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Intelligent battery module and method and system for achieving precise management of monomer power batteries

A single battery and smart battery technology, applied in battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of accelerated failure of outdated batteries, increased consistency differences, and dragged down batteries, etc., to achieve rearrangement and combination, The effect of protecting the remaining working life

Active Publication Date: 2012-12-05
西安讯服通科技有限公司
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Problems solved by technology

Through the above management method and management system, the present invention solves the need to use various equalization operation means during the operation of the existing battery pack, which instead increases and accumulates the consistency difference between the battery cells in the battery pack, accelerates the failure of the backward battery, and at the same time Accelerate the technical disadvantages of dragging down the entire battery pack

Method used

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  • Intelligent battery module and method and system for achieving precise management of monomer power batteries
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  • Intelligent battery module and method and system for achieving precise management of monomer power batteries

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Embodiment Construction

[0044] In the embodiments of the present invention, the inventor noticed that the internal resistance will increase in most cases when the capacity level is attenuated. Because the hardware requirements of the internal resistance test are high, and the uncertainty is also large, this The invention proposes that the ratio of the discharged capacity after the battery is fully charged and fully discharged to the charged capacity required to be fully charged again can be used instead. This capacity ratio is called the battery charge / discharge ratio in the present invention, which requires the battery not only Achieve identifiable ID and input design and manufacturing parameters such as own brand, type, capacity, service life, capacity temperature coefficient, self-discharge rate, and record the number of charge and discharge. It is more necessary to continuously learn and update the battery during the entire battery life. The capacity decay level and the charge / discharge ratio that ...

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Abstract

A method and a system achieve precise management of battery packs not provided with charge and discharge balanced operation units by monitoring and precisely measuring SOC (state of charge) and SOH (state of health) of each monomer battery by means of intelligentized monomer power batteries (provided with intelligent battery modules or chips), and overcome the technical defects that consistency differences among the monomer batteries in each battery pack are increased and accumulated, failure of the backward batteries is accelerated and drag of the whole battery packs is also accelerated due to that fact that various balance operation means are required to be used during operation of the battery packs in the prior art.

Description

Technical field [0001] The present invention relates to a battery management method and a battery management system realized by accurately managing a single power battery, as well as an intelligent single power battery module, and more specifically to the accurate management of a single power battery to realize the connection of a battery pack For example, during the operation of an electric vehicle or an energy storage system, an accurate battery management method and a battery management system that do not need to be equipped with a charge and discharge equalization operation unit, and the intelligent single power battery module used in the foregoing battery management method and system. [0002] The smart single power battery module (for example, it may be included in a smart battery), battery management method, and battery management system of the present invention can be applied to new energy vehicles such as electric vehicles, energy storage systems, and charging and discharg...

Claims

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Application Information

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IPC IPC(8): H02J7/00
Inventor 孟贞生
Owner 西安讯服通科技有限公司
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