×

Switch failure detection device, battery pack including the same, and method of detecting failure of electronic switch

  • US 9,599,674 B2
  • Filed: 10/21/2016
  • Issued: 03/21/2017
  • Est. Priority Date: 03/01/2012
  • Status: Active Grant
First Claim
Patent Images

1. A switch failure detector configured to be installed in an electric system including an electric storage device, the switch failure detector comprising:

  • at least one electronic switch connected in a path in which a charging current to the electric storage device and a discharging current from the electric storage device flow;

    at least one rectifier for passing a discharging current by bypassing the electronic switch when the electronic switch is turned off; and

    a controller for;

    sending an on-command signal to the at least one electronic switch to turn on the electronic switch; and

    determining whether a switch failure detection process is executable based on a voltage of the electric storage device.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×