Title:
ACTION TESTING METHOD AND ACTION TESTING DEVICE OF GOVERNOR SYSTEM FOR ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2023/079734
Kind Code:
A1
Abstract:
The present invention discloses an action testing method for a governor system, the method capable of testing the actions of the governor system that actuates an emergency stop device on the basis of an image inside a hoistway, while a passenger car is stopped. This action testing method for a governor system for elevators is a method for testing the actions of the governor system that actuates an emergency stop device (2) when an excessive speed state of a passenger car (1) is detected on the basis of an image of the surface of a guide rail (4) acquired by an imaging sensor (3) provided to the passenger car, wherein the method involves simulating the surface state of the guide rail and acquiring, with the image sensor, moving images of a pattern flowing along the hoisting direction of the passenger car.
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Inventors:
KUBO YOSUKE (JP)
SAITO YUKI (JP)
ITO YASUSHI (JP)
ZAMA HIDETAKA (JP)
NAKAYAMA TETSUYA (JP)
SAITO YUKI (JP)
ITO YASUSHI (JP)
ZAMA HIDETAKA (JP)
NAKAYAMA TETSUYA (JP)
Application Number:
PCT/JP2021/040972
Publication Date:
May 11, 2023
Filing Date:
November 08, 2021
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B5/00; B66B5/06
Domestic Patent References:
| WO2006073015A1 | 2006-07-13 |
Foreign References:
| JP2010001083A | 2010-01-07 | |||
| JP2020007085A | 2020-01-16 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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