CN216697933U

CN216697933U - Crosslinked polyethylene low-smoke halogen-free sheath and control cable

Info

Publication number: CN216697933U
Application number: CN202122080927.9U
Authority: CN
Inventors: 徐磊; 席素玲; 李仲宏; 曾天良; 胡朝孙; 张怀广
Original assignee: Yangzhou Huacheng Cable Co Ltd
Current assignee: Yangzhou Huacheng Cable Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-06-07
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a crosslinked polyethylene low-smoke halogen-free sheath and control cable in the technical field of power cables, which comprises a main conductor, wherein an insulating layer is arranged outside the main conductor, a wrapping layer is arranged outside the insulating layer, the control cable is arranged at the center of a main conductor in the wrapping layer, a wrapping layer is arranged outside the wrapping layer, a shielding layer is arranged outside the wrapping layer, and an outer sheath is arranged outside the shielding layer.

Description

Crosslinked polyethylene low-smoke halogen-free sheath and control cable

Technical Field

The utility model relates to the technical field of power cables, in particular to a crosslinked polyethylene low-smoke halogen-free sheath and control cable.

Background

The power cable is a cable product which is mainly used for transmitting and distributing high-power electric energy in a line of a power system, but in many occasions at present, a control function needs to be added while electric energy is transmitted, so that the cable with the control function has to be additionally laid, the engineering capital investment is greatly increased, a large amount of manpower and material resources are consumed, the laying engineering is complicated, and the resource cost is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crosslinked polyethylene low-smoke halogen-free sheath and control cable to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: crosslinked polyethylene low smoke and zero halogen sheath adds control cable, including leading the body, leading external portion is equipped with the insulating layer, the insulating layer outside is the parcel layer, main conductor center department is equipped with control cable in the parcel layer, the parcel layer outside is equipped with around the covering, be equipped with the shielding layer around the covering outside, the shielding layer outside is equipped with the oversheath.

Preferably, the control cable comprises a copper conductor, a control wrapping layer, a control insulating layer, a braided shielding layer and a control sheath, wherein the control insulating layer is arranged outside the copper conductor, the control wrapping layer is arranged outside the control insulating layer, the braided shielding layer is arranged outside the control wrapping layer, and the control sheath is arranged outside the braided shielding layer.

Preferably, the main conductors are provided with six groups, and the six groups of main conductors are arranged outside the control cable in an annular array.

Preferably, the copper conductors are provided with three groups, and the three groups of copper conductors are mutually wound.

Preferably, the outer sheath and the control sheath are both low-smoke halogen-free sheaths.

Preferably, the insulating layer outside the main conductor and the control insulating layer outside the copper conductor are both made of cross-linked polyethylene.

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

1. through leading body, copper conductor, insulating layer and control insulation layer, all adopt low smoke and zero halogen material to make, make the insulating and fire behavior of cable better to improve the reliability and the durability of cable, and the burning also can not produce steamed gas, the non-staining air and harmless to the human body.

2. Adopt leading body, parcel layer, control cable, around covering, control parcel layer and copper conductor, copper conductor intertwine guarantees copper conductor stable in structure, through the parcel layer with around the covering with control cable and power cable synthetic an organic whole, realize once only laying to can save a large amount of fund input and manpower and materials, practice thrift engineering cost.

Drawings

FIG. 1 is a schematic view of a cross-linked polyethylene low smoke halogen-free sheath and control cable structure according to the present invention;

fig. 2 is a schematic view of the control cable structure of the present invention.

In the figure: 1. a primary conductor; 2. an insulating layer; 3. a wrapping layer; 4. wrapping a covering; 5. a shielding layer; 6. a control cable; 61. a copper conductor; 62. controlling the wrapping layer; 63. a control insulating layer; 64. weaving a shielding layer; 65. A control sheath; 7. an outer sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution: crosslinked polyethylene low smoke does not have steamed sheath and adds control cable, including leading body 1, leading body 1 outside is equipped with insulating layer 2, the insulating layer outside is

parcel layer

3, 1 center department of main conductor is equipped with control cable 6 in

parcel layer

3, 3 outsides on parcel layer are equipped with around covering 4, be equipped with shielding layer 5 around covering 4 outside, shielding layer 5 outside is equipped with oversheath 7, and it is direct will utilize resin adhesive bonding to bond around covering 4 and shielding layer 5, and bond by the bonding agent between shielding layer 5 and the oversheath 7, and the thickness of oversheath 7 is 8-10mm, have high wear resistance.

In this embodiment, please refer to fig. 2, the control cable 6 includes a copper conductor 61, a control wrapping layer 62, a control insulating layer 63, a braided shielding layer 64 and a control sheath 65, the control insulating layer 63 is disposed outside the copper conductor 61, the control wrapping layer 62 is disposed outside the control insulating layer 63, the braided shielding layer 64 is disposed outside the control wrapping layer 62, the control sheath 65 is disposed outside the braided shielding layer 64, the control ribbon cable 6 is located at the center of the power cable, so as to effectively ensure the stability of the control cable 6 and prevent the control cable 6 from being damaged.

In this embodiment, please refer to fig. 1, six groups of main conductors 1 are arranged, the six groups of main conductors 1 are arranged outside the control cable 6 in an annular array, and the outer wall of the main conductor 1 is respectively connected with the outer wall of the control cable 6 and the inner wall of the wrapping layer 4, so as to improve the overall stability of the power cable.

In this embodiment, referring to fig. 2, three sets of copper conductors 61 are disposed, and the three sets of copper conductors 61 are wound around each other to form a stranded conductor, which has high stability.

In this embodiment, referring to fig. 1 and fig. 2, the outer sheath 7 and the control sheath 65 are both low-smoke halogen-free sheaths, and the sheath material has the characteristics of excellent cracking resistance, small thermal shrinkage, easy processing, small taste, no halogen, low smoke, flame retardancy, and the like, so that the service life of the power cable is prolonged.

In this embodiment, referring to fig. 1 and fig. 2, the insulating layer 2 outside the main conductor 1 and the control insulating layer 63 outside the copper conductor 61 are both made of cross-linked polyethylene, and the cross-linked polyethylene is used as insulation, so that the temperature resistance is 90 degrees, the current-carrying capacity is large, the performance of the material is improved, and the service lives of the power cable and the control cable 6 are prolonged.

Claims

1. Crosslinked polyethylene low smoke and zero halogen sheath adds control cable, including leading body (1), its characterized in that: an insulating layer (2) is arranged outside the main conductor (1), a wrapping layer (3) is arranged outside the insulating layer, a control cable (6) is arranged at the center of the main conductor (1) in the wrapping layer (3), a wrapping layer (4) is arranged on the outer side of the wrapping layer (3), a shielding layer (5) is arranged outside the wrapping layer (4), an outer sheath (7) is arranged outside the shielding layer (5), the control cable (6) comprises a copper conductor (61), a control wrapping layer (62), a control insulating layer (63), a braided shielding layer (64) and a control sheath (65), a control insulating layer (63) is arranged outside the copper conductor (61), a control wrapping layer (62) is arranged outside the control insulating layer (63), the control wrapping layer (62) is externally provided with a braided shielding layer (64), and the braided shielding layer (64) is externally provided with a control sheath (65).

2. The crosslinked polyethylene low smoke halogen-free sheath plus control cable of claim 1, wherein: the main conductor (1) is provided with six groups, and the six groups of the main conductor (1) are arranged outside the control cable (6) in an annular array.

3. The crosslinked polyethylene low-smoke halogen-free sheath plus control cable of claim 2, characterized in that: the copper conductors (61) are provided with three groups, and the three groups of copper conductors (61) are wound with each other.

4. The crosslinked polyethylene low smoke halogen-free sheath plus control cable of claim 1, wherein: the outer sheath (7) and the control sheath (65) are both low-smoke halogen-free sheaths.

5. The crosslinked polyethylene low smoke halogen-free sheath plus control cable of claim 1, wherein: the insulating layer (2) outside the main conductor (1) and the control insulating layer (63) outside the copper conductor (61) are both made of cross-linked polyethylene.