Storage battery charging power supply and control circuit and control method thereof

• Main Authors: TIAN KUN, JIANG HEPING, ZHU XUANHUI, WEI JIKUN
• Format: Patent
• Language: Chinese; English
• Published: 27.02.2024
• 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 storage battery charging power supply and a control circuit and method thereof, and the power supply comprises a first filtering unit, a first rectification filtering unit, a transformer, a third rectification filtering unit, a second rectification filtering unit, a + 5V power supply unit, an isolation transmission unit, a drive control unit, a first PWM control unit, and a second PWM control unit. The system comprises a control unit, a function selection, overheat protection and microprocessor control unit, a liquid crystal screen driving and display control unit, and a signal sampling and connection error protection control unit. The charging power supply of the 6V or 12V storage battery, which has the characteristics of multiple charging modes, liquid crystal screen display, automatic detection and identification, pulse current, constant current, constant voltage or maintenance, full charge control, overheat, short circuit, connection error protection and the like, can be manufact