Title:
ELEVATOR DIAGNOSIS SYSTEM AND DIAGNOSIS METHOD
Document Type and Number:
WIPO Patent Application WO/2024/084684
Kind Code:
A1
Abstract:
The present invention provides a diagnosis system and a diagnosis method that can diagnose an abnormality in a door torque of an elevator in consideration of influence of an operation environment. A diagnosis system (19) comprises a measurement unit (21), an acquisition unit (23), a correction unit (22), and a determination unit (25). The measurement unit (21) measures the door torque when a door of an elevator (1) opens or closes. The acquisition unit (23) acquires an offset value which corrects the measured value of the door torque by the measurement unit (21) on the basis of environmental information at the time when the measurement unit (21) measured the door torque. The environmental information includes information relating to at least one of the temperature and the humidity. The correction unit (22) uses the offset value acquired by the acquisition unit (23) to correct the measured value of the door torque by the measurement unit (21). The determination unit (25) determines an abnormality in the door torque when a difference between the value of the door torque corrected by the correction unit (22) and a reference value set in advance is greater than a threshold value set in advance.
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Inventors:
HASEGAWA TAIRA (JP)
YAMASAKI SATOSHI (JP)
YAMASAKI SATOSHI (JP)
Application Number:
PCT/JP2022/039289
Publication Date:
April 25, 2024
Filing Date:
October 21, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP (JP)
International Classes:
B66B13/14
Domestic Patent References:
| WO2022219820A1 | 2022-10-20 | |||
| WO2022091376A1 | 2022-05-05 |
Foreign References:
| JP2013170031A | 2013-09-02 | |||
| JP2012240789A | 2012-12-10 | |||
| JP2011063404A | 2011-03-31 | |||
| JP2016074531A | 2016-05-12 |
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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