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    • 7. 发明授权
    • Electrical signal application strategies for monitoring a condition of an elevator load bearing member
    • 用于监测电梯承载构件状况的电信号应用策略
    • US08011479B2
    • 2011-09-06
    • US10598044
    • 2004-03-16
    • Paul A. StuckyMichael A. KryzmanWilliam A. Veronesi
    • Paul A. StuckyMichael A. KryzmanWilliam A. Veronesi
    • B66B3/00
    • B66B7/1223D07B1/145G01N27/20
    • An elevator load bearing member (30) monitoring device includes a controller (42) that applies a selected electrical signal to tension members (32) of the load bearing member (30). In one example, connectors (40) are associated with ends of the load bearing member (30) to establish an electrical interface between the controller (42) and the tension members (32). The connectors (40) facilitate establishing electrical circuit loops along the tension members (32) such that only non-adjacent tension members are energized at a selected time. A variety of circuit configurations are disclosed. The applied electrical signal in one example has a potential that is negative compared to a ground potential of a hoistway in which the elevator belt is used. In another example, the electrical signal comprises a plurality of pulses and has a duty cycle that is on the order of about one percent.
    • 电梯承载构件(30)监视装置包括将所选择的电信号施加到承载构件(30)的张紧构件(32)的控制器(42)。 在一个示例中,连接器(40)与承载构件(30)的端部相关联,以在控制器(42)和张力构件(32)之间建立电接口。 连接器(40)有助于沿着张力构件(32)建立电路回路,使得只有非相邻的张紧构件在选定的时间被通电。 公开了各种电路配置。 在一个示例中,施加的电信号具有与使用电梯带的井道的地电位相比为负的电位。 在另一示例中,电信号包括多个脉冲,并且具有大约百分之一左右的占空比。
    • 10. 发明申请
    • Electrical Signal Application Strategies for Monitoring a Condition of an Elevator Load Bearing Member
    • 用于监测电梯负载轴承构件状态的电气信号应用策略
    • US20080223668A1
    • 2008-09-18
    • US10598044
    • 2004-03-16
    • Paul A. StuckyMichael A. KryzmanWilliam A. Veronesi
    • Paul A. StuckyMichael A. KryzmanWilliam A. Veronesi
    • B66B3/00
    • B66B7/1223D07B1/145G01N27/20
    • An elevator load bearing member (30) monitoring device includes a controller (42) that applies a selected electrical signal to tension members (32) of the load bearing member (30). In one example, connectors (40) are associated with ends of the load bearing member (30) to establish an electrical interface between the controller (42) and the tension members (32). The connectors (40) facilitate establishing electrical circuit loops along the tension members (32) such that only non-adjacent tension members are energized at a selected time. A variety of circuit configurations are disclosed. The applied electrical signal in one example has a potential that is negative compared to a ground potential of a hoistway in which the elevator belt is used. In another example, the electrical signal comprises a plurality of pulses and has a duty cycle that is on the order of about one percent.
    • 电梯承载构件(30)监视装置包括将所选择的电信号施加到承载构件(30)的张紧构件(32)的控制器(42)。 在一个示例中,连接器(40)与承载构件(30)的端部相关联,以在控制器(42)和张力构件(32)之间建立电接口。 连接器(40)有助于沿着张力构件(32)建立电路回路,使得只有非相邻的张紧构件在选定的时间被通电。 公开了各种电路配置。 在一个示例中,施加的电信号具有与使用电梯带的井道的地电位相比为负的电位。 在另一示例中,电信号包括多个脉冲,并且具有大约百分之一左右的占空比。