Battery control circuit, device and equipment

• Main Authors: LIU YOUHENG, HUANG YABIAO, MA DAOTING, LIU TAO, ZHANG JINLEI, ZHU JIANGUO
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2021
• 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 embodiment of the invention provides a battery control circuit, device and equipment. The circuit comprises an AC power grid, a rectifier, a DC bus, K bidirectional DCDCs, K battery packs and loads, K battery pack management systems and a communication bus. The AC power grid is connected with the input end of the rectifier, and the output end of the rectifier is connected with the DC bus. The DC bus is connected with the first end of each bidirectional DCDC in the K bidirectional DCDCs and the first end of the load, the second end of each bidirectional DCDC in the K bidirectional DCDCs is connected with the first end of one battery pack in the K battery packs, the second end of each battery pack in the K battery packs is grounded, and the second end of the load is grounded; the K battery pack management systems and the K battery packs are in one-to-one correspondence and are correspondingly connected, and the communication bus is connected with each battery pack management system in the K battery pack man