DOOR CONTROL MONITORING SYSTEM

WIPO Patent Application WO/2017/041545

A1

Disclosed is a door control monitoring system, comprising a plurality of optical fibre sensors and an optical link detection system. The optical fibre sensors are respectively arranged at a position of the body of a case close to an edge of the door of the case. An optical fibre sensor comprises an optical fibre, a reflection module and a transmission structure. The reflection module is connected in series in the optical link detection system via the optical fibre. The transmission structure is elastically connected to the reflection module. The door of the case is closed such that the transmission structure is shifted by a force and pushes up the reflection module, so as to change the reflectivity of the reflection module. The door of the case is opened such that the transmission structure is returned back, and the reflectivity of the reflection module is restored. The optical link detection system senses the reflectivity of the reflection module, so as to monitor the opening and closing of the door of the case. The door control monitoring system of the present invention can effectively monitor various states of the door of a case, and cannot influence the service quality of a link.

KANG JINGRAN (CN)
XIAO ZHIYONG (CN)
QI BIAO (CN)
LI SANXING (CN)

PCT/CN2016/084469

March 16, 2017

June 02, 2016

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HUAWEI TECH CO LTD (CN)

H04B10/071; G07C9/00; H04B10/25

WO2003042636A2

2003-05-22

CN104236597A	2014-12-24
CN204215230U	2015-03-18
CN103257424A	2013-08-21

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