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Detection equipment for power line fault

A fault detection and power cable technology, which is applied in the direction of fault location and fault detection according to the conductor type, can solve the problems of inconvenient detection, inability to perform continuous detection, inconvenient detection and positioning, etc.

Pending Publication Date: 2017-02-15
STATE GRID SHANDONG ELECTRIC POWER CO LONGKOU POWER SUPPLY CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the long-term use of the power cable, it is inconvenient to detect when there is a defect inside the power cable. The existing detection equipment can only detect the outside of the cable. When there is a defect inside the cable, it cannot be conveniently detected and located; at the same time, Since high-altitude electric power cables are usually erected in parallel on power poles and towers, connectors are sometimes required to be installed between the cables to keep them stable. As a result, existing inspection robots cannot perform continuous detection when they reach the connectors.

Method used

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  • Detection equipment for power line fault
  • Detection equipment for power line fault
  • Detection equipment for power line fault

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In this embodiment, the normal and qualified cables are tested, and the ultrasonic detection components are installed on both sides of the qualified cables, so that the ultrasonic transmitter and the ultrasonic receiver are relatively inclined, and the ultrasonic signal emitted by the ultrasonic transmitter is reflected by the internal reflection of the cable. After that, it is received by the ultrasonic receiver, and the ultrasonic signal detected by the qualified cable is used as the reference signal, which is convenient for comparison before and after.

[0023] Such as Figure 1-3 As shown, a power cable fault detection device includes an ultrasonic detection component and a base 101 arranged below the ultrasonic detection component, and the ultrasonic detection component includes a fixed ring 123 and is arranged inside the fixed ring 123 The ultrasonic transmitter and the ultrasonic receiver are provided with an opening 124 on one side of the fixed ring 123, and the...

Embodiment 2

[0030] In this embodiment, in order to facilitate the adjustment of the height of the gear so that it can fit on the cable better, preferably, a lifting plate 116 is arranged on the upper end surface of the base 101, and the lifting plate 116 is provided with a stud 117, the lower end of the stud 117 is fixedly connected to the base 101, the upper end of the stud 117 runs through the lifting plate 116, and the two sides of the lifting plate 116 Adjusting nuts 118 are arranged on the studs 117 respectively, and the motor 115 and the bracket 112 are respectively fixedly connected to the upper end surface of the lifting plate 116 . When needed, turn the adjusting nut to make the stud move longitudinally. During the longitudinal movement of the stud, the lifting plate is driven to move longitudinally, so that the height of the lifting plate can be adjusted, and then the height of the gear can be adjusted so that the gear can fit better. It fits under the cable and is suitable for ...

Embodiment 3

[0034] In order to increase the friction between the gear and the cable and make the overall structure more reliable, in this embodiment, preferably, the gears 114 are two symmetrically arranged on the fixed shaft 113, two The gears 114 are arranged symmetrically below the two sides of the cable.

[0035] In order to make the gear fit better on the cable, in this embodiment, further preferably, the gear 114 is a straight bevel gear. Fit the straight bevel gear under the sides of the cable.

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Abstract

The invention discloses detection equipment for a power line fault. The detection equipment comprises an ultrasonic detection assembly and a pedestal arranged below the ultrasonic detection assembly. The ultrasonic detection assembly consists of a fixed ring, an ultrasonic transmitter and an ultrasonic receiver that are arranged at the inner side of the fixed ring; an opening is formed in one side of the fixed ring; and the ultrasonic transmitter and the ultrasonic receiver are arranged at the two sides of the opening. Besides, two support rods are arranged on the pedestal; mounting plates are arranged at the outer side of the fixed ring and are particularly arranged at the two sides of the opening symmetrically; and the two mounting plates are fixedly connected to the support rods by the bolt. According to the invention, with the ultrasonic detection assembly, detection and positioning on a cable fault are realized; and continuous detection of an overhead cable is realized.

Description

technical field [0001] The invention relates to a power cable fault detection device. Background technique [0002] During the long-term use of the power cable, it is inconvenient to detect when there is a defect inside the power cable. The existing detection equipment can only detect the outside of the cable. When there is a defect inside the cable, it cannot be conveniently detected and located; at the same time, Since high-altitude electric power cables are usually erected in parallel on power poles and towers, connectors are sometimes required to be installed between the cables to keep them stable. As a result, existing inspection robots cannot perform continuous detection when they reach the connectors. Contents of the invention [0003] The purpose of the present invention is to provide a power cable fault detection device, which can improve the problems existing in the prior art, realize the detection and positioning of cable faults, and realize the continuous detec...

Claims

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Application Information

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IPC IPC(8): G01R31/08
CPCG01R31/085Y04S10/52
Inventor 陈云海安冉孙学军张丹丹吕凯
Owner STATE GRID SHANDONG ELECTRIC POWER CO LONGKOU POWER SUPPLY CO
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