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Detecting method and device for heating of power transmission line clip, and detecting device

A technology for transmission lines and detection equipment is applied in the detection of heating of transmission line clips, and the field of detection equipment for heating of transmission line clips, which can solve problems such as accidents and failure to measure in time.

Inactive Publication Date: 2019-01-11
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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Problems solved by technology

However, due to the fact that the daily operating current of the current transmission line is much smaller than its rated current carrying capacity, it is difficult to find hot spots during the daily infrared detection process, but once the load on this line increases, the temperature immediately rises, but due to lack of timely measurement, it may cause a serious accident

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  • Detecting method and device for heating of power transmission line clip, and detecting device
  • Detecting method and device for heating of power transmission line clip, and detecting device
  • Detecting method and device for heating of power transmission line clip, and detecting device

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[0045] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0046] The detection method for heating of transmission line clamps provided by this application can be applied to such as figure 1 or figure 2 shown in the application environment. Wherein, the generator car 1 or the transformer 4 is electrically connected to the rectifying device 2, the rectifying device is electrically connected to the current raising device 3, the current rectified by the rectifying device 2 flows into the current raising device 3, and the current raising device 3 is electrically connected to the transmission line, so that The rated current output b...

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Abstract

The present application relates to a detecting method and device for heating of a power transmission line clip and a detecting device. The method comprises the following steps: applying a rated current to a power transmission line, wherein the rated current is a current required when the power transmission line is fully loaded; determining a rated temperature that the power transmission line reaches under the condition of inputting the rated current; detecting an actual temperature that the power transmission line reaches under the condition of inputting the rated current; and determining a clip heating point by comparing the rated temperature and the actual temperature. The clip heating point can be found quickly by using the method; the clip in a hidden danger is found; the method in theinvention can also be used as a new method for fastening a new line clip bolt or not.

Description

technical field [0001] The present application relates to the technical field of power transmission lines, in particular to a method and device for detecting heat generation of transmission line line clamps and detection equipment for transmission line line clamp heat generation. Background technique [0002] With the development of the economy, the number of years in operation of transmission lines is gradually increasing, and the equipment is gradually aging. Especially if the transmission line is outdoors, after long-term operation, the bolt connection position of the strain-resistant connection clamp is easy to loosen, which increases the contact resistance of the clamp, causes the current to flow through the clamp and generates local heating, and the overheating of the clamp will seriously damage the connecting hardware , leading to transmission line failures. [0003] The current detection method is that the staff use infrared thermal imaging cameras to detect base to...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/00
CPCG01J5/0096
Inventor 董选昌刘智勇李艳飞曲烽瑞张耿斌
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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