Flame detecting system
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
May 25, 2016
filing date -
May 26, 2015
priority date (Note) -
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Abstract
A flame detecting system includes a flame sensor to detect light and a calculating device, in which the calculating device includes an applied voltage generating portion configured to generate a pulse to drive the flame sensor, a voltage detecting portion configured to measure an electric signal flowing in the flame sensor, a storing portion configured to store sensitivity parameters of the flame sensor in advance, and a central processing unit configured to obtain a quantity of received light of flame using parameters of a known quantity of received light, a pulse width, and a discharge probability of the sensitivity parameters, and a discharge probability obtained from an actual pulse width and the measured number of discharge times, and in which a difference in sensitivity of individual flame sensors is corrected from sensitivity parameters related to a first flame sensor and sensitivity parameters related to a second flame sensor.
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