Solar power supply device with power output circuit

• Main Author: QIU YANJUN
• Format: Patent
• Language: Chinese; English
• Published: 29.06.2011
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES; SYSTEMS FOR STORING ELECTRIC ENERGY

The utility model discloses a solar power supply system with a power output circuit, which comprises a solar cell component, a photovoltaic controller and a storage battery component. The photovoltaic controller comprises a reverse-charging protecting circuit, an overcharging protecting circuit, an over-discharging protecting circuit and the power output circuit, the power output circuit has at least three voltage output modes and includes at least three power output interfaces, outputted voltage of a power source is converted by a DC-DC circuit, and the power output circuit is provided with a fast recovery diode D10 for preventing power-interruption transient surge current. The power source is stable, safe and durable, a plurality of power output functions are available, and the solar power supply device solves the problem of multifunctional usage in regions without a power grid or optical cables, families and field operation enterprises without electricity, illumination for travel and frontier defense, mult