Leakage monitoring chip for leakage protector

Leakage monitoring chip for leakage protector

  • CN 102,723,695 A
  • Filed: 07/06/2012
  • Published: 10/10/2012
  • Est. Priority Date: 07/06/2012
  • Status: Active Grant
First Claim
Patent Images

1. the electric leakage monitoring chip of an earth leakage protective device comprises power supply stabilization circuit, reference voltage generator and latch circuit output, and wherein said power supply stabilization circuit is that reference voltage generator and latch circuit output provide operating voltage;

  • It is characterized in that also comprising circuit structure and identical first amplifying circuit and second amplifying circuit of performance, an input on the said first difference discharge road is electrically connected with an input on the second difference discharge road, and this end is as public input termination external circuit;

    Another input termination external circuit on the first difference discharge road, another input termination external circuit on the second difference discharge road, the output of first amplifying circuit is electrically connected with the input of latch circuit output respectively with the output of second amplifying circuit;

    The input that said reference voltage generator circuit is respectively the first difference discharge road and the second difference discharge road provides reference voltage.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×