公开(公告)号：US06232857B1

公开(公告)日：2001-05-15

申请号：US09397684

申请日：1999-09-16

申请人： Henry H. Mason, Jr. ,  Raymond K. Seymour ,  Frederic W. Glabau ,  Douglas B. Tilghman ,  Joseph L. Desormeaux, Jr. ,  Michael C. Guerrette

发明人： Henry H. Mason, Jr. ,  Raymond K. Seymour ,  Frederic W. Glabau ,  Douglas B. Tilghman ,  Joseph L. Desormeaux, Jr. ,  Michael C. Guerrette

IPC分类号： H01H7300

CPC分类号： H01H83/144 ,  H01H71/123 ,  H01H71/16 ,  H01H2083/201

摘要： An arc fault circuit breaker (10) conducting an electric current to a protected load is presented. The circuit breaker (10) has a first (mechanical) compartment (24) and a second (electrical) compartment (62). A bimetal resistor (50) is disposed within the first compartment (24) and conducts the current therethrough. The bimetal resistor (50) has a stud (56) extending into the second compartment (62). A single sense line (60) is electrically connected to the bimetal resistor (50) and routed into the second compartment (62). The sense line (60) and said stud (56) conduct a voltage signal indicative of arcing of the current. A circuit board (84) is disposed within the second compartment (62) and is connected to the sense line (60) and stud (56) within the second compartment (62) to process the voltage signal. The circuit board (84) has a first conductive path (104) electrically connected to the stud (56), and a second conductive path (106) electrically connected to the sense line (60). The first and second conductive paths (104,106) run substantially parallel and proximate to each other such that electromagnetic interference of the voltage signal is substantially reduced.

摘要翻译： 提出了将电流传导到受保护负载的电弧故障断路器（10）。 断路器（10）具有第一（机械）隔室（24）和第二电气隔室（62）。 双金属电阻器（50）设置在第一隔室（24）内并传导电流通过。 双金属电阻器（50）具有延伸到第二隔室（62）中的螺柱（56）。 单个感测线（60）电连接到双金属电阻器（50）并且被引导到第二隔室（62）中。 感测线（60）和所述螺柱（56）传导指示电流的电弧的电压信号。 电路板（84）设置在第二隔室（62）内并且连接到第二隔间（62）内的感测线（60）和螺柱（56）以处理电压信号。 电路板（84）具有电连接到螺柱（56）的第一导电路径（104）和电连接到感测线（60）的第二导电路径（106）。 第一和第二导电路径（104,106）基本上平行且彼此靠近地运行，使得电压信号的电磁干扰显着降低。