Modular distributed battery management system and method for full life cycle use

A battery management system, full life cycle technology, applied in secondary battery repair/maintenance, electric traction, electric vehicles, etc., to achieve the effect of balancing fast speed, high efficiency, and reducing control tasks

Active Publication Date: 2018-01-09
湖北德普电气股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for a distributed battery management system, how to realize the full life cycle application of the battery pack and reduce the cost of using the battery pack is not enough just to have these functions

Method used

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  • Modular distributed battery management system and method for full life cycle use
  • Modular distributed battery management system and method for full life cycle use

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0032] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention discloses a modular distributed battery management system and method for full life cycle use. Each battery module uploads voltage and temperature of its own, so as to help determine consistency of batteries and control and balance data, battery data is analyzed and processed in a centralized manner according to a total voltage of a battery pack, detected insulation and collected dataof each slave module and high voltage power, so as to determine a fault of a current battery and give out an early battery warning, battery SOC / SOH estimation is performed according to the data of the battery, remaining distance of an electric car is predicted and consistency of batteries and balance of control modules are determined. The system and method improve the reliability of the system and facilitate maintenance and replacement of the battery pack. Particularly, when a power battery pack is decommissioned, an intelligent battery module can be recombined to be directly used for batteryenergy storage, so that the battery pack reaches the full life cycle, and the use cost of the battery pack is lowered.

Description

technical field [0001] The invention relates to a modular distributed battery management system and method for full life cycle applications. Background technique [0002] Energy crisis and environmental pollution are two major problems facing the world today. Electric vehicles have become an inevitable trend of future automobile development due to energy saving and environmental protection. Different from traditional fuel vehicles, as the power source of electric vehicles, the power battery and its management system are crucial to the performance of the vehicle. At present, lithium-ion power batteries are considered to be one of the most attractive rechargeable batteries because of their high energy density, low self-discharge rate, no memory effect and high cell voltage. [0003] However, the abuse ability of lithium-ion batteries is poor, and the charge and discharge characteristics are greatly affected by environmental conditions. Therefore, for lithium-ion batteries, b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42B60L11/18
CPCY02E60/10Y02T10/70
Inventor 张承慧商云龙张奇崔纳新段彬
Owner 湖北德普电气股份有限公司
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