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Battery management system fault FDIR system and method based on double redundancy

A battery management system, dual-redundancy technology, applied in secondary batteries, secondary battery repair/maintenance, circuits, etc., can solve problems such as insufficient fault handling of the battery management system, and achieve the effect of ensuring safety and reliability.

Active Publication Date: 2019-01-04
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the fault handling of the existing battery management system is not comprehensive enough, and propose a battery management system fault FDIR system and method based on dual redundancy

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  • Battery management system fault FDIR system and method based on double redundancy

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Embodiment

[0048] The fault FDIR system based on the dual redundancy battery management system described in the embodiment of the present invention, such as figure 1 As shown, it includes a first data acquisition module, a second data acquisition module, an analysis redundancy module, a hardware redundancy module and a fault reconstruction module, the first data acquisition module is connected with the analysis redundancy module, and the second data acquisition module is connected with the hardware The redundancy module is connected, and the fault reconstruction module is respectively connected with the hardware redundancy module and the analysis redundancy module;

[0049]The first data collection module is used to collect the operation data of the battery pack and send it to the parsing redundancy module;

[0050] The second data collection module is used to collect hardware status data of the battery management system and send it to the hardware redundancy module;

[0051] The analys...

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Abstract

The invention relates to the technical field of a battery management system, aims to solve a problem of incomplete fault processing in a battery management system in the prior art and provides a battery management system fault FDIR system and method based on double redundancy. The system includes a first data acquisition module, a second data acquisition module, a resolution redundancy module, a hardware redundancy module and a fault reconstruction module, wherein the first data acquisition module is connected with the analysis redundancy module, the second data acquisition module is connectedwith the hardware redundancy module, and the fault reconstruction module is respectively connected with the hardware redundancy module and the analysis redundancy module. The battery management system is detected, isolated and reconstructed through hardware redundancy and analytical redundancy, not only can faults of a battery pack be detected accordingly, but also hardware faults of the batterymanagement system can be processed, comprehensive fault processing of the battery management system is achieved, and the method is suitable for the battery management system.

Description

technical field [0001] The present invention relates to the technical field of battery management systems, in particular to a fault FDIR system and method. Background technique [0002] In the development process of today's new energy technology, batteries as energy storage devices have been widely used in various new energy products, such as new energy vehicles, new energy ships, etc. Limited by the raw materials and manufacturing process of the battery, single batteries need to be used in series and parallel on a large scale to form a battery pack to meet the capacity, voltage and current requirements of new energy products. This also brings a series of problems such as large number of series and parallel nodes, complex system, high safety and durability requirements, etc. It is necessary to use the battery management system to monitor and manage the battery pack, and to monitor the potential problems of the energy storage system in the new energy technology. Fault predic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36H01M10/42
CPCG01R31/3644H01M10/425H01M2010/4271Y02E60/10
Inventor 周迅黄勇孟令锋代高强贾宗锐
Owner SICHUAN CHANGHONG ELECTRIC CO LTD
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