CN218274039U

CN218274039U - Copper core PVC sheath cable

Info

Publication number: CN218274039U
Application number: CN202221756904.3U
Authority: CN
Inventors: 杨郁春
Original assignee: Guangdong Guicheng Cable Co ltd
Current assignee: Guangdong Guicheng Cable Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-10
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a copper core PVC sheath cable, including conductor, filling layer and bracing piece, the internal shield layer is installed in the conductor outside, the insulating layer is installed in the internal shield layer outside, the external shield layer is installed in the insulating layer outside, soft copper strip layer is installed in the external shield layer outside, the soft copper strip layer outside is provided with the filling layer, the filling layer outside is provided with the band layer, the band layer outside is provided with the oversheath, the oversheath outside is connected with the bracing piece, bracing piece one end is connected with the baffle. Has the advantages that: the utility model discloses a set up bracing piece, baffle and protection network, can make and leave the clearance through the bracing piece between baffle and the cable to shelter from soil through the baffle, then at the cable in-process, make the cable heat pass through and flow between baffle and the cable, and remove to soil through the protection network in, improve the radiating efficiency of cable, reduce the operating temperature of cable.

Description

Copper core PVC sheath cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to copper core PVC sheath cable.

Background

Typically a rope-like cable made up of several or groups of conductors twisted about each other, with each group insulated from the other and often twisted about a center, with a highly insulating coating covering the entire outside. The cable has the characteristics of internal electrification and external insulation.

Current copper core PVC sheath cable is in the use, through directly laying the cable and transmitting electricity in the subsurface, and when using, the cable outside directly contacts with soil, and the air permeability of soil is relatively poor to lead to the radiating efficiency of cable to reduce, improve the operating temperature of cable, consequently need a copper core PVC sheath cable to solve current problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, now provide a copper core PVC sheath cable, solved current copper core PVC sheath cable in the use, through directly laying the cable and transmitting electricity in the subsurface, and when using, the cable outside is direct to be contacted with soil, and the air permeability of soil is relatively poor to lead to the radiating efficiency of cable to reduce, improve the operating temperature's of cable problem.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a copper core PVC sheath cable, including conductor, filling layer and bracing piece, the internal shield layer is installed in the conductor outside, the insulating layer is installed in the internal shield layer outside, the external shield layer is installed in the insulating layer outside, soft copper strip layer is installed in the external shield layer outside, the soft copper strip layer outside is provided with the filling layer, the filling layer outside is provided with the band layer, the band layer outside is provided with the oversheath, the oversheath outside is connected with the bracing piece, bracing piece one end is connected with the baffle, install the protection network on the baffle.

Furthermore, the inner shielding layer is bonded with the conductors, the conductors are made of copper materials, and the number of the conductors is three.

By adopting the technical scheme, the conductor can conduct electricity, then the inner shielding layer can homogenize the electric field on the surface of the conductor, and the conductor and the insulating layer are prevented from generating a gap to cause partial discharge.

Furthermore, the insulating layer is bonded with the inner shielding layer, and the insulating layer is bonded with the outer shielding layer.

By adopting the technical scheme, the insulating layer can isolate the conductor to prevent people from being injured by electric shock, and the outer shielding layer can be uniform to protect the insulating layer from being damaged by the electric field on the outer surface of the insulating layer.

Furthermore, the soft copper strip layer is bonded with the outer shielding layer, and the filling layer is bonded with the soft copper strip layer.

By adopting the technical scheme, the soft copper belt layer has large current-carrying capacity and better overload resistance in short circuit, and the filling layer can fix the conductor to prevent displacement.

Further, the belting layer is bonded with the filling layer, and the outer sheath is bonded with the belting layer.

By adopting the technical scheme, the belting layer and the outer sheath can protect the cable.

Furthermore, the bracing piece with the baffle bonds, the bracing piece has four, the protection network with the baffle bonds, the protection network has four, the protection network is the smart steel material.

By adopting the technical scheme, a gap is reserved between the baffle and the cable through the supporting rod, the baffle shields soil, and then in the cable process, the heat of the cable flows between the baffle and the cable and moves to the soil through the protective net.

(III) advantageous effects

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

for solving current copper core PVC sheath cable in the use, through directly laying the cable and transmitting electricity under the earth's surface, and when using, the cable outside directly contacts with soil, and the air permeability of soil is relatively poor to lead to the radiating efficiency of cable to reduce, improve the operating temperature's of cable problem, the utility model discloses a set up bracing piece, baffle and protection network, can make and leave the clearance through the bracing piece between baffle and the cable to shelter from soil through the baffle, then at the cable in-process, make the cable heat pass through and flow between baffle and the cable, and remove to soil through the protection network in, improve the radiating efficiency of cable, reduce the operating temperature of cable.

Drawings

Fig. 1 is a front view of a copper core PVC sheathed cable according to the present invention;

fig. 2 is a left side cross-sectional view of the copper core PVC sheath cable of the present invention.

The reference numerals are explained below:

1. a conductor; 2. an inner shield layer; 3. an insulating layer; 4. an outer shield layer; 5. a soft copper tape layer; 6. a filling layer; 7. a belting layer; 8. an outer sheath; 9. a support bar; 10. a baffle plate; 11. and (4) a protective net.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-2, a copper core PVC sheathed cable in this embodiment includes a conductor 1, a filler layer 6 and a support rod 9, an inner shield layer 2 is installed outside the conductor 1, the inner shield layer 2 can uniformize a surface electric field of the conductor 1, and prevent a gap from being generated between the conductor 1 and an insulating layer 3 to cause partial discharge, the insulating layer 3 is installed outside the inner shield layer 2, the insulating layer 3 can prevent people from being injured by electric shock to the isolating conductor 1, an outer shield layer 4 is installed outside the insulating layer 3, the outer shield layer 4 can uniformize an outer surface electric field of the insulating layer 3, and protect the insulating layer 3 from being damaged, a soft copper tape layer 5 is installed outside the outer shield layer 4, the soft copper tape layer 5 has a large current-carrying capacity, and has a good overload resistance in a short circuit, the filler layer 6 is installed outside the soft copper tape layer 5, the filler layer 6 can fix the conductor 1, and prevent displacement, a tape layer 7 is installed outside the filler layer 6, an outer sheath 8 is installed outside the filler layer 7, an outer sheath 8 can be provided outside the outer sheath layer 7 and the outer sheath 8 can protect the cable, a support rod 8 is connected outside the cable 8, a gap is left between the support rod 10 and the cable, one end of the support rod 9 is connected with a baffle 10, a soil-shielding protective net 11, the baffle 10 can shield 11, and a soil-shielding net 11 can be installed on the cable, and the baffle 10, and soil can enter the cable 10, and soil-shielding layer 11.

As shown in fig. 1 to 2, in the present embodiment, the inner shield layer 2 is bonded to the conductor 1, the conductor 1 is made of copper, the number of the conductors 1 is three, the insulating layer 3 is bonded to the inner shield layer 2, and the insulating layer 3 is bonded to the outer shield layer 4.

As shown in fig. 1-2, in the present embodiment, the soft copper tape layer 5 is bonded to the outer shielding layer 4, the filler layer 6 is bonded to the soft copper tape layer 5, the tape layer 7 is bonded to the filler layer 6, and the outer sheath 8 is bonded to the tape layer 7.

As shown in fig. 1-2, in the present embodiment, the supporting rods 9 are bonded to the baffles 10, there are four supporting rods 9, the protective nets 11 are bonded to the baffles 10, there are four protective nets 11, and the protective nets 11 are made of fine steel.

The specific implementation process of this embodiment is as follows: when the cable is used, a worker lays a cable under the ground surface for use, in the use process, the cable is conducted through the conductor 1, then the inner shielding layer 2 can be used for homogenizing the electric field on the surface of the conductor 1, the phenomenon that partial discharge is caused by the generation of a gap between the conductor 1 and the insulating layer 3 is prevented, the insulating layer 3 can be used for preventing people from being injured by electric shock on the isolating conductor 1, the outer shielding layer 4 can be used for homogenizing the electric field on the outer surface of the insulating layer 3, the insulating layer 3 is protected from being damaged, the current carrying capacity of the soft copper tape layer 5 is large, the anti-overload capacity is good in short circuit, the filling layer 6 can be used for fixing the conductor 1 and preventing displacement, the tape layer 7 and the outer sheath 8 are used for protecting the cable, meanwhile, a gap is reserved between the baffle 10 and the cable through the supporting rod 9, soil is shielded through the baffle 10, then in the cable process, the heat of the cable flows between the baffle 10 and the cable, and moves into the soil through the protective net 11, the heat dissipation efficiency of the cable is improved, and the working temperature of the cable is reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a copper core PVC sheath cable which characterized in that: including conductor (1), filling layer (6) and bracing piece (9), inner shield layer (2) are installed in conductor (1) outside, insulating layer (3) are installed in inner shield layer (2) outside, outer shield layer (4) are installed in insulating layer (3) outside, soft copper tape layer (5) are installed in outer shield layer (4) outside, soft copper tape layer (5) outside is provided with filling layer (6), the filling layer (6) outside is provided with band layer (7), the band layer (7) outside is provided with oversheath (8), oversheath (8) outside is connected with bracing piece (9), bracing piece (9) one end is connected with baffle (10), install protection network (11) on baffle (10).

2. The copper core PVC sheathed cable of claim 1, wherein: the inner shielding layer (2) is adhered to the conductors (1), the conductors (1) are made of copper materials, and the number of the conductors (1) is three.

3. The copper-core PVC jacketed cable of claim 1, wherein: the insulating layer (3) is adhered to the inner shielding layer (2), and the insulating layer (3) is adhered to the outer shielding layer (4).

4. The copper core PVC sheathed cable of claim 1, wherein: the soft copper strip layer (5) is bonded with the outer shielding layer (4), and the filling layer (6) is bonded with the soft copper strip layer (5).

5. The copper core PVC sheathed cable of claim 1, wherein: the wrapping layer (7) is bonded with the filling layer (6), and the outer sheath (8) is bonded with the wrapping layer (7).

6. The copper-core PVC jacketed cable of claim 1, wherein: the supporting rods (9) are bonded with the baffles (10), the number of the supporting rods (9) is four, the protective nets (11) are bonded with the baffles (10), the number of the protective nets (11) is four, and the protective nets (11) are made of fine steel materials.