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1. (WO2018087803) ELEVATOR CONTROL DEVICE, CONTROL METHOD, AND ELEVATOR

Pub. No.:    WO/2018/087803    International Application No.:    PCT/JP2016/083055
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Wed Nov 09 00:59:59 CET 2016
IPC: B66B 5/00
B66B 1/34
Applicants: HITACHI, LTD.
株式会社日立製作所
Inventors: SAITO Yuki
齊藤 勇来
HOSHINO Takamichi
星野 孝道
YABUUCHI Tatsushi
藪内 達志
TORIYABE Jun
鳥谷部 潤
Title: ELEVATOR CONTROL DEVICE, CONTROL METHOD, AND ELEVATOR
Abstract:
This elevator control device comprises a first system power supply control device that has one end connected to safety devices, which is driven by power supplied from a safety device power supply and stops the travel of a car, and the other end connected to the safety device power supply, the first system power supply control device controlling the supply of power to the safety devices from the safety device power supply. This elevator control device also comprises a second system power supply control device that is connected in parallel with the first system power supply control device. Furthermore, this elevator control device comprises a safety controller that switches and analyzes the operation of the first system power supply control device and the second system power supply control device after predetermined time intervals.