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Automatic door opening device after locking ATM machine protective cabin door and control method for automatic door opening device
The invention discloses an automatic door opening device after locking an ATM machine protective cabin door and a control method for the automatic door opening device. The device comprises a microphone, an audio frequency amplifying circuit, a filter circuit, an amplitude value detecting circuit, a reference power supply, a voltage comparator, a processor unit, an electronic switch circuit and an in-cabin cabin door state detecting circuit, which are sequentially connected in the cabin in series; an in-phase input end of the voltage comparator is connected with output of the amplitude value detecting circuit; an inverse-phase input end of the voltage comparator is connected with the reference power supply; the output of the reference power supply is connected with input of the processor unit; the cabin door state detecting circuit is connected with another input of the processor unit; a control end of the electronic switch circuit is connected with output end of the processor unit; and the two ends of the switch are mutually spliced with the two ends of an in-cabin door opening button respectively. The control method comprises the following steps: when the cabin door of the ATM machine protective cabin is closed and the automatic door opening device detects that child's crying is larger than 55 decibels, outputting a door opening signal to simulate the in-cabin door opening button, thereby opening the cabin door and making a trapped child get out of the ATM machine protective cabin.
Automatic door opening device after locking ATM machine protective cabin door and control method for automatic door opening device
The invention discloses an automatic door opening device after locking an ATM machine protective cabin door and a control method for the automatic door opening device. The device comprises a microphone, an audio frequency amplifying circuit, a filter circuit, an amplitude value detecting circuit, a reference power supply, a voltage comparator, a processor unit, an electronic switch circuit and an in-cabin cabin door state detecting circuit, which are sequentially connected in the cabin in series; an in-phase input end of the voltage comparator is connected with output of the amplitude value detecting circuit; an inverse-phase input end of the voltage comparator is connected with the reference power supply; the output of the reference power supply is connected with input of the processor unit; the cabin door state detecting circuit is connected with another input of the processor unit; a control end of the electronic switch circuit is connected with output end of the processor unit; and the two ends of the switch are mutually spliced with the two ends of an in-cabin door opening button respectively. The control method comprises the following steps: when the cabin door of the ATM machine protective cabin is closed and the automatic door opening device detects that child's crying is larger than 55 decibels, outputting a door opening signal to simulate the in-cabin door opening button, thereby opening the cabin door and making a trapped child get out of the ATM machine protective cabin.
Automatic door opening device after locking ATM machine protective cabin door and control method for automatic door opening device
TAN QINGQING (author) / WU JIANKANG (author) / WANG CHANGBAO (author) / ZHANG MING (author) / HU GUANGPENG (author)
2015-12-02
Patent
Electronic Resource
English
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
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