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Battery pack management system and method for balancing battery modules in battery pack

A battery pack management and battery module technology, applied to battery circuit devices, current collectors, electric vehicles, etc., can solve problems such as imbalance, damage to the lead-acid battery pack 100, shorten the life of the lead-acid battery pack 100, etc., and achieve high efficiency Effect

Active Publication Date: 2015-03-11
AOTU ELECTRONICS WUHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once any battery in the batteries 111-116 is damaged, the entire lead-acid battery pack 100 will be damaged; an imbalance between any two batteries in the batteries 111-116 will shorten the life-span of the lead-acid battery pack 100

Method used

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  • Battery pack management system and method for balancing battery modules in battery pack
  • Battery pack management system and method for balancing battery modules in battery pack
  • Battery pack management system and method for balancing battery modules in battery pack

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Embodiment Construction

[0043] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, so as to make the characteristics and advantages of the present invention more obvious.

[0044] Hereinafter, a detailed description will be given of embodiments of the present invention and accompanying drawings. While the invention will be described in conjunction with examples, it will be understood that it is not intended to limit the invention to these examples. On the contrary, the invention is intended to cover various alternatives, modifications and equivalents as defined within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the invention, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be understood by those skilled in the art that the present invention may be...

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Abstract

The invention discloses a battery pack management system and a method for balancing battery modules in a battery pack. The battery pack management system comprises a comparison device and an adjusting device, wherein the comparison device is used for comparing the output voltage of the first battery module with the output voltage of the first battery module and the second battery module; the adjusting device is used for adjusting the output voltage of the first battery module when the output voltage of the first battery module is greater than the sum of the output voltage of the first battery module and the second battery module, and adjusting the sum of the output voltage of the first battery module and the second battery module device when the sum of the output voltage of the first battery module and the second battery module device is greater than the output voltage of the first battery module. According to the battery pack management system and the method for balancing the battery modules in the battery pack, the efficiency of the battery pack can be improved, and the service life of batteries can be prolonged.

Description

technical field [0001] The invention relates to a battery group management system and a method for balancing battery modules, in particular to a battery group management system applied to a battery group and a method for balancing battery modules in the battery group. Background technique [0002] Over the past few decades, there has been an increasing demand for various applications of electronic devices (eg, power supplies). Due to the increasing demand for power sources, battery packs (eg, rechargeable battery packs) have grown significantly. [0003] A battery pack includes a plurality of batteries connected in series. When one cell fails, the life of the battery pack is shortened. An imbalance between any two cells can shorten the life of the cells. figure 1 Shown is a block diagram of a conventional lead-acid battery pack 100 . Due to its simple structure, lead-acid battery pack 100 is often used in low-cost applications. [0004] The lead-acid battery pack 100 in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
Inventor 张卫
Owner AOTU ELECTRONICS WUHAN
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