Title:
DOOR ABNORMALITY DETECTION SYSTEM AND ELEVATOR SYSTEM
Document Type and Number:
Japanese Patent JP2020117318
Kind Code:
A
Abstract:
To provide a door abnormality detection system which detects door abnormality accompanied by a car traveling regardless of the type of door abnormality by an external sensor and issues an alarm according to the detection result to an external device.SOLUTION: A door abnormality detection system 200 detects a door abnormality of an elevator 100 with a function of an evasive travel to another floor which makes a car 111 travel to another floor when an elevator door causes a door-opening failure. The door abnormality detection system comprises a detection device 210 installed on a car door 112, and to detect the travelling state of the car 111 and an opening/closing operation of the car door 112 as detection information, an abnormality determination part 223 to determine whether or not a door abnormality occurs based on the detected information and to output an alarm instruction, and an alarm generating part 224 to generate an alarm signal according to the alarm instruction. An abnormality determination part 223 detects the door opening failure based on the detected information and determines that the door abnormality occurs when the door opening failure again occurs repeatedly a predetermined number of times after the evacuating travel to another floor executed.SELECTED DRAWING: Figure 3
Inventors:
DOI YUSUKE
NISHIE SATOSHI
NISHIE SATOSHI
Application Number:
JP2019007321A
Publication Date:
August 06, 2020
Filing Date:
January 18, 2019
Export Citation:
Assignee:
HITACHI BUILDING SYST CO LTD
International Classes:
B66B13/14; B66B5/00; B66B5/02
Domestic Patent References:
| JPS58162486A | 1983-09-27 | |||
| JP2011111304A | 2011-06-09 | |||
| JP2016222438A | 2016-12-28 | |||
| JP2012224435A | 2012-11-15 |
Foreign References:
| WO2018150497A1 | 2018-08-23 | |||
| CN206735561U | 2017-12-12 |
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office