Atmospheric corrosion monitoring system and monitoring method
An atmospheric corrosion and monitoring system technology, which is applied in the direction of using digital measurement technology for measurement and material electrochemical variables, can solve the problems of difficult atmospheric corrosion current sampling, limited range, and low measurement accuracy, so as to improve monitoring reliability, Improve sampling accuracy and expand the effect of measuring range
Active Publication Date: 2019-08-02
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +2
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Problems solved by technology
However, due to the limited range and low measurement accuracy of the existing atmospheric corrosion monitors when sampling atmospheric corrosion currents, it is difficult for the atmospheric corrosion monitors to meet the monitoring requirements for atmospheric corrosion in various installation and operating environments of transmission lines. , and makes it difficult for atmospheric corrosion monitors to sample atmospheric corrosion currents with high precision, making it difficult for existing atmospheric corrosion monitors to provide accurate atmospheric corrosion data for the effective formulation of atmospheric corrosion protection measures
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[0043] For ease of understanding, the atmospheric corrosion monitoring system and monitoring method provided by the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0044] see figure 1 The atmospheric corrosion monitoring system provided by the embodiment of the present invention includes an electrochemical probe 10 for obtaining atmospheric corrosion current, a current sensor 20 for converting atmospheric corrosion current into a digital voltage signal, and a sensor for receiving and processing the digital voltage signal Data processing unit 30; wherein,
[0045] The current sensor 20 includes a multi-level sampling resistance module connected to the electrochemical probe 10, and a signal operational amplifier conditioning circuit 22 and an analog-to-digital conversion circuit 23 connected in series with the multi-level sampling resistance module;
[0046] The data processing unit 30 is connected to the o...
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The invention discloses an atmosphere corrosion monitoring system and a monitoring method thereof, which are used for improving sampling accuracy of atmosphere corrosion data and relates to the technical field of atmosphere corrosion monitoring. The atmosphere corrosion monitoring system comprises an electrochemical probe used for acquiring an atmosphere corrosion current, a current sensor used for converting the atmosphere corrosion current into a digital voltage signal and a data processing unit used for receiving and processing the digital voltage signal, wherein the current sensor comprises a multi-level sampling resistance module connected with the electrochemical probe as well as a signal operational amplifier conditioning circuit and an analog-to-digital conversion circuit which aresequentially connected with the multi-gear sampling resistance module in series; and the data processing unit is connected with the output terminal of the analog-to-digital conversion circuit. The atmosphere corrosion monitoring system and the monitoring method thereof which are provided by the invention are used for monitoring atmosphere corrosion in power transmission line mounting and runningenvironments.
Description
technical field [0001] The invention relates to the technical field of atmospheric corrosion monitoring, in particular to an atmospheric corrosion monitoring system and a monitoring method thereof. Background technique [0002] As one of the important components of long-distance large-capacity transmission network, transmission lines include not only wires, but also a large number of metal components such as transmission poles and towers used to suspend insulators and wires. When the transmission line is exposed to the natural environment for a long time, the metal components in the transmission line are prone to atmospheric corrosion, resulting in a reduction in the insulation performance and mechanical strength of the transmission line, which brings many adverse effects on the normal operation of the power grid. Therefore, the protection of metal components that may be subject to atmospheric corrosion in transmission lines is a necessary measure to suppress or reduce atmos...
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IPC IPC(8): G01N27/26G01R19/25
CPCG01N27/26G01R19/25
Inventor 孟晓波杨代铭廖永力梅红伟李锐海王黎明赵晨龙龚博
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD