Fireproof door push rod lock and control method thereof

The invention relates to a fireproof door push rod lock and a control method thereof. A spring bolt; a toggle plate; a push rod; the electromagnetic telescopic assembly is provided with a sliding pressing block which can be electromagnetically controlled to stretch out or retract; the lock catch rotating assembly is used for unlocking through a key; the first sensing element is arranged corresponding to the rotating block; the second sensing element is arranged corresponding to the spring bolt; the third sensing element is arranged corresponding to the push rod; a verification device; a prompting device; the input end of the controller is in signal connection with the first sensing element, the second sensing element, the third sensing element and the verification device, and the output end of the controller is in signal connection with the electromagnetic telescopic assembly and the prompting device. The control method is applied to the push rod lock. The system can realize personnel access management, has m