Modular battery energy storage system
By introducing a BMS unit with isolated CAN and RS485 communication interfaces into the battery energy storage system, automatic ID allocation and charging wake-up for battery series and parallel connections are realized, solving the problems of low installation efficiency and difficulty in charging wake-up in the existing technology, and improving the standardization and reliability of the system.
CN224305442UActive Publication Date: 2026-05-29XIAMEN LIANGDAO ENERGY DEVELOPMENT CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAMEN LIANGDAO ENERGY DEVELOPMENT CO LTD
- Filing Date
- 2025-04-14
- Publication Date
- 2026-05-29
Smart Images
Figure CN224305442U_ABST
Abstract
The utility model discloses a modularization battery energy storage system, include: parallel N battery string (N >=1), and each battery string is by M standard battery package (M >=1) series connection and is composed, each battery package contains BMS unit, BMS unit integration: a) 2 isolated CAN communication interface, in each battery string, and each BMS unit forms chain communication topology through double CAN communication interface, b) at least 1 isolated RS485 communication interface is used for the communication interconnection between different battery string, c) MCU chip, include: wake -up circuit, with the isolated CAN communication interface is connected, is used for responding CAN communication signal and triggers wake -up signal and generates equipment identification, master -slave decision circuit is connected with isolated RS485 communication interface, and the master -slave relationship is determined through level comparison. The system has realized the effect such as the standardization degree promotion, installation efficiency promotion and reliability enhancement.
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