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Live working safety detection device for grounding electrode circuit

A technology of live work and safety detection, which is applied in the direction of measuring devices, only measuring current, measuring heat, etc., can solve problems such as differences in safety requirements, and achieve the effects of convenient operation, safe operation, and simple and convenient use

Pending Publication Date: 2019-10-15
STATE GRID CORP OF CHINA +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the ground electrode line has the characteristics of distribution lines and transmission lines at the same time, its special operation mode leads to significant differences in safety requirements for live work with conventional lines

Method used

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  • Live working safety detection device for grounding electrode circuit
  • Live working safety detection device for grounding electrode circuit
  • Live working safety detection device for grounding electrode circuit

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Embodiment Construction

[0032] figure 1 A schematic structural diagram of a live work safety detection device for ground electrode lines according to an embodiment of the present invention is shown. figure 2 A schematic structural diagram of a current detection device according to an embodiment of the present invention is shown. Such as figure 1 and 2 , the detection device comprises an insulating rod 1, a temperature detection device for detecting the surface temperature of the measured wire, a current detection device arranged at the front end of the insulating rod 1 to detect the current size of the measured wire, a display for displaying current data and / or temperature data, and according to different An alarm device that sends out different alarm messages for current data and / or temperature data.

[0033] refer to figure 2 , the current detection device includes two iron cores 10, 11, a driving component for driving the two iron cores 10, 11 to open and close, a Hall element 12 and a curre...

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Abstract

The utility model provides a live working safety detection device for a grounding electrode circuit, and the device comprises an insulating rod, a current detection device, a temperature detection device and an alarm device, and the current detection device, the temperature detection device and the alarm device are arranged at one end of the insulating rod. The current detection device comprises two iron cores with arc-shaped structures, a Hall element and a current signal processing circuit, wherein the two iron cores are oppositely arranged and can be opened and closed to surround the testedlead; the Hall element is positioned between the gaps of the two iron cores; and the current signal processing circuit is connected with the Hall element to convert the magnetic flux detected by theHall element into current data of the tested lead. The temperature detection device comprises a temperature sensor and a temperature signal processing circuit, wherein the temperature sensor is arranged on the inner side surface of the iron core and used for sensing the temperature of the surface of the tested lead; and the temperature signal processing circuit is connected with the temperature sensor to process the temperature data. The alarm device is used for sending different alarm information according to different current data and / or temperature data. The live working safety detection device for the grounding electrode circuit can judge the running condition of the grounding electrode circuit and the safety of live working, and ensures the safe operation of the live working.

Description

technical field [0001] The invention relates to a safety detection device for live work on a grounding electrode line, which is used for judging the running condition of the grounding electrode line and the safety of live work, so as to ensure the safe development of live work. Background technique [0002] With more and more direct current transmission projects being put into operation, the live maintenance work of grounding electrode lines has been paid more and more attention, and the demand for development is also increasing. Although the ground electrode line has the characteristics of distribution lines and transmission lines at the same time, the particularity of its operation mode leads to significant differences in safety requirements for live work with conventional lines. There are three operating modes of DC transmission lines: 1) The bipolar operating mode is the normal operating mode of the DC system. At this time, the load current mainly flows through the posit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/00G01K13/00
CPCG01R19/0092G01K13/00
Inventor 杜勇董晓虎尹洪程绳雷兴列闫旭东王国满彭勇龙飞吴军姚京松张准
Owner STATE GRID CORP OF CHINA
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