GAS SAFETY VALVE LOCKING METHOD, IN CASE OF A FIRE OCCURRENCE

摘要

PURPOSE: A method of blocking a safety gas valve in case of fire is provided to prevent the danger of fire by blocking a safety gas valve if the danger of gas explosion is detected in case of what a temperature around a gas pipe in a house wherein a fire breaks out is higher than a preset temperature. CONSTITUTION: A method of blocking a safety gas valve in case of fire comprises the following steps. A household number is successively selected(S301). A household is selected corresponding to the selected household number(S302). A present temperature(T) of the selected household compares with a set temperature(T1) and decides(S303). A household number sequential selection is repeated if the present temperature of the selected household is lower than the set temperature(S304). A warning bell is rung in the selected household if the present temperature of the selected household is higher than the set temperature(S305). The closing of a first valve of the selected household is confirmed(S306). The closing of the first valve of the selected household is practiced if the first valve of the selected household is not shut(S307). A household number which 1 is added to the lowest digit of the selected household number is selected if the first valve of the selected household is shut(S308).