SELF-CONTAINED DEVICE FOR CATHODIC PROTECTION OF UNDERGROUND STRUCTURES Russian patent published in 2019 - IPC C23F13/02 

FIELD: electrical engineering.

SUBSTANCE: invention relates to equipment for the electrochemical protection of underground metal structures from corrosion. Autonomous device comprises: a housing in the form of a control and measuring station rack, equipped with a tilting casing, an electronic unit, an accumulator, a terminal board, a sensor and a lock arranged on the housing end face inside the hinged housing, on the double-slope roof of which there are solar panels, a reference electrode placed outside the housing, a block of corrosion rate indicators plates, protector, controlled valve element, connecting cables for connection to terminal panel, respectively, comparison electrode, unit of plates-indicators of corrosion rate, protector, as well as a protected structure, wherein the electronic unit comprises an input switch, a signal converter, a measurement and control controller, a transceiver with a built-in antenna and an interface equipped with a connector for connecting external devices.

EFFECT: technical result consists in provision of non-volatile protection of areas of underground structure hard to access for power supply in mode of automatic stabilization of protective potential with possibility of remote monitoring and control of protective device operation.

1 cl, 2 dwg