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A high radiation dose resistant cable and its manufacturing method

A manufacturing method and radiation dose technology, applied in the direction of cable/conductor manufacturing, insulated cables, cables, etc., can solve the problems of reducing cable service life, prone to aging, cable failure, etc., to improve protection and increase insulation radiation resistance performance , enhance the effect of mechanical properties

Active Publication Date: 2017-03-08
JIANGSUSNGSHANG CABLE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the general radiation-resistant cables are insulated by XLPO\EPR, etc. These insulation methods are very prone to aging and cracking under the condition of high radiation dose, which will lead to cable failure and greatly reduce the service life of the cable.

Method used

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  • A high radiation dose resistant cable and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0063] When welding a copper strip with a thickness of 0.4mm, the welding base value current is 180A, and the argon gas flow rate is 14.0L / min;

[0064] When welding a copper strip with a thickness of 0.5mm, the welding base value current is 210A, and the argon gas flow rate is 14.0L / min;

[0065] When welding a copper strip with a thickness of 0.6mm, the welding base value current is 250A, and the argon gas flow rate is 14.0L / min.

example 2

[0067] When welding a copper strip with a thickness of 0.4mm, the welding base value current is 200A, and the argon gas flow rate is 15.0L / min;

[0068] When welding copper strip with a thickness of 0.5mm, the welding base value current is 220A, and the argon gas flow rate is 15.0L / min;

[0069] When welding a copper strip with a thickness of 0.6mm, the welding base value current is 260A, and the argon gas flow rate is 15.0L / min.

example 3

[0071] When welding a copper strip with a thickness of 0.4mm, the welding base value current is 210A, and the argon gas flow rate is 16.0L / min;

[0072] When welding a copper strip with a thickness of 0.5mm, the welding base current is 230A, and the argon gas flow rate is 16.0L / min;

[0073] When welding copper strips with a thickness of 0.6mm, the welding base value current is 280A, and the argon gas flow rate is 16.0L / min.

[0074] After practical comparison, the cable obtained by the process of Example 2 has a pass rate of more than 99.8%, especially the matching of argon flow and voltage and current values, so that the welding position is fully protected, and the temperature reduction rate can make the cooling and welding position temperature to achieve the best match.

[0075] The cable obtained by the process of Example 1 has a pass rate of more than 99.4%. Among them, the pass rate corresponding to the process parameters when welding a copper strip with a thickness of ...

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Abstract

A high radiation dosage resistant cable is disclosed. The cable comprises a plurality of conductors, an insulating layer, a wrapping layer and a sheath layer from inner to outer; the external of each conductor is wrapped with the insulating layer; the insulating layer is formed by an insulating band wrapping the external of the conductor; the conductors wrapped with the insulating layer are twisted to form the cable; the insulating band is a radiation resistant insulating band; the external of the cable core is wrapped with the wrapping layer; the space between the conductors wrapped with the insulating layer and the wrapping layer is filled with stuffing; the wrapping layer is formed by cable-making wrapping belts in a tight wrapping manner; and the sheath is an embossing copper sheath. The invention discloses the high radiation dosage resistant cable and a manufacturing method therefor. The manufacturing method comprises the steps of 1) manufacturing the conductors; 2) manufacturing the insulating layer; 3) making the cable, and 4) embossing the copper sheath. The cable is quite high in the radiation resistance, and can be safely used in the high-radiation environment of nuclear power stations.

Description

technical field [0001] The technical solution relates to the technical field of cables, in particular to a special cable for high radiation dose resistance and a manufacturing method thereof. Background technique [0002] In the prior art, radiation-resistant cables are generally insulated with XLPO\EPR, etc. These insulation methods are very prone to aging, cracking and other phenomena under high radiation doses, resulting in cable failures and greatly reducing the service life of the cables. How to ensure the safe and reliable operation of the cable and the protection of other equipment under the condition of high radiation dose is an urgent problem to be solved. Contents of the invention [0003] In order to solve the above-mentioned problems in the prior art, the present invention proposes a high-radiation-dose-resistant cable, which has superior radiation-resistant performance and can be used under high-radiation-dose conditions. The structure of the high-radiation-do...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/29H01B13/00H01B3/06H01B7/17
CPCH01B3/065H01B7/17H01B7/29H01B13/00
Inventor 孙琪凌国桢易蓓蓓潘冬雪
Owner JIANGSUSNGSHANG CABLE GROUP
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