GIS knife switch air chamber metal particle detection method and detection device

A detection device and metal particle technology, which is applied to measuring devices, optical methods for testing, individual particle analysis, etc., can solve problems such as low sensitivity and inability to achieve early warning, so as to reduce the cost of the power grid and reduce the incidence of accidents Effect

Pending Publication Date: 2021-03-30

GUANGXI POWER GRID ELECTRIC POWER RES INST

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AI-Extracted Technical Summary

Problems solved by technology

In addition, neither the gas chromatography detection method nor the partial discharge method directly detects the parameters of the factors causing the discharge, but detects the ultrasonic waves and decomposition pro...

Abstract

The invention discloses a GIS knife switch air chamber metal particle detection method and detection device. The detection device comprises a connection module, an adjusting module, a light source module, an image capture module, a photoelectric signal processing module, a storage module and a diagnosis module; the connection module is connected with the light source module and the image capture module; the light source module is connected with the adjusting module; the image capture module is connected with the optical signal processing module; the optical signal processing module is connected with the storage module; and the storage module is connected with the diagnosis module. According to the detection method and detection device of the embodiment of the invention, the aggregation size of metal particles is determined by detecting the reflection intensity of the metal particles in a GIS disconnecting link air chamber, and the condition of the metal particles in the GIS disconnecting link air chamber can be directly, quickly and accurately detected in real time.

Application Domain

Individual particle analysisAlarms +1

Technology Topic

Process engineeringLight source +5

Image

Examples

Experimental program(2)

Example Embodiment

[0024] Example one

[0025] figure 1 The method flow chart showing the detection of metal particles in the embodiment of the present invention, including the following steps:

[0026] S1: Connect the detecting device to the GIS air chamber by the connection module;

[0027] S2: The detecting device emits strong light inside the gas chamber by viewing the hole;

[0028] S3: The detecting device receives the reflection intensity of metal particles in the GIS blade gas chamber, and the photoelectric signal is processed to obtain a metal particle aggregation size, and stored;

[0029] S4: When the metal particle aggregation size exceeds the threshold, the detection device issues alarm prompt;

[0030] S5: Change the detection device lens angle and direction, and reconfers the size of the metal particles.

[0031] figure 2 A schematic structural diagram of the detection apparatus in the embodiment of the present invention, the detecting device includes a connection module, an adjustment module, a light source module, an image module, and a photoelectric signal processing module, a diagnostic module.

[0032] The connection module is mainly used to securely connect the detecting device to the GIS knife gate.

[0033] The adjustment module is mainly used to change the angle and direction of the detecting device lens, and achieve the detection position transformation.

[0034] The light source module is primarily used to generate and emit strong light.

[0035] The image forming module is primarily used to receive metal particles reflection intensity information.

[0036] The photoelectric signal processing module is primarily used to perform photoelectric signal processing of the received metal particles, resulting in detecting position metal particles aggregation size.

[0037] The diagnostic module determines whether the threshold is reached by extracting the metal particle aggregation size, and the alarm information is issued.

[0038] This storage module is primarily used to store detection information.

Example Embodiment

[0039] Example 2

[0040] figure 2 A schematic structural diagram of the detection apparatus in the embodiment of the present invention includes: a connection module, an adjustment module, a light source module, an image module, a photoelectric signal processing module, a storage module, and a diagnostic module, wherein: the connection module Connecting the light source module and the capture module, the light source module connects the adjustment module, the alignment module connected to the optical signal processing module, the optical signal processing module connected to the storage module, the storage module connection Diagnostic module.

[0041] The connection module is configured to securely connect the detecting device to the GIS blade gas chamber.

[0042] The adjustment module is configured to change the angle and direction of the detecting device lens, and implement the detection position transformation.

[0043] The light source module is used to generate and emit strong light.

[0044] The image forming module is used to receive metal particles reflection intensity information.

[0045] The photoelectric signal processing module is configured to perform photovoltaic signals of the receiving metal particle reflection intensity information to obtain a detection position metal particle aggregation size.

[0046] The storage module is used to store detection information.

[0047] The diagnostic module determines whether or not the threshold is reached by extracting the metal particles aggregation size, and then alarm information is issued.

[0048] A method of detecting a reflection principle based on the detection device based on the detection device described above, including the following steps:

[0049] S1: By connecting the module, the detecting device is observed with the GIS tool chamber;

[0050] S2: The detecting device emits strong light inside the gas chamber by viewing the hole;

[0051] S3: The detecting device receives the reflection intensity of metal particles in the GIS blade gas chamber, and the photoelectric signal is processed to obtain a metal particle aggregation size, and stored;

[0052] S4: When the metal particle aggregation size exceeds the threshold, the detection device issues alarm prompt;

[0053]S5: Change the detection device lens angle and direction, and reconfers the size of the metal particles.

[0054] Based on the reflection principle, the GIS air chamber wall is different from the metal particle reflectance, by detecting the metal particles in the metal particles in the GIS blade gas chamber, the GIS knife gate can be detected directly and accurately. Internal metal particles, provide reference reference for the subsequent threshold to reach the threshold of the flashing discharge, truly early warning. Based on reflection principle, the metal particle detecting device and method for realizing rapid and accurate, the inner wall metal particles were detected, and the GIS knife gate air chamber was taken in advance, reducing the incidence rate and reducing the cost of grid.

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Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

Reduce grid costs
reduce accident rate

Method and device for detecting internal smoothness of GIS equipment air chamber

PendingCN112577938Areduce accident rateReduce grid costs

Owner:GUANGXI POWER GRID ELECTRIC POWER RES INST

GIS knife switch air chamber metal particle detection method and detection device

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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