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    • 3. 发明申请
    • Method for detecting arc faults
    • 电弧故障检测方法
    • US20060050450A1
    • 2006-03-09
    • US10937487
    • 2004-09-09
    • Christian PellonMark RabinerMichael ParkerChristopher NicollsKeith KawateRobert ZanelliRoger MayerLucien FontaineMichael LavadoLynwald EdmundsJeffrey Ting
    • Christian PellonMark RabinerMichael ParkerChristopher NicollsKeith KawateRobert ZanelliRoger MayerLucien FontaineMichael LavadoLynwald EdmundsJeffrey Ting
    • H02H3/00
    • H02H1/0015H02H1/0092
    • An apparatus and method for detecting arc faults that have reduced susceptibility to nuisance tripping. The apparatus includes a current sensor, an input sense circuit, an arcing sense circuit, a power supply, a tripping (firing) circuit, a processor, and an electromechanical interface. The current sensor monitors a power input comprising an AC current, and provides high frequency components of the. AC current to the input sense circuit. The input sense circuit filters and rectifies the AC signal, and provides the rectified signal to the arcing sense circuit. The arcing sense circuit provides a voltage level accumulated over a predetermined time period, and digital signals indicative of possible electrical arcing occurring during the sampling period, to the processor. The processor measures the voltage level, stores information relating to measured voltages and the digital signals, and processes the stored information using one or more algorithms, thereby determining whether the signals resulted from an arc fault or a nuisance load. In the event the signals resulted from an arc fault, the processor activates the firing circuit to trip the electromechanical interface, thereby interrupting the power output to the load.
    • 用于检测电弧故障的装置和方法,其具有降低的对故障跳闸的敏感性。 该装置包括电流传感器,输入检测电路,电弧感测电路,电源,跳闸(点火)电路,处理器和机电接口。 电流传感器监测包括AC电流的功率输入,并提供高频分量。 交流电流到输入检测电路。 输入检测电路对AC信号进行滤波和整流,并将整流后的信号提供给电弧感测电路。 电弧感测电路提供在预定时间段内累积的电压电平,以及指示在采样周期期间发生的可能的电弧放电的数字信号到处理器。 处理器测量电压电平,存储与测量电压和数字信号有关的信息,并使用一种或多种算法对存储的信息进行处理,从而确定信号是由电弧故障还是由妨扰负载引起的。 在信号由于电弧故障引起的情况下,处理器激活点火电路以使机电接口跳闸,从而中断输出到负载的功率。
    • 6. 发明申请
    • Apparatus for detecting arc faults
    • 电弧故障检测装置
    • US20060050447A1
    • 2006-03-09
    • US10937486
    • 2004-09-09
    • Christian PellonMark RabinerMichael ParkerChristopher NicollsKeith KawateRobert ZanelliRoger MayerLucien FontaineMichael LavadoLynwald EdmundsJeffrey Ting
    • Christian PellonMark RabinerMichael ParkerChristopher NicollsKeith KawateRobert ZanelliRoger MayerLucien FontaineMichael LavadoLynwald EdmundsJeffrey Ting
    • H02H3/00
    • H02H1/0015H02H1/04
    • An apparatus and method for detecting arc faults that have reduced susceptibility to nuisance tripping. The apparatus includes a current sensor, an input sense circuit, an arcing sense circuit, a power supply, a tripping (firing) circuit, a processor, and an electromechanical interface. The current sensor monitors a power input comprising an AC current, and provides high frequency components of the AC current to the input sense circuit. The input sense circuit filters and rectifies the AC signal, and provides the rectified signal to the arcing sense circuit. The arcing sense circuit provides a voltage level accumulated over a predetermined time period, and digital signals indicative of possible electrical arcing occurring during the sampling period, to the processor. The processor measures the voltage level, stores information relating to measured voltages and the digital signals, and processes the stored information using one or more algorithms, thereby determining whether the signals resulted from an arc fault or a nuisance load. In the event the signals resulted from an arc fault, the processor activates the firing circuit to trip the electromechanical interface, thereby interrupting the power output to the load.
    • 用于检测电弧故障的装置和方法,其具有降低的对故障跳闸的敏感性。 该装置包括电流传感器,输入检测电路,电弧感测电路,电源,跳闸(点火)电路,处理器和机电接口。 电流传感器监视包括AC电流的功率输入,并且将AC电流的高频分量提供给输入检测电路。 输入检测电路对AC信号进行滤波和整流,并将整流后的信号提供给电弧感测电路。 电弧感测电路提供在预定时间段内累积的电压电平,以及指示在采样周期期间发生的可能的电弧放电的数字信号到处理器。 处理器测量电压电平,存储与测量电压和数字信号有关的信息,并使用一种或多种算法对存储的信息进行处理,从而确定信号是由电弧故障还是由妨扰负载引起的。 在信号由于电弧故障引起的情况下,处理器激活点火电路以使机电接口跳闸,从而中断输出到负载的功率。
    • 9. 发明申请
    • Thermally activated circuit interrupter
    • 热活化断路器
    • US20070247272A1
    • 2007-10-25
    • US11407664
    • 2006-04-20
    • Lucien FontaineStephen Bryant
    • Lucien FontaineStephen Bryant
    • H01H71/16
    • H01H77/04
    • A thermally activated circuit interrupter (10) has a cantilever mounted, snap acting thermostatic disc (16) mounting a movable electric contact (18) that is adapted to move between a contacts engaged position and a tripped, contacts disengaged position. A pivot member (24) is rotatably mounted above the thermostatic disc and movably mounts a latch (26d) that is biased by spring arm (26a) against the edge of the free end of thermostatic disc (16) in the contacts engaged position and is moved under the thermostatic disc when the disc moves to the contacts disengaged position. An arm (24b) of the pivot member transfers motion to a trip indicator button (32) pushing the button to an exposed position upon rotation of the pivot member when the thermostatic disc moves to the tripped configuration and the latch moves under the disc. The trip indicator button also serves as a reset button so that upon cooling of the thermostatic disc to the reset temperature, the button can be depressed transferring motion to the arm (24b) of the pivot member thereby moving the latch from under the disc allowing the disc to move to the contacts engaged configuration.
    • 热激活电路断路器(10)具有悬臂安装的卡扣式恒温盘(16),其安装适于在触点接合位置和跳闸的接触脱离位置之间移动的可移动电触点(18)。 枢转构件(24)可旋转地安装在恒温盘的上方并且可移动地安装由弹簧臂(26a)偏压在触头接合位置的恒温盘(16)的自由端的边缘上的闩锁(26d) 并且当盘移动到触点脱离位置时在恒温盘下方移动。 枢轴构件的臂(24b)将运动转移到跳闸指示器按钮(32),当恒温盘移动到跳闸构造并且闩锁在盘下方移动时,枢转构件旋转时将按钮推动到暴露位置。 跳闸指示器按钮还用作复位按钮,使得当将恒温盘冷却到复位温度时,可以按下按钮将运动传递到枢转构件的臂(24b),从而使闩锁从盘下方允许 光盘移动到触点接合配置。
    • 10. 发明授权
    • Method for detecting arc faults
    • 电弧故障检测方法
    • US07190562B2
    • 2007-03-13
    • US10937487
    • 2004-09-09
    • Christian V. PellonMark D. RabinerMichael ParkerChristopher A. NicollsKeith W. KawateRobert ZanelliRoger D. MayerLucien FontaineMichael J. LavadoLynwald EdmundsJeffrey B. Ting
    • Christian V. PellonMark D. RabinerMichael ParkerChristopher A. NicollsKeith W. KawateRobert ZanelliRoger D. MayerLucien FontaineMichael J. LavadoLynwald EdmundsJeffrey B. Ting
    • H02H3/00
    • H02H1/0015H02H1/0092
    • An apparatus and method for detecting arc faults that have reduced susceptibility to nuisance tripping. The apparatus includes a current sensor, an input sense circuit, an arcing sense circuit, a power supply, a tripping (firing) circuit, a processor, and an electromechanical interface. The current sensor monitors a power input comprising an AC current, and provides high frequency components of the. AC current to the input sense circuit. The input sense circuit filters and rectifies the AC signal, and provides the rectified signal to the arcing sense circuit. The arcing sense circuit provides a voltage level accumulated over a predetermined time period, and digital signals indicative of possible electrical arcing occurring during the sampling period, to the processor. The processor measures the voltage level, stores information relating to measured voltages and the digital signals, and processes the stored information using one or more algorithms, thereby determining whether the signals resulted from an arc fault or a nuisance load. In the event the signals resulted from an arc fault, the processor activates the firing circuit to trip the electromechanical interface, thereby interrupting the power output to the load.
    • 用于检测电弧故障的装置和方法,其具有降低的对故障跳闸的敏感性。 该装置包括电流传感器,输入检测电路,电弧感测电路,电源,跳闸(点火)电路,处理器和机电接口。 电流传感器监测包括AC电流的功率输入,并提供高频分量。 交流电流到输入检测电路。 输入检测电路对AC信号进行滤波和整流,并将整流后的信号提供给电弧感测电路。 电弧感测电路提供在预定时间段内累积的电压电平,以及指示在采样周期期间发生的可能的电弧放电的数字信号到处理器。 处理器测量电压电平,存储与测量电压和数字信号有关的信息,并使用一种或多种算法对存储的信息进行处理,从而确定信号是由电弧故障还是由妨扰负载引起的。 在信号由于电弧故障引起的情况下,处理器激活点火电路以使机电接口跳闸,从而中断输出到负载的功率。