Software upgrading method, device, upper computer and system of battery management unit

CN119576375AActive Publication Date: 2025-03-07CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510143276.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-03-07
Estimated Expiration
2045-02-10

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Abstract

The invention provides a software upgrading method and device for a battery management unit, an upper computer and a system, and relates to the technical field of battery management. The method comprises the following steps: sending an upgrade request to a plurality of battery management units based on a UDS protocol, so that the battery management units respond to the upgrade request; after a first UDS response returned by the battery management unit is received, a UDS diagnosis service request is sent to the battery management unit, so that the battery management unit performs diagnosis; and after a second UDS response returned by the battery management unit is received, sending an upgrade code request based on the function addressing, so that the battery management unit performs code upgrade based on the upgrade code request. According to the embodiment of the invention, through the function addressing of the UDS protocol, a plurality of battery management units can be upgraded at the same time, and the software upgrading efficiency of the plurality of battery management units is improved.
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Citation Information

Patent Citations

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