CN211828217U

CN211828217U - Aluminum alloy instrument cable

Info

Publication number: CN211828217U
Application number: CN202020766196.6U
Authority: CN
Inventors: 张聪; 刘文婧; 庞磊
Original assignee: TIANJIN BEIDA CABLE GROUP CO Ltd
Current assignee: TIANJIN BEIDA CABLE GROUP CO Ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-10-30
Anticipated expiration: 2030-05-11

Abstract

The utility model belongs to the wire and cable field relates to an aluminum alloy instrument cable, include: the utility model discloses a main line core, a plurality of time sinle silk, earth core, first protective layer, second protective layer and third protective layer, wherein, main line core, a plurality of time sinle silks and earth core are annular in proper order and are arranged, and first protective layer sets up in the main line core, a plurality of time sinle silks and the earth core outside, and second protective layer and third protective layer set gradually in the first protective layer outside, and the main line core includes: the cable comprises a main cable core conductor, and a main cable core insulation shielding layer, a main cable core insulation layer and a main cable core braided shielding layer which are sequentially arranged on the outer side of the main cable core conductor, wherein the main cable core conductor is an aluminum alloy conductor, the main cable core insulation shielding layer is a semi-conductive shielding layer, and the main cable core insulation layer is crosslinked polyethylene insulation. This aluminum alloy instrument cable integration main line core, secondary core and earth core realize the transmission and the signal control of the electric power energy, through the setting of polyolefin sheath and the chain armor of aluminum alloy, improve the security performance and the feature of environmental protection of cable.

Description

Aluminum alloy instrument cable

Technical Field

The utility model belongs to the wire and cable field especially relates to an aluminum alloy instrument cable.

Background

Wire and cable, which is known as industrial nerve, is an important device for transmitting energy and signals. With the continuous deepening of industrialization, the requirements of application terminals on wires and cables are continuously improved. In industrial production and scientific research, instruments are important equipment and devices for representing various parameters, and are operated by using electric energy, signals and data transmitted by electric wires and cables. The existing instrument cable has the following defects in practical application: 1) when the integrated combination mode is adopted, data transmission is influenced by electric energy and signal control transmission, fluctuation is easy to generate, and particularly when the requirement on data transmission accuracy is high, partial distortion can be generated and the requirement cannot be met; 2) when the transmission is carried out by adopting an independent line mode, the line integration level is low, and larger laying and installation space is required to be occupied.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an aluminum alloy instrument cable.

According to the utility model discloses an aspect provides an aluminum alloy instrument cable, include: the thread core 1, a plurality of time sinle silk 2, earth core 3, first protective layer 4, second protective layer 5 and third protective layer 6, wherein, thread core 1, a plurality of time sinle silk 2 and earth core 3 are arranged at the annular in proper order, and first protective layer 4 sets up in the thread core 1, a plurality of time sinle silk 2 and the 3 outsides of earth core, and second protective layer 5 and third protective layer 6 set gradually in the 4 outsides of first protective layer, and thread core 1 includes: the main line core conductor 11 and set gradually main line core insulation shielding layer 12, main line core insulation layer 13 and the main line core in the main line core conductor 11 outside and weave shielding layer 14, wherein, main line core conductor 11 is the aluminum alloy conductor, and main line core insulation shielding layer 12 is semi-conductive shielding layer, and main line core insulation layer 13 is crosslinked polyethylene insulation.

According to the exemplary embodiment of the present invention, secondary core 2 includes: the secondary core conductor 21 is an aluminum alloy conductor, and the secondary core insulating layer 22 is a crosslinked polyethylene insulating layer.

According to the exemplary embodiment of the present invention, the ground wire core 3 includes: the ground core conductor 31 and ground core insulating layer 32, wherein, ground core conductor 31 is the aluminum alloy conductor, and ground core insulating layer 32 is the crosslinked polyethylene insulating layer.

According to the utility model discloses an exemplary embodiment, the external diameter of main core 1 is greater than secondary core 2's external diameter, and secondary core 2's external diameter is greater than ground core 3's external diameter.

According to an exemplary embodiment of the present invention, the first sheath 4 is a polyolefin sheath.

According to the exemplary embodiment of the present invention, the second sheath 5 is an aluminum alloy interlocked armor sheath.

According to an exemplary embodiment of the present invention, the third sheath 6 is a silicone rubber sheath.

Compared with the prior art, the utility model discloses an aluminum alloy instrument cable, integrated principal core, secondary core and earth core realize the transmission and the signal control of the electric power energy simultaneously to through the setting of the chain armor of polyolefin sheath and aluminum alloy, improve the security performance and the feature of environmental protection of cable.

Drawings

Fig. 1 is a schematic cross-sectional view of an aluminum alloy instrument cable according to the present invention;

in the figure, 1-main core, 11-main core conductor, 12-main core insulation shielding layer, 13-main core insulation layer, 14-main core braided shielding layer, 2-secondary core, 21-secondary core conductor, 22-secondary core insulation layer, 3-ground core, 31-ground core conductor, 32-ground core insulation layer, 4-first sheath, 5-second sheath, 6-third sheath.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, an aluminum alloy instrument cable includes: the cable comprises a main cable core 1, a plurality of secondary cable cores 2, a ground cable core 3, a first protective layer 4, a second protective layer 5 and a third protective layer 6.

Specifically, the annular is arranged in proper order for main line core 1, a plurality of time sinle silk 2 and earth core 3, and first sheath 4 sets up in the main line core 1, a plurality of time sinle silk 2 and the 3 outsides of earth core, and second sheath 5 and third sheath 6 set gradually in the 4 outsides of first sheath, and main line core 1 includes: the main line core conductor 11 and set gradually main line core insulation shielding layer 12, main line core insulation layer 13 and the main line core in the main line core conductor 11 outside and weave shielding layer 14, wherein, main line core conductor 11 is the aluminum alloy conductor, and main line core insulation shielding layer 12 is semi-conductive shielding layer, and main line core insulation layer 13 is crosslinked polyethylene insulation.

The secondary core 2 includes: the secondary core conductor 21 is an aluminum alloy conductor, and the secondary core insulating layer 22 is a crosslinked polyethylene insulating layer.

The ground core 3 includes: the ground core conductor 31 and ground core insulating layer 32, wherein, ground core conductor 31 is the aluminum alloy conductor, and ground core insulating layer 32 is the crosslinked polyethylene insulating layer.

The outer diameter of the main wire core 1 is larger than that of the secondary wire core 2, and the outer diameter of the secondary wire core 2 is larger than that of the ground wire core 3.

The first covering layer 4 is a polyolefin covering layer.

The second protective layer 5 is an aluminum alloy interlocking armor protective layer.

The third protective layer 6 is a silicone rubber protective layer.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An aluminum alloy instrument cable, characterized in that the aluminum alloy instrument cable comprises: the utility model provides a cable core, including main core (1), a plurality of time sinle silk (2), earth core (3), first protective layer (4), second protective layer (5) and third protective layer (6), wherein, main core (1), a plurality of time sinle silk (2) and earth core (3) are annular in proper order and are arranged, first protective layer (4) set up in main core (1), a plurality of time sinle silk (2) and earth core (3) outside, second protective layer (5) and third protective layer (6) set gradually in first protective layer (4) outside, main core (1) includes: the cable comprises a main cable core conductor (11), and a main cable core insulation shielding layer (12), a main cable core insulation layer (13) and a main cable core braided shielding layer (14) which are sequentially arranged on the outer side of the main cable core conductor (11), wherein the main cable core conductor (11) is an aluminum alloy conductor, the main cable core insulation shielding layer (12) is a semi-conductive shielding layer, and the main cable core insulation layer (13) is cross-linked polyethylene insulation.

2. The aluminium alloy instrument cable of claim 1, wherein the secondary core (2) comprises: the cable comprises a secondary core conductor (21) and a secondary core insulating layer (22), wherein the secondary core conductor (21) is an aluminum alloy conductor, and the secondary core insulating layer (22) is a crosslinked polyethylene insulating layer.

3. The aluminum alloy instrument cable of claim 2, wherein the ground core (3) comprises: the ground wire core comprises a ground wire core conductor (31) and a ground wire core insulating layer (32), wherein the ground wire core conductor (31) is an aluminum alloy conductor, and the ground wire core insulating layer (32) is a cross-linked polyethylene insulating layer.

4. The aluminum alloy instrument cable according to claim 3, wherein the outer diameter of the primary core (1) is larger than the outer diameter of the secondary core (2), and the outer diameter of the secondary core (2) is larger than the outer diameter of the ground core (3).

5. The aluminium alloy instrument cable of claim 1, wherein the first sheath (4) is a polyolefin sheath.

6. The aluminium alloy instrument cable of claim 1, wherein the second sheath (5) is an aluminium alloy interlocking armor sheath.

7. The aluminium alloy instrument cable of claim 1, wherein the third sheath (6) is a silicone rubber sheath.