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Method for collecting mechanical characteristic parameters of breaker based on high-speed camera

A high-speed camera, mechanical characteristics technology, applied in the testing of mechanical parts, the testing of machine/structural parts, instruments, etc., can solve the problem of no circuit breaker forehead spindle, identification of moving conductive rod transmission parts, etc., to avoid uncommon and Time-consuming, improve test accuracy, and improve the effect of test automation

Inactive Publication Date: 2014-09-24
YUN NAN ELECTRIC TEST & RES INST GRP CO LTD ELECTRIC INST +1
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Problems solved by technology

[0003] The traditional high-speed camera detection method for the mechanical characteristics of circuit breakers is to perform image processing and pattern recognition on the circuit breaker image information transmitted from the video monitoring system to realize the automatic identification function of the switch position, but most of them only perform image processing on the circuit breaker switch position And pattern recognition, did not identify the transmission components such as the main shaft of the circuit breaker and the moving conductive rod, and obtain detailed and comprehensive mechanical characteristic parameters

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  • Method for collecting mechanical characteristic parameters of breaker based on high-speed camera

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[0017] The method will be further described below in conjunction with the accompanying drawings.

[0018] A method for collecting mechanical characteristic parameters of a circuit breaker based on a high-speed camera, comprising the following steps:

[0019] (A) The image information of the movement of the operating mechanism 2 during the opening and closing process of the circuit breaker is captured by the high-speed camera (CCD image sensor) 1;

[0020] It can be seen from the figure that the operating mechanism 2 includes a closing spring 3 , a main shaft 4 , a metal connecting rod 5 , a main crank arm 6 , and an opening spring 7 . A high-speed camera (CCD image sensor) 1 is used to capture image information such as the rotation of the main shaft 4, the movement of the metal connecting rod 5, the rotation of the main crank arm 6, the compression of the closing spring 3, and the compression of the opening spring 7;

[0021] (B) Input the collected image information into the...

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Abstract

A method for collecting the mechanical characteristic parameters of a breaker based on a high-speed camera comprises the following steps that (A) the high-speed camera (1) is used for capturing the image information of an operation mechanism (2) during moving in the closing and opening process of the breaker, wherein the operation mechanism (2) comprises a switching-on spring (3), a spindle (4), a metal connecting rod (5), a main connecting lever (6) and a switching-off spring (7); (B) the collected image information is input into an industrial personnel computer, images are analyzed and processed, and all the mechanical characteristic parameter values of the breaker are calculated; (C) conventional electric signals and vibration signals are fused in the mechanical characteristic parameter values obtained by processing of the images, and sound wave signals are combined for conducting analysis to obtain comprehensive and reliable mechanical characteristic parameter values. The parameter test precision and the speed calculated by the method are both greatly improved, a non-contact type measuring method is achieved, and the problem that sensor clamps for mounting different breakers are not universal on the site is solved.

Description

technical field [0001] The invention belongs to a method for monitoring mechanical parameters of an electric power system, in particular to a new method for collecting mechanical characteristic parameters of a circuit breaker based on a high-speed camera. Background technique [0002] With the development of power grid construction, the reliability requirements of circuit breakers above 220kV are getting higher and higher. It is urgent to improve the test method of circuit breaker operation status and find a scientific method to evaluate the operating characteristics of the operating mechanism. Therefore, research on new operation The new method of mechanism fault identification has important significance and practical value. [0003] The traditional high-speed camera detection method for the mechanical characteristics of circuit breakers is to perform image processing and pattern recognition on the circuit breaker image information transmitted from the video monitoring syst...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
Inventor 徐雯赵现平谭向宇程志万陈先富张少泉彭兆裕
Owner YUN NAN ELECTRIC TEST & RES INST GRP CO LTD ELECTRIC INST
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