Water level and temperature online monitoring system for direct current grounding electrode detection well

Abstract

The invention relates to a water level and temperature online monitoring system for a direct current grounding electrode detection well. The system comprises a main station, a concentrator, a 3G monitoring camera and a wireless sensing device, wherein the concentrator is respectively connected with the main station and the 3G monitoring camera through 3G network communication, and is connected with the wireless sensing device through radio frequency communication. Compared with the prior art, the water level and temperature online monitoring system has the benefits as follows: online monitoring and automatic alarming of water level and temperature of the grounding electrode detection well can be realized; online monitoring, reporting and abnormal condition automatic alarming of remote data can be realized through combination of the radio frequency communication technology and the 3G network communication technology; manual routing inspection is avoided; data can be reported timely and accurately; time and labor are saved; the system adopts design of an ultra-low power consumption wireless sensing network, so that the service life is long; the wireless sensing device has routing and ad hoc networking functions, so that flexible networking can be realized; and a communication platform of the system can be connected with other wireless sensors as per the actual monitoring requirement.

Description

technical field [0001] The invention relates to an on-line monitoring system for the water level and temperature of a DC grounding electrode detection well, in particular to an on-line monitoring system for the DC grounding electrode to detect the water level and temperature of a well. Background technique [0002] The operating state of the ground electrode of the UHV DC transmission system is related to the safety of the entire UHV DC system, so the monitoring of the operating state of the ground electrode is very important. At present, the monitoring of the ground electrode is mainly carried out through manual inspection. The work includes the measurement of temperature, water level, current distribution, step voltage and grounding resistance, etc. The detection of water level and temperature is realized in the reserved detection well of the grounding electrode. Due to the limitation of personnel and equipment, the detection cycle is generally longer. It cannot timely and...

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Problems solved by technology

[0002] The operating state of the ground electrode of the UHV DC transmission system is related to the safety of the entire UHV DC system, so the monitoring of the operating state of the ground electrode is very important. At present, the monitoring of the ground electrode is mainly carried out through manual inspection. The work includes the measurement of temperature, water level, current distribution, step voltage and grounding resistance, etc. The detection of water level and temperature is realized in the reserved detection well of the grounding electrode. Due to the limitation of personnel and equipment, the detection cycle is generally longer. Cannot timely and accurately reflect the operation status of the entire grounding electrode

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