02-08-2012 дата публикации
Номер: WO2012102461A1
Принадлежит:
The present invention relates to a battery charging/discharging control circuit using a microcomputer which charges a charger and a capacitor in parallel using a previously-programmed microcomputer, and can simultaneously supply electric power to a load, and can be used as a substitute for commercial power in an emergency. To this end, the present invention provides a battery charging/discharging control circuit, including: a power supply circuit unit (100) which supplies the power of an AC 220V commercial power source (110) in a normal state, supplies the power of an AC 220V generator power source (120) in a power failure state, and has a first protection circuit (130) for protecting a step-down transformer (210, T1) in an abnormal voltage state; a rectification circuit unit (200) having the step-down transformer (210) for transforming a high 220V voltage to a low voltage, a bridge diode (220) for transforming the low AC voltage transformed through the step-down transformer to a DC voltage ...
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