The previous two circuits represent different versions of the "sensor disagreement" logic circuit only, not the "good flame" detection circuit(s).
前两个电路代表不同版本的“传感器的分歧”只是逻辑电路，而不是“好火焰”检测电路。
2
The Texas Instruments TMP006/B Infrared Thermopile Sensor in a Chip-Scale Package (Figure 3) provides non-contact temperature sensing for use in health, beauty, and flame-detection applications.