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Patent Searching and Data


Title:
ELEVATOR CONTROL DEVICE
Document Type and Number:
Japanese Patent JPH11139701
Kind Code:
A
Abstract:

To provide an elevator control device capable of improving the ride quality even when a combination of a winding machine with an electromagnetic brake is changed.

A control circuit 11 for giving driving commands to a drive circuit 3 of an electric motor 4 is structured to be provided with a brake specification setting circuit 13 for setting an optional one out of plural brake specifications, and a braking time timer counter 15 for giving electric motor driving commands after a brake releasing time period which corresponds to setting of the brake specification by the brake specification setting circuit 13 has elapsed. For each brake specification combined, a starting torque is given to the electric motor in response to the time difference between the time when a brake coil is energized and the time when brake torque is released.


Inventors:
SAKURADA HIROAKI
INOUE KATSUHIRO
Application Number:
JP30283497A
Publication Date:
May 25, 1999
Filing Date:
November 05, 1997
Export Citation:
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Assignee:
HITACHI BUILDING SYS CO LTD
International Classes:
B66B1/32; B66B1/30; (IPC1-7): B66B1/30; B66B1/32
Attorney, Agent or Firm:
Kenjiro Take (2 outside)