Title:
【発明の名称】エレベータ安全システム
Document Type and Number:
Japanese Patent JP2002538061
Kind Code:
A
Abstract:
In accordance with a preferred embodiment of the present invention, an electronic safety system for elevators for preventing unsafe elevator operation has a central controller which monitors a variety of sensors, contacts, and switches over an electronic safety bus. A plurality of bus nodes are distributed throughout the elevator system and are in constant communication with the central controller over the safety bus. The bus nodes interface with sensors, switches, contacts, detectors, components, and other safety equipment of the elevator system at each location and provide status information back to the controller. The controller consists of a microprocessor board with an input/output port in communication with the safety bus and bus nodes. Upon sensing an unsafe condition, the controller sends control signals to an elevator control system and a drive and brake system to arrest the elevator car in a safe manner.
Inventors:
Herkel, Peter El.
Spielbauer, Hans-Killian Joseph
Spielbauer, Hans-Killian Joseph
Application Number:
JP2000602163A
Publication Date:
November 12, 2002
Filing Date:
March 01, 2000
Export Citation:
Assignee:
Otis Elevator Company
International Classes:
B66B1/34; B66B5/00; (IPC1-7): B66B5/00; B66B3/00
Domestic Patent References:
| JPH03166184A | 1991-07-18 |
Foreign References:
| US5360952A | 1994-11-01 | |||
| DE4207466A1 | 1993-09-16 | |||
| US5487448A | 1996-01-30 | |||
| US4898263A | 1990-02-06 | |||
| DE4032033A1 | 1992-04-16 |
Attorney, Agent or Firm:
Fujiya Shiga (2 outside)