MY151724A - Earthquake monitor/controller for elevator - Google Patents

Abstract

AN EARTHQUAKE MONITOR/CONTROLLER FOR AN ELEVATOR, WHICH INCLUDES A NORMAL ELEVATOR OPERATION UNIT (9) WHICH EXECUTES A NORMAL ELEVATOR OPERATION TO MOVE AN ELEVATOR CAR (5) TO A FLOOR SPECIFIED BY A CALL IN NORMAL TIMES, A P-WAVE DETECTOR (13) WHICH DETECTS A P-WAVE OF AN EARTHQUAKE, A CONTROLLED OPERATION UNIT (14) WHICH STOPS A NORMAL ELEVATOR OPERATION BY THE ELEVATOR OPERATION UNIT, AND EXECUTES A CONTROLLED OPERATION UPON OCCURRENCE OF AN EARTHQUAKE, WHEN THE P-WAVE DETECTOR DETECTS THE P-WAVE OVER A LEVEL SET FOR AN INITIAL EARTHQUAKE TREMOR, AN S-WAVE DETECTOR (16) WHICH DETECTS AN S-WAVE OF THE EARTHQUAKE, AN ELEVATOR OPERATION STOP UNIT (17) WHICH HOLDS STOP OF NORMAL ELEVATOR OPERATION BY THE NORMAL ELEVATOR OPERATION UNIT, WHEN THE S-WAVE DETECTOR DETECTS THE S-WAVE OVER A LEVEL SET FOR A MAIN SHOCK AFTER THE DETECTION OF THE P-WAVE OVER THE LEVEL SET FOR THE INITIAL EARTHQUAKE TREMOR BY THE P-WAVE DETECTOR, AN ELEVATOR OPERATION RESTART UNIT (21) WHICH AUTOMATICALLY RESTARTS THE NORMAL ELEVATOR OPERATION BY THE NORMAL ELEVATOR OPERATION UNIT, WHEN THE S-WAVE DETECTOR DOES NOT DETECT THE S-WAVE OVER THE LEVEL SET FOR THE MAIN SHOCK WITHIN A CERTAIN TIME AFTER THE DETECTION OF THE P-WAVE OVER THE LEVEL SET FOR THE INITIAL EARTHQUAKE TREMOR BY THE P-WAVE DETECTOR, AND A COMMUNICATION UNIT (23) WHICH NOTIFIES A MONITOR CENTER (25) OF INFORMATION INDICATING THE DETECTION OF THE P-WAVE OVER THE LEVEL SET FOR THE INITIAL EARTHQUAKE TREMOR BY THE P-WAVE DETECTOR UPON RESTART OF A NORMAL ELEVATOR OPERATION, AND NOTIFIES THE MONITOR CENTER OF INFORMATION INDICATING THE DETECTION OF THE S-WAVE OVER THE LEVEL SET FOR THE MAIN SHOCK BY THE S-WAVE DETECTOR UPON THE DETECTION OF THE S-WAVE OVER THE LEVEL SET FOR THE MAIN SHOCK BY THE S-WAVE DETECTOR.