OPTICALLY POWERED SENSING SYSTEM AND METHOD FOR HAZARDOUS ENVIRONMENTS

摘要

A sensing system including: a sensor located in an external environment, including: an electrically powered sensor element sensing an environment variable and converting the sensing to a corresponding analog electrical value measure; an electrically powered sensor value conversion system connected to the electrically powered sensor and converting the analog electrical value measure to a digital measure, in addition to encoding the digital measure with sensor identification information; a transducer element for sending the sensed data information over an optical conduit for inputting an optical power signal and outputting optical sensed data information; a coupler splitting a first portion of the optical power signal to an energy storage system; and an energy storage system converting the first portion of the optical power signal into corresponding electrical energy and storing it for on demand usage; said electrically powered sensor value conversion system being supplied with electrical power from said energy storage system.