PROCEDURE FOR SUPERVISING THE OPERATION OF A CONTACT CIRCUIT IN AN ELEVATOR
    1.
    发明申请
    PROCEDURE FOR SUPERVISING THE OPERATION OF A CONTACT CIRCUIT IN AN ELEVATOR 审中-公开
    监控电梯中接触电路操作的程序

    公开(公告)号:WO9848288A3

    公开(公告)日:1999-02-11

    申请号:PCT/FI9800346

    申请日:1998-04-17

    CPC classification number: G01R31/3274 G01R31/043

    Abstract: The invention relates to a procedure for supervising the operation of contact circuits in an elevator, which contact circuit (7) comprises safety contacts (6) connected in series with a contactor (8). The contactor (8) is energised when the safety contacts (6) are closed. The arithmetic mean (U(i)) of an alternating voltage (U(t)) in a voltage measuring circuit (3) during a measuring period (i) is monitored and, when a voltage change exceeding a given threshold value occurs, the number of measuring periods (N) elapsing from the time of the change from the stable state preceding the change until reaching the stable state again is counted, and when the number of measuring periods exceeds a predetermined value, an abnormal switching event is indicated.

    5.
    发明专利
    未知

    公开(公告)号:AT301611T

    公开(公告)日:2005-08-15

    申请号:AT03701551

    申请日:2003-02-03

    Applicant: KONE CORP

    Abstract: Method for telemonitoring the condition and state of an elevator and for determining its need for maintenance by performing an automatic test run of the elevator car (1) in the elevator shaft (2) to collect data for use in an elevator telemonitoring process. The method of the present invention is characterized in that the aforesaid test run comprises a number of automatic test run cycles synchronized with respect to each other.

    6.
    发明专利
    未知

    公开(公告)号:FI117432B

    公开(公告)日:2006-10-13

    申请号:FI20020234

    申请日:2002-02-05

    Applicant: KONE CORP

    Abstract: Method for telemonitoring the condition and state of an elevator and for determining its need for maintenance by performing an automatic test run of the elevator car (1) in the elevator shaft (2) to collect data for use in an elevator telemonitoring process. The method of the present invention is characterized in that the aforesaid test run comprises a number of automatic test run cycles synchronized with respect to each other.

    7.
    发明专利
    未知

    公开(公告)号:FI116937B

    公开(公告)日:2006-04-13

    申请号:FI20041403

    申请日:2004-11-01

    Applicant: KONE CORP

    Abstract: The invention concerns a method and a system for ensuring the operation of the safety circuit of an elevator or escalator, said safety circuit containing safety contacts ( 10, 12, 14 ) connected in series with a contactor ( 16 ). In the method, the largest bypass current coming to the contactor in a fault situation is defined, a testing device ( 202 ) is connected in series with the safety circuit, said testing device containing at least one resistor ( 26 ), which is used to produce a desired test current that is larger than the largest bypass current, and the neutral point ( 18 ) of the safety circuit is shifted if the contactor ( 16 ) remains energized by the aforesaid test current.

    8.
    发明专利
    未知

    公开(公告)号:DE60301262D1

    公开(公告)日:2005-09-15

    申请号:DE60301262

    申请日:2003-02-03

    Applicant: KONE CORP

    Abstract: Method for telemonitoring the condition and state of an elevator and for determining its need for maintenance by performing an automatic test run of the elevator car (1) in the elevator shaft (2) to collect data for use in an elevator telemonitoring process. The method of the present invention is characterized in that the aforesaid test run comprises a number of automatic test run cycles synchronized with respect to each other.

    9.
    发明专利
    未知

    公开(公告)号:FI20020234A

    公开(公告)日:2003-08-06

    申请号:FI20020234

    申请日:2002-02-05

    Applicant: KONE CORP

    Abstract: Method for telemonitoring the condition and state of an elevator and for determining its need for maintenance by performing an automatic test run of the elevator car (1) in the elevator shaft (2) to collect data for use in an elevator telemonitoring process. The method of the present invention is characterized in that the aforesaid test run comprises a number of automatic test run cycles synchronized with respect to each other.

    10.
    发明专利
    未知

    公开(公告)号:FI20020234A0

    公开(公告)日:2002-02-05

    申请号:FI20020234

    申请日:2002-02-05

    Applicant: KONE CORP

    Abstract: Method for telemonitoring the condition and state of an elevator and for determining its need for maintenance by performing an automatic test run of the elevator car (1) in the elevator shaft (2) to collect data for use in an elevator telemonitoring process. The method of the present invention is characterized in that the aforesaid test run comprises a number of automatic test run cycles synchronized with respect to each other.

Patent Agency Ranking