A BMS management system for energy storage inverter connected battery pack

CN224458176UActive Publication Date: 2026-07-03NINGBO YISHENG ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: NINGBO YISHENG ELECTRONICS CO LTD
Filing Date: 2025-07-03
Publication Date: 2026-07-03

AI Technical Summary

Technical Problem

Battery packs from different manufacturers cannot be cascaded and communicated through the BMS communication port, which makes it impossible to transmit information from all connected battery packs to the same energy storage inverter, thus preventing the matching of charge and discharge management.

Method used

A BMS management system was designed, including a hybrid inverter, BMSHub, battery packs and MCU main control unit. The system realizes protocol conversion and unified management of different battery packs through CAN communication interface and WiFi interface, uses BMSHub for protocol conversion and data integration, and uses MCU main control unit for data processing and transmission.

Benefits of technology

It achieves information integration of battery packs from different manufacturers, improves the flexibility of device networking and human-machine interaction experience, enhances the intelligence and multifunctionality of the device, and is suitable for fields such as industrial control and smart homes.

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Abstract

This utility model relates to the field of BMS communication adapter technology, specifically a BMS management system for connecting an energy storage inverter to a battery pack, comprising: a hybrid inverter, a BMSHub, and at least two battery packs; the hybrid inverter is provided with a CAN communication interface, a BAT+ power interface, and a BAT- power interface; the BMSHub is provided with at least three CAN communication interfaces; each battery pack is provided with a CAN communication interface, a BAT+ power interface, and a BAT- power interface; the CAN communication interface of the hybrid inverter is connected to one CAN communication interface of the BMSHub. This utility model, by integrating CAN communication, meets the different wired requirements of industrial control and enhances the flexibility of equipment use; the OLED display circuit provides a clear and intuitive information display interface, and the button input circuit realizes convenient user command input; the combination of the two enhances the human-machine interaction experience.

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