Gas meter explosion-proof circuit

The utility model provides an explosion-proof circuit of a gas meter. The explosion-proof circuit comprises an explosion-proof circuit and a control circuit, wherein the power management circuit and the valve driving circuit are connected in sequence; wherein the power supply management circuit comprises an energy storage power supply, a current limiting circuit and a power supply management chipwhich are connected in sequence, a first charging circuit is arranged between the current limiting circuit and the power supply management chip, and the first charging circuit is used for charging anddischarging under the condition that the current limiting circuit and the power supply management chip are conducted; the valve driving circuit comprises a valve driving chip and a valve conduction circuit connected with the valve driving chip. According to the explosion-proof gas meter circuit, the fuse, the current-limiting resistor and the Zener diode are used for limiting circuit energy, so that the explosion-proof ci