EP 2998259 A1 20160323 - An elevator system and a method for controlling elevator safety
Title (en)
An elevator system and a method for controlling elevator safety
Title (de)
Aufzugsanlage und Verfahren zur Steuerung der Aufzugsicherheit
Title (fr)
Système d'ascenseur et procédé de commande de sécurité d'ascenseur
Publication
Application
Priority
EP 14185329 A 20140918
Abstract (en)
The invention is related to an elevator system and to a method of supervising elevator safety. The elevator system comprises an elevator car (1), a drive unit (2, 6) configured to drive the elevator car (1), a first measuring device (3) for measuring elevator load weight (4), a second measuring device (3', 3") for measuring elevator load weight (4), the second measuring device (3', 3") being independent from the first measuring device (3) and a safety control unit (5) associated with the drive unit (2, 6). The safety control unit (5) comprises an input channel (8A) for receiving a first elevator load weight information (10) from the first measuring device (3), an input channel (8B) for receiving a second elevator load weight information (10') from the second measuring device (3', 3") and a comparator (9) configured to compare the first elevator load weight information (10) with the second elevator load weight information (10') and to output a comparison result (12). The safety control unit (5) is configured to selectively allow or block elevator operation based on the comparison result (12).
IPC 8 full level
B66B 5/02 (2006.01)
CPC (source: EP)
B66B 5/02 (2013.01); B66B 5/145 (2013.01)
Citation (search report)
- [XI] JP H1111817 A 19990119 - HITACHI BUILDING SYST CO LTD
- [X] US 2009314584 A1 20091224 - SMITH RORY S [US], et al
- [I] DE 102004058756 A1 20060614 - SIEMENS AG [DE]
- [T] WO 2013115827 A1 20130808 - OTIS ELEVATOR CO [US], et al
- [T] WO 2009073025 A1 20090611 - OTIS ELEVATOR CO [US], et al
- [T] EP 2022742 A1 20090211 - THYSSENKRUPP ELEVATOR AG [DE]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 14185329 A 20140918