| 摘要 |
To easily obtain a quantity of received light with computation by only measuring pulses of an electric signal related to a flame sensor, a flame detecting system is disclosed comprising: 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 a 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. |
| 主权项 |
1. A flame detecting system comprising:
a flame sensor configured to detect light; and a calculating device, wherein the calculating device comprises:
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, anda central processing unit configured to obtain a quantity of received light of aflame 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. |
