公开(公告)号：US20190202667A1

公开(公告)日：2019-07-04

申请号：US16326747

申请日：2017-08-22

Applicant: Inventio AG

Inventor： Fan Zhang

IPC: B66B7/12 ,  B66B9/00 ,  B66B1/28 ,  G01N27/02 ,  D07B1/14 ,  D07B1/06

CPC classification number: B66B7/1223 ,  B66B1/28 ,  B66B9/00 ,  D07B1/068 ,  D07B1/145 ,  D07B2201/2041 ,  D07B2201/2087 ,  D07B2201/2092 ,  D07B2205/3025 ,  D07B2501/2007 ,  G01N27/028

Abstract: A method for determining a state of an elevator system suspension traction apparatus having at least one electrically conductive cord with a first end and an opposite second end, the cord having a wave impedance. A signal generator is electrically connected to the cord first end and a terminating resistor having a first resistance value matched to the wave impedance of the cord is electrically connected to the cord second end. The method includes the steps: inputting an, in particular alternating, electrical excitation signal of the signal generator into the cord first end; at least one of measuring a reflection signal of the excitation signal at the cord first end, and measuring a transmitted signal of the excitation signal at the cord second end; and determining the state of the suspension traction apparatus by comparing the excitation signal with at least one of the reflection signal and the transmitted signal.

公开(公告)号：US20200307956A1

公开(公告)日：2020-10-01

申请号：US16302135

申请日：2017-05-15

Applicant: Inventio AG

Inventor： Fan Zhang

IPC: B66B7/12

Abstract: A method and a correspondingly configured device detect damage or defects in a support, including at least one tension member, for an elevator system. A pulse generator generates at least one electrical digital input signal that represents at least one first binary number and is fed to the tension member. After the digital input signal has passed through the tension member, it is detected as a digital output signal that likewise represents at least one second binary number. The second binary number is then compared, in particular compared digit by digit or bit by bit, with a setpoint binary number and/or directly with the first binary number. Damage in the tension member is determined on the basis of an issued comparison result. If the second binary number deviates from the setpoint binary number and/or from the first binary number, a fault message is generated.

公开(公告)号：US11305966B2

公开(公告)日：2022-04-19

申请号：US16302135

申请日：2017-05-15

Applicant: Inventio AG

Inventor： Fan Zhang

IPC: B66B7/12 ,  B66B7/06

Abstract: A method and a correspondingly configured device detect damage or defects in a support, including at least one tension member, for an elevator system. A pulse generator generates at least one electrical digital input signal that represents at least one first binary number and is fed to the tension member. After the digital input signal has passed through the tension member, it is detected as a digital output signal that likewise represents at least one second binary number. The second binary number is then compared, in particular compared digit by digit or bit by bit, with a setpoint binary number and/or directly with the first binary number. Damage in the tension member is determined on the basis of an issued comparison result. If the second binary number deviates from the setpoint binary number and/or from the first binary number, a fault message is generated.