Cathode protection wireless monitoring system based on GPRS (General Packet Radio Service) network

Abstract

The invention discloses a cathode protection wireless monitoring system based on a GPRS (General Packet Radio Service) network. According to the cathode protection wireless monitoring system, voltage, current and potentials of a constant potential rectifier are connected with an input end of an anti-interference filtering circuit; a voltage output end of the anti-interference filtering circuit is connected with an input end of a voltage acquisition circuit; a current output end of the anti-interference filtering circuit is connected with an input end of a current acquisition circuit; a potential output end of the anti-interference filtering circuit is connected with an input end of a potential acquisition circuit; a voltage sampling circuit, a current sampling circuit and a potential sampling circuit are connected with an input end of an AD (Analogue-Digital) sampling circuit respectively; the AD sampling circuit is connected with a microprocessor; the microprocessor is connected with a wireless transmission circuit based on the GPRS network through a communication circuit. A wireless communication technology based on the GPRS network is used for replacing an existing manner of manually recording at fixed period to monitor a protective potential. The method has time-saving and labor-saving effects, the cathode protection system can monitor the protective potential in real time and an automation progress of the cathode protection system is propelled.

Description

technical field [0001] The invention relates to a wireless monitoring system, in particular to a wireless monitoring system applied in a cathodic protection system. [0002] Background technique [0003] Cathodic protection is widely used in metal anti-corrosion systems. According to domestic and foreign practical experience, the protection effect is remarkable. Therefore, this method can be used to slow down metal corrosion in metal structures such as underground communication cables, oil pipelines, natural gas pipelines, ships, docks, gates, and chemical equipment. Cathodic protection is the principle of making the surface of the protected metal material in contact with the surrounding medium realize the cathodic polarization state, so as to achieve the purpose of anti-corrosion. When using the cathodic protection method, it must be ensured that the metal-to-ground potential is controlled within the range specified by the protection potential. For this reason, it must be...

AI Technical Summary

Problems solved by technology

At present, the management of cathodic protection stations with messy distribution such as storage tanks and long-distance pipelines can only rely on inspections, and real-time monitoring of the cathodic protection system is impossible, which is a great hidden danger to the normal operation of the cathodic protection system.

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