Safety arrangement of an elevator
作者： Pasi Raassina , Arto Nakari , Ari Kattainen , Lauri Stolt , Antti Kallioniemi
DOI:
关键词: Automotive engineering 、 Bridge (nautical) 、 Electric power 、 DC-BUS 、 Interface circuits 、 Computer science 、 Control circuit 、 State (computer science) 、 Signal 、 Elevator
摘要: The invention relates to a safety arrangement of an elevator, which comprises sensors (27, 28) configured indicate functions that are critical from the viewpoint and also circuit (20, 34), with data formed by aforementioned indicating elevator is read. drive device (1) for driving hoisting machine elevator. DC bus (2 A, 2B), motor bridge (3) connected electricity supply (6). high- side (4A) low-side (4B) switches supplying electric power (2A, 2B) (6) when braking control (5) bridge, operation controlled producing pulses in poles high-side input (12) signal (13), ( 13) can be disconnected/connected outside (1), prevention logic (15), prevent passage (4 A) and/or disconnected. conductor (13) wired 34) means (14) disconnecting/connecting (13). arranged bring into state preventing run disconnecting 13), remove connecting
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