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High-voltage power cable

A high-voltage power and cable technology, which is applied in the direction of power cables, power cables with shielding layers/conductive layers, cables, etc., can solve the problems of manufacturing, installing, laying and maintaining a large amount of temperature measuring optical cables, so as to save manufacturing and reduce Manufacturing cost, the effect of reducing damage

Inactive Publication Date: 2013-03-27
张伟彬
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the manufacturing, installation, laying and maintenance of temperature measuring optical cables require a lot of cost.

Method used

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  • High-voltage power cable

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Embodiment Construction

[0014] see figure 1 As shown, a high-voltage power cable includes a conductor 1, a conductor shielding layer 2, an insulating layer 3, and an insulating shielding layer 4 arranged outside the conductor 1 in sequence, and a buffer water-blocking layer arranged outside the insulating shielding layer 4. The buffer water-blocking layer is composed of a semi-conductive buffer water-blocking tape 5 and a semi-conductive tinned copper wire shielding tape 8. The conductor 1 is provided with a conduit 11, and the conduit 11 is separated by more than one center-symmetric fan-shaped section. Channels 13 , optical cables 12 are arranged inside the fan-shaped cross-section channels 13 , and an outer sheath 10 is arranged on the outside of the semi-conductive tinned copper wire shielding tape 8 .

[0015] The diameter of the channel 13 is greater than the diameter of the optical cable 12 , the length of the optical cable 12 is greater than the length of the channel 13 , and the optical cabl...

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PUM

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Abstract

The invention discloses a high-voltage power cable which comprises a conductor, a conductor shielding layer, an insulation layer, an insulation shielding layer and a buffering water retaining layer outside the insulation shielding layer, wherein the conductor shielding layer, the insulation layer and the insulation shielding layer are arranged outside the conductor sequentially. The buffering water retaining layer is composed of a semi-conductive buffering water retaining belt and a semi-conductive tin plated copper wire shielding belt. A pipe is arranged in the conductor, and the inside of the pipe is partitioned into more than one centrosymmetric sector-section channel. Optical cables are arranged in the sector-section channels, and an outer sheath is arranged outside the semi-conductive tin plated copper wire shielding belt. The optical fiber unit is embedded into a cable structure directly, manufacture of a temperature measuring optical cable protecting layer is omitted, a stainless steel sleeve is adopted directly, a metal sheath of the power cable and the outer sheath are used as the protecting layer, and manufacture cost of a temperature measurement optical cable is reduced. A wrinkle aluminum sheath is used and has a certain buffering effect on outside impact and can greatly reduce damage of the outside impact on an optical fiber structure.

Description

technical field [0001] The invention relates to a high-voltage power cable. Background technique [0002] At present, in high-voltage power transmission lines, optical fiber temperature measurement systems are often used to monitor the temperature of various points of high-voltage cables. The optical fiber temperature measurement system is to lay the temperature measurement optical cable along the cable, and the temperature measurement optical cable can continuously obtain the temperature of each point along the high voltage cable. However, the manufacturing, installation, laying and maintenance of temperature measuring optical cables require a lot of expenses. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a cost-saving high-voltage power cable that can accommodate multiple optical cables and has a certain buffering effect. [0004] In order to solve the above problems, the present invention adopts the follo...

Claims

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Application Information

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IPC IPC(8): H01B9/00H01B9/02
Inventor 张伟彬
Owner 张伟彬
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