Method and apparatus for monitoring elevator door-opening operation fault

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12221322
APP PUB NO 20210221644A1
SERIAL NO

16770632

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Abstract

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The present invention discloses a method and an apparatus for monitoring an elevator door-opening operation fault. The method includes: acquiring elevator control signals from a serial interface between an elevator controller and a control box by using a preset data acquisition device, wherein the elevator control signals include an elevator operation signal, an elevator door control signal, an elevator internal call signal and an elevator floor signal; monitoring whether there is an elevator door fault in the elevator based on the elevator operation signal, the elevator door control signal and the elevator floor signal; when there is the elevator door fault in the elevator and the elevator internal call signal is in a preset level state, determining that there is the elevator door-opening operation fault in the elevator. The present invention is lower in use cost and may be easily popularized and applied.

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Patent Owner(s)

  • SHENZHEN TECHNOLOGY UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, Jianmin Shenzhen, CN 3 0
Sun, Ruize Shenzhen, CN 7 1
Wang, Lei Shenzhen, CN 2386 21419

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