Patent ID: 6404169
Filing Date: 2002-06-11
Classification: H02J,Y02T

Abstract:
An auto-controller of a battery charger which comprises a device circuit for electrically connecting a battery with a power source, wherein said auto-controller comprises:a resistor having a predetermined resistance for electrically connecting to said battery charger wherein said resistor generates heat when a predetermined current flows through that defines a reference temperature of said battery charger; and a thermo sensor, which is operatively positioned adjacent to said resistor, detecting an environment temperature of said resistor as said reference temperature of said battery charger and selectively switching the battery charger between a switch-on condition and a switch-off condition, wherein when said reference temperature is above a control temperature preset in the thermo sensor, the battery charger is switched to said switch-off condition to not function and when the reference temperature is below the control temperature, the battery charger is maintained in said switch-on condition to charge a battery.