A method of fault detection of a belt or rope includes interconnecting a plurality of cords of the belt or rope, the cords including a plurality of wires, to form a bridge circuit. A fault detection bridge circuit is subjected to a voltage excitation and outputs a voltage which is indicative of the belt or rope damage but remaining insensitive to other environmental noises.
申请公布号
WO2014130028(A1)
申请公布日期
2014.08.28
申请号
WO2013US27013
申请日期
2013.02.21
申请人
OTIS ELEVATOR COMPANY
发明人
SUN, FANPING;LUO, XIAODONG;MOSHER, DANIEL, A.;ZHANG, HUAN;WESSON, JOHN, P.;CHEN, YAN;THOMPSON, MARK, STEVEN;KOUNTANYA, RAJA;FARGO, RICHARD N.