公开(公告)号：EP0349273A3

公开(公告)日：1990-07-25

申请号：EP89306522.7

申请日：1989-06-27

申请人： Polster, Louis S.

发明人： Polster, Louis S. ,  Flinders, Ronald R.

IPC分类号： H01H9/50 ,  H01H47/02 ,  H01H9/56

CPC分类号： H01H9/56 ,  H01H47/24 ,  H01H50/048 ,  H01H2009/566 ,  H02H1/0023 ,  Y10T307/773

摘要： For use where there is a relay (42) controlling an AC power circuit to a load (20), such as a cooker heater, an optical sensor (64) observes arcing at the relay contacts (14). A control circuit (54) controls the time of subsequent actuation or deactuation of the relay with respect to the alternating current power circuit so that the relay contacts open or close substantially at a zero crossing point of the AC current, so as to minimise relay contact arcing.

公开(公告)号：EP0349273B1

公开(公告)日：1995-04-05

申请号：EP89306522.7

申请日：1989-06-27

申请人： Polster, Louis S.

发明人： Polster, Louis S. ,  Flinders, Ronald R.

IPC分类号： H01H9/50 ,  H01H47/02 ,  H01H9/56

CPC分类号： H01H9/56 ,  H01H47/24 ,  H01H50/048 ,  H01H2009/566 ,  H02H1/0023 ,  Y10T307/773

公开(公告)号：EP0349273A2

公开(公告)日：1990-01-03

申请号：EP89306522.7

申请日：1989-06-27

申请人： Polster, Louis S.

发明人： Polster, Louis S. ,  Flinders, Ronald R.

IPC分类号： H01H9/50 ,  H01H47/02 ,  H01H9/56

CPC分类号： H01H9/56 ,  H01H47/24 ,  H01H50/048 ,  H01H2009/566 ,  H02H1/0023 ,  Y10T307/773

摘要： For use where there is a relay (42) controlling an AC power circuit to a load (20), such as a cooker heater, an optical sensor (64) observes arcing at the relay contacts (14). A control circuit (54) controls the time of subsequent actuation or deactuation of the relay with respect to the alternating current power circuit so that the relay contacts open or close substantially at a zero crossing point of the AC current, so as to minimise relay contact arcing.

摘要翻译： 为了在将继电器（42）控制到诸如炊具加热器的负载（20）的继电器（42）上使用，光学传感器（64）在继电器触点（14）处观察到电弧。 控制电路（54）控制继电器相对于交流电源电路的后续致动或停用的时间，使得继电器基本上在交流电流的过零点处打开或关闭，以便最小化继电器触点 电弧。