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1. (WO2015045096) ELEVATOR CONTROL DEVICE

Pub. No.:    WO/2015/045096    International Application No.:    PCT/JP2013/076264
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Sat Sep 28 01:59:59 CEST 2013
IPC: B66B 5/00
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: KUBOTA, Takehiko
久保田 猛彦
Title: ELEVATOR CONTROL DEVICE
Abstract:
The present invention is an elevator control device, wherein: a DC-DC converter (32) that has a first and a second switching element (46, 47) generates power for operating an elevator brake (12) by way of the first and the second switching elements (46, 47) being operated alternately; a first and a second photocoupler (33, 34) independently operate each of the first and the second switching elements (46, 47); and a first and a second calculating unit independently control the power supply voltage to each of the first and the second photocouplers (33, 34).