The purpose of flameout protector:
When we use the cook top, the fire may be extinct because of the wind or overflowing water. In this case, the protector may cut off gas to prevent some accidents happening because of its leakage, such as poisoning, explosion or fire. In this way, it realizes its safety protection function.
Working sketch-map of flameout protector
The first step: Piezoelectricity
The second step: Valve-open condition
The third step: Cut off gas in sudden flameout condition