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Semi-fixed porcelain post insulator defect detecting system and method

A defect detection, semi-fixed technology, used in measuring devices, solids analysis using sonic/ultrasonic/infrasonic waves, material analysis using sonic/ultrasonic/infrasonic waves, etc. The accuracy of the test results cannot be guaranteed

Inactive Publication Date: 2017-03-15
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems that the accuracy, timeliness and detection rate of the detection results cannot be guaranteed due to the inability to detect in real time, etc., and the proposed semi-fixed porcelain post insulator defect detection system and method

Method used

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  • Semi-fixed porcelain post insulator defect detecting system and method
  • Semi-fixed porcelain post insulator defect detecting system and method

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specific Embodiment approach 1

[0017] Specific implementation mode one: combine figure 1 and figure 2 The semi-fixed porcelain post insulator defect detection system of this embodiment specifically includes: an excitation module, an acquisition module, a main control module, a transmission module and a power supply module.

[0018] The effect of this implementation mode:

[0019] The purpose of this embodiment is to provide a semi-fixed porcelain post insulator defect detection system and method for the problems existing in the detection of porcelain post insulators using vibroacoustics.

[0020] This embodiment relates to a semi-fixed porcelain post insulator defect detection system and method, which mainly uses vibro-acoustic theory to detect the defects of porcelain post insulators. In view of the unstable operation of the non-fixed (handheld) testing equipment in the past, the large fluctuation of the collected data, and the inability to detect at any time, the detection device is fixed on the bottom...

specific Embodiment approach 2

[0021] Embodiment 2: This embodiment differs from Embodiment 1 in that the vibration excitation module is used to control the exciter to generate white noise that meets the frequency requirement, so as to make the object under test vibrate. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0022] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the collection module is used to control the collector to receive sound wave signals and perform signal conversion. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention relates to an insulator defect detecting system and method, in particular to a semi-fixed porcelain post insulator defect detecting system and method, and aims at solving the problems that due to the fact that defects cannot be detected in real time, the accuracy and timeliness of detection results cannot be guaranteed and the detection rate is low. The system specifically comprises a shock-excitation module, an acquisition module, a main-control module, a transmission module and a power supply module. The method comprises the specific steps of firstly, analyzing the performance state of the inherent frequency of a semi-fixed porcelain post insulator; secondly summarizing mechanical vibration equations of a post device; thirdly determining the frequency of a natural vibration mode of the post device and the corresponding amplitude; fourthly obtaining the whole complete information of the dynamic properties of the insulator. Accordingly, the vibration measurement is conducted on the insulator. The semi-fixed porcelain post insulator defect detecting system and method are applied to the field.

Description

technical field [0001] The invention relates to a defect detection system and method for porcelain post insulators, in particular to a defect detection system and method for semi-fixed porcelain post insulators. Background technique [0002] Porcelain post insulators are important components of power grid electrical equipment. At present, the main research direction is to use vibroacoustics, infrared, ultraviolet, laser and other methods, among which the vibroacoustic detection method is generally through manual operation. Manual manual operation will lead to problems such as irregular operation, environmental impact, and inability to detect in real time, resulting in the inability to guarantee the accuracy, timeliness, and low detection rate of the detection results. [0003] Today, the online real-time detection of the measured target has become the main development direction. The key to solving the problem is to realize the real-time detection of porcelain post insulator...

Claims

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Application Information

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IPC IPC(8): G01N29/04
CPCG01N29/045G01N2291/023
Inventor 陈洪涛吴刚单小东孟祥辰陈艳孙振胜张海明李伟李军韩显华李冬梅黄树春赵强李一凡韩兆婷
Owner STATE GRID CORP OF CHINA
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