Device for preventing other people from shutting down or starting gas extraction system by mistake

A device for preventing others from shutting down or starting a gas extraction system by mistake comprises a master control power switch of the gas extraction system, a detection circuit and a receiving control circuit. The detection circuit comprises a switching power supply, a storage battery, a gas detection sub-circuit and a wireless transmission sub-circuit; the switching power supply, the storage battery, the gas detection sub-circuit and the wireless transmission sub-circuit are arranged in the element box and are electrically connected; the receiving control circuit comprises a switching power supply A, a storage battery A, a wireless receiving sub-circuit and a control signal receiving sub-circuit; and the switching power supply A, the storage battery A, the wireless receiving sub-circuit and the control signal receiving sub-circuit are arranged in the element box A and are electrically connected with the master control power switch. The main power switch can be automatically switched on when gas lea