| 摘要 |
Disclosed are a smart alarm system for an elevator landing door abnormal opening and a safety inspection method for same. The system comprising: a landing door infrared sensor (1), an elevator car infrared sensor (2), an external input processing circuit (3), a central processing unit (5), a floor address code circuit (4), a wireless radio frequency transmission circuit (7), a serial communication interface circuit (8), and an alarm driving circuit (6). The landing door infrared sensor (1) and the elevator car infrared sensor (2) are connected by wire to the external input processing circuit (3); the external input processing circuit (3) inputs a signal to the central processing unit (5); the floor address code circuit (4) inputs a floor code information to the central processing unit (5); when the central processing unit (5), on the basis of a signal received, judges that a landing door has opened abnormally, the unit sends an alarm signal to the alarm driving circuit (6) to drive the alarm driving circuit (6) into issuing an alarm; at the same time, the unit sends a floor alarm information to the wireless radio frequency transmission circuit (7) and the serial communication interface circuit (8). Adoption of the present system enables an effective warning to be issued to an elevator rider prior to entering through an abnormally opened landing door, thus reducing to the greatest extent bodily injuries caused by an elevator accident. |
