Patent ID: 7969047
Filing Date: 2011-06-28
Classification: H01R

Abstract:
1. An intelligent switching on/off socket, which includes a housing, jacks arranged in said housing, said jacks including master jacks and slave jacks, master conducting strips arranged in master jacks and slave conducting strips arranged in slave jacks, wherein a control circuit is further arranged in said housing to make the slave conducting strips connect or disconnect upon connection or disconnection of the master conducting strips, the control circuit including a current sampling circuit used for current sampling when switching on/off the power of the master conducting strip; a signal amplification circuit used for amplifying sampling current signals; a reference signal acquisition circuit to determine the magnitude of a reference current according to current amplification signals; a memorizer to save reference current signal acquired by the reference signal acquisition circuit, a signal comparator to compare values of reference current signals with values of current amplification signals; a control output circuit to send out control signals; and a relay to receive control of the control signal of the control output circuit; wherein said relay is connected with said slave conducting strips, said current sampling circuit is connected respectively with an input end of said signal amplification circuit and master conducting strips, an output end of said signal amplification circuit is connected respectively with an input end of said reference signal acquisition circuit and an input end of the signal comparator, an output end of said reference signal acquisition circuit is connected with an input end of said memorizer, an output end of said memorizer is connected with an input end of said signal comparator, an output end of said signal comparator is connected with an input end of said control output circuit, and an output end of the control output circuit is connected with said relay.