Battery pack module, multi-battery pack power supply system and control method

• Main Author: SUN MIN
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention provides a battery pack module, a multi-battery pack power supply system and a control method, and relates to the field of electric power-assisted bicycles. The battery pack module comprises a battery pack, a switch unit, a control unit, a power supply circuit, a battery management unit and a bus interface, the battery pack is connected with one end of the switch unit, the other end of the switch unit is used for being connected with other battery pack modules in parallel, and the battery pack is connected with the control unit through the power supply circuit and connected with the battery management unit. The battery management unit is connected with the control unit, the control unit is connected with the switch unit, the control unit is connected with the bus interface, the bus interface is used for being in communication connection with other battery pack modules, and the control unit in the battery pack module conducts communication interaction with other battery pack modules through the b