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Multi-lithium-battery charging management method and apparatus

A charging management, lithium battery technology, applied in battery circuit devices, secondary battery charging/discharging, circuit devices, etc., can solve the problems of single charger function and poor versatility

Inactive Publication Date: 2018-03-06
SHENZHEN SIMSUKIAN ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a charging management method and device for a multi-section lithium battery, which solves the technical problem that the charger in the prior art has a single function, usually can only charge lithium batteries with specific parameters, and has low versatility

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  • Multi-lithium-battery charging management method and apparatus
  • Multi-lithium-battery charging management method and apparatus

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Embodiment Construction

[0018] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] The embodiment of the present invention provides a multi-cell lithium battery charging management method, such as figure 1 shown, including:

[0020] Step 101, controlling multiple charging modules through the CAN bus to perform pre-charging operations on multiple lithium batteries, so as to obtain charging parameters of each lithium battery within a preset time period;

[0021] Among them, the charging module corresponds to the lithium battery one by one.

[0022] When the lithium battery has a certain aging or the ambient temperature is too low, the internal resistance of the lithium battery will become very large. With the internal resistance of the lithium battery will become very large, the actual capacity of the term...

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Abstract

The invention relates to the technical field of battery charging management, and discloses a multi-lithium-battery charging management method and apparatus. The method includes: controlling a plurality of charging modules to perform pre-charging operation on multiple lithium batteries through a CAN bus to obtain charging parameters of the lithium batteries in a preset time period; sending the charging parameters to the plurality of charging modules through the CAN bus; and controlling the plurality of charging modules to charge the corresponding lithium batteries through the CAN bus. Accordingto the method and apparatus, automatic acquisition of the parameters of the lithium batteries is realized, intelligent matching of the charging parameters is realized, the universality is high, and security and reliability are achieved.

Description

technical field [0001] The invention relates to the technical field of battery charge management, in particular to a multi-node lithium battery charge management method and device. Background technique [0002] Lithium-ion battery cells have high voltage, large specific energy, long cycle life, safety and pollution-free, and become ideal power sources for various power equipment. When lithium batteries are used in power equipment, each monomer needs to be connected in series. The internal resistance and discharge rate are different, individual differences are large, and their charging and discharging characteristics are different. The capacity of the battery pack connected in series is determined by the minimum capacity of the single battery. At the same time, due to the single type of rechargeable battery, the charging in the prior art The function of the charger is relatively single, and usually only lithium batteries with specific parameters can be charged, and different ...

Claims

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Application Information

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IPC IPC(8): H02J7/00H01M10/42H01M10/44
CPCH01M10/4207H01M10/4257H01M10/441H01M2010/4271H01M2010/4278H02J7/0013H02J7/0021H02J7/0026H02J7/0077Y02E60/10
Inventor 朱锰炬
Owner SHENZHEN SIMSUKIAN ELECTRONICS TECH