CONSTANT VOLTAGE GENERATING DEVICE USING MAGNETIC FIELD

摘要

PURPOSE: A constant voltage generating device using a magnetic field is provided to stably supply a power source to a sensing/communication module by obtaining a constant voltage source from a magnetic field generated in a bus-bar or a power source cable. CONSTITUTION: The device includes a current converter(100) and a constant voltage generating section(200). The current converter(100) induces a variable AC current from the magnetic field generated by the current flowed in a bus bar or a power source cable. The constant voltage generating section(200) generates a constant voltage source by using the variable AC current induced in the current converter(100). The constant voltage generating section(200) comprises a rectifying section(210), a charger(220), a charging reference voltage setting section(230), a comparator(241), a comparing section(240), a voltage set-up section(250), and a constant voltage section(260).