Battery charging device

• Main Authors: FAN YUANCHENG, HU ZHENHUI
• Format: Patent
• Language: Chinese; English
• Published: 12.05.2010
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a battery charging circuit which comprises a rectifying and filtering module connected with an alternating current power supply, a power output control model connected between the rectifying and filtering module and a switch transformer, the switch transformer connected with the rectifying and filtering module, an output electric current rectifying and filtering module connected between the switch transformer and a charging terminal, a voltage sampling and amplifying module used for collecting and amplifying output voltage signals output by the output electric currentrectifying and filtering module and outputting the voltage signals to a signal feedback module, an electric current sampling and amplifying module used for collecting and amplifying electric current signals output by the output electric current rectifying and filtering module and outputting the electric current signals to the signal feedback module, and the signal feedback module used for feedingback signals output by the