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Intelligent cable stress cone

A stress cone, intelligent technology, used in cable accessories, cable installation, electrical components, etc., to achieve low system cost, avoid power safety failures, and have little impact on mechanical properties.

Inactive Publication Date: 2014-12-10
KINGSHORE NEW RESOURCES ELECTRIC JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The actual situation is that the electromagnetic interference in the working environment of the cable stress cone is very significant, and the ability to resist electromagnetic interference needs to be taken into account when designing the system; some stress cones are still soaked in insulating oil, and once the cable accessories are installed, they cannot be disassembled , so it is necessary to measure nondestructively

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This embodiment provides an intelligent cable stress cone, the structure of which is as follows: figure 1 As shown, it includes porcelain bushing 11 and cable insulation 12. The cable insulation 12 is set inside the porcelain bushing 11, and also includes grounding bolts 13 and rubber stress cones 14. The rubber stress cones 14 are fixed close to the ground by grounding bolts 13. , the rubber stress cone 14 is provided with a stress sensing fiber grating and a temperature sensing fiber grating 21, the stress sensing fiber grating and the temperature sensing fiber grating 21 are connected in series by a tight-packed optical cable 22, and are poured on the rubber stress cone 14 It is pre-embedded in a spiral shape during production.

[0023] The stress-sensing fiber grating and the temperature-sensing fiber grating are connected in series by a tight-packed optical cable 22, and its layout is divided into three layers: top, middle and bottom according to the position of th...

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PUM

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Abstract

The invention discloses an intelligent cable stress cone comprising a porcelain sleeve, a cable insulation arranged in the porcelain sleeve, earthing bolts and a rubber stress cone body. The rubber stress cone body is fixed on a place nearing the ground through the earthing bolts and internally provided with a stress sensing fiber grating and a temperature sensing fiber bragg grating. The stress sensing fiber grating and the temperature sensing fiber grating are sequentially connected through a tightly-jacketed optical cable and spirally embedded in the rubber stress cone body when the rubber stress cone body grouts. According to the arrangement, during production of the stress cone, the stress sensing fiber grating and the temperature sensing fiber grating are directly embedded, stress distribution of the cable stress cone is calculated according to the real-time measurement of wave length of the fiber grating, and thus deformation of the stress cone is monitored in real time.

Description

technical field [0001] The invention belongs to the technical field of cable accessories and relates to an intelligent cable stress cone. Background technique [0002] The cable stress cone is an important cable accessory. The stress cone has a bell mouth geometry and is made of conductive silicone rubber and molded in the factory. After the installation of the cable accessories is completed, the stress cone is closely connected to the outer semiconductive fracture of the cable, which is at the same low potential as the outer semiconductive layer, which is equivalent to extending the outer semiconductive fracture, so that the power lines originally concentrated at the outer semiconductive fracture It will be evenly distributed along the geometric shape of the stress cone, which improves the electric field distribution, reduces the possibility of corona generation, reduces the damage to the insulation, and ensures the operating life of the cable. [0003] A certain interface...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02G01D5/353H02G15/064
Inventor 周金龙朱冬宏田群
Owner KINGSHORE NEW RESOURCES ELECTRIC JIANGSU
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