Alarm device for preventing passengers from falling into elevator shaft

The utility model discloses an alarm device for preventing a passenger from falling into an elevator shaft. The alarm device comprises a hall detection switch, a hall detection switch sensing element, a lift car detection switch, a lift car detection switch sensing element and an audible and visual...

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Bibliographic Details
Main Authors OU QIBIN, HUANG KAIDONG, LIANG JUN
Format Patent
LanguageChinese
English
Published 30.09.2022
Subjects
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The utility model discloses an alarm device for preventing a passenger from falling into an elevator shaft. The alarm device comprises a hall detection switch, a hall detection switch sensing element, a lift car detection switch, a lift car detection switch sensing element and an audible and visual alarm, each lobby detection switch and each lobby detection switch sensing element form a group of lobby landing door detection devices for detecting the opening and closing states of two landing doors of a lobby, and each lobby detection switch and each lobby detection switch sensing element are respectively mounted on the two landing doors of the lobby; one lift car detection switch sensing element and one lift car detection switch mounted at a hoistway position corresponding to one hall form a lift car door detection device for detecting the opening and closing states of a lift car door, and one lift car detection switch sensing element is mounted on the lift car; an audible and visual alarm is arranged at a pro
Bibliography:Application Number: CN202221542005U