Intelligent marine battery management system

The integrated design of the master control unit and wiring harness of the intelligent marine battery management system solves the problems of insufficient power-on and power-off control and fault location of battery clusters in the existing technology, realizes dynamic management of battery clusters and accurate fault location, and improves the stability and safety of the system.

CN120840459APending Publication Date: 2025-10-28SHENZHEN LITHTECH ENERGY CO LTD +1
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Patent Information

Application Number
CN202511167772.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-20
Publication Date
2025-10-28

AI Technical Summary

Technical Problem

Existing marine battery management systems have deficiencies in power-on and power-off control, fire response, and fault location, and are unable to achieve individual shutdown of battery clusters, precise fire protection, and accurate fault location.

Method used

An intelligent marine battery management system is designed, including a domain management box and a battery cluster, equipped with a master control unit, an emergency stop management unit, a high-voltage box and a battery module. The wiring harness integration design of the master control adapter board and the main control adapter board is adopted to realize dynamic management of the battery cluster and precise fault location.

Benefits of technology

It enables dynamic power-on and power-off management of battery clusters, reduces energy consumption, improves system stability and fault location accuracy, provides rapid response safety assurance, and enhances the synergy and safety of ship energy management.

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Abstract

An intelligent marine battery management system disclosed by the present invention comprises a domain management box and a plurality of battery clusters connected with the domain management box, a general control unit and an emergency stop management unit are arranged in the domain management box, and each battery cluster comprises a high-voltage box connected with the domain management box and a plurality of battery modules connected with the high-voltage box. A main control unit and a high-voltage start-stop unit are arranged in the high-voltage box, each battery module comprises a plurality of battery packs which are connected in series, and each battery pack is provided with a slave control unit; the master control unit monitors the running states of all the battery clusters in real time and controls the relays for powering on and powering off each battery cluster; the sudden stop management unit closes all the battery clusters by controlling the high-voltage start-stop units in the high-voltage boxes. The marine battery management system effectively solves the problem that in the prior art, a marine battery management system has defects in the aspects of power-on and power-off control, fire-fighting response and fault positioning.
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