Battery management system and method

A battery management system and battery technology, applied to secondary batteries, battery circuit devices, secondary battery charging/discharging, etc., can solve problems such as undischarged, unbalanced, and not fully charged batteries, and achieve extended service life, The effect of solving the problem of battery voltage imbalance

Inactive Publication Date: 2016-12-07
广西小草信息产业有限责任公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] At present, batteries on the market are widely used. These batteries are usually battery packs, which are composed of multiple batteries connected in series or parallel. The voltages are different and unbalanced; in this way, during the charging process of multiple batteries connected in series, if one of the batteries is fully charged and reaches the set maximum voltage value, the charging will stop, and other batteries will not be fully charged, resulting in a decrease in battery capacity. ; On the contrary, during the discharge process of mul

Method used

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  • Battery management system and method

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Embodiment Construction

[0029] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples cited are only used to explain the present invention, and are not used to limit the scope of the present invention.

[0030] Such as figure 1 As shown, a battery management system includes a battery pack composed of multiple batteries in series, including an input module, an analysis module, a control module, and a repair module;

[0031] The input module is provided with multiple connection ports, each of the connection ports is connected to a battery, and the input module is used to collect multiple parameter values ​​of the battery;

[0032] The analysis module is used to compare the collected parameter values ​​with preset standard reference values ​​to obtain operating information of each battery;

[0033] The control module is used to control each battery to be turned on or off according to the operation information of each battery;

[0034]...

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Abstract

The invention provides a battery management system and method. The method comprises the steps of collecting a plurality of parameter values of batteries; correspondingly comparing the parameter values according to a plurality of preset standard reference values to obtain operation information of the batteries; controlling the batteries to be opened or closed according to the operation information of the batteries; and repairing the closed batteries. By the battery management system and method, working state information of battery packs can be timely obtained and working states are analyzed to obtain health information about the battery packs, so that the fault battery packs can be correspondingly repaired according to the health information of the battery packs; the problem of voltage imbalance of the batteries caused by self-consumption of the batteries can be effectively solved; and the service lifetime of the batteries is prolonged.

Description

Technical field [0001] The present invention mainly relates to the technical field of battery management, in particular to a battery management system and method. Background technique [0002] At present, batteries on the market are widely used. These batteries are usually battery packs composed of multiple batteries in series or parallel. However, because the battery itself has self-consumption (about 3% to 8%), each battery is The voltages are all different and unbalanced; in this way, during the charging process of multiple batteries connected in series, if one of the batteries is fully charged and reaches the set maximum voltage value, the charging will stop, and the other batteries will not be fully charged, resulting in a decrease in battery capacity ; On the contrary, during the discharging process of the multiple batteries connected in series, if one of the batteries is discharged and reaches the set minimum voltage value, the discharging will be stopped, and the other ba...

Claims

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Application Information

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IPC IPC(8): H02J7/00H01M10/44
CPCH01M10/441H01M10/443H02J7/0014Y02E60/10
Inventor 温九江袁松平
Owner 广西小草信息产业有限责任公司
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