

6. An optical fibre composite power cable according to claim 5, characterized in that the outer wall of the outer sheath layer (3) is coated with a semi-conductive coating (1).

7. An optical fibre composite power cable according to any one of claims 3-6, characterized in that the inner wall of the filler layer (9) is filled with calcium chloride filler (14).