Control system for lithium battery power management

By designing a lithium battery power management control system, including voltage input module, battery power supply module, overvoltage leakage module, overdischarge disconnect module, feedback module, delay module and charging fault detection module, the abnormal handling of lithium battery charging circuit is solved solve the problem, achieve the stability and effectiveness of battery charging, and avoid users from misjudging battery failure.

CN114726061AActive Publication Date: 2022-07-08SHENZHEN FENIKI TECH CO LTD
17 Cites 6 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN FENIKI TECH CO LTD
Filing Date
2022-06-01
Publication Date
2022-07-08

AI Technical Summary

Technical Problem

The lithium battery charge and discharge control system on the market lacks a battery charging circuit abnormality processing circuit. As a result, the battery cannot be fully charged when the charging circuit fails, and users may easily mistakenly believe that the battery is faulty.

Method used

A lithium battery power management control system is designed, including a voltage input module, a battery power supply module, an overvoltage release module, an overdischarge disconnect module, a feedback module, a delay module and a charging fault detection module. Through the combination of these modules, Real-time monitoring and adjustment of battery voltage is achieved, and the charging mode is adjusted when abnormal battery voltage is detected to ensure the stability of battery charging.

Benefits of technology

The output voltage of the battery power supply module is adjusted through the feedback module to achieve fast charging, and battery charging abnormalities are detected through the delay module and charging fault detection module, and adjusted to constant voltage charging to ensure the effectiveness and stability of battery charging and avoid misjudgment by users. Battery failure.

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Abstract

The invention discloses a control system for lithium battery power management, and relates to the field of lithium battery control, and the system comprises a voltage input module which is used for externally connecting voltage and supplying power to a battery power supply module and a time delay module; the battery power supply module is used for charging the battery; receiving the battery voltage information, and adjusting the voltage output to the battery according to the battery voltage; the battery module is used for a battery to store electric energy; compared with the prior art, the system has the beneficial effects that the output voltage of the battery power supply module is adjusted through the feedback module, the output voltage of the battery power supply module is relatively large at the beginning, and the charging voltage is reduced along with the increase of the battery voltage, so that a quick charging effect is constructed; whether battery charging is abnormal or not is detected through the time delay module and the charging fault detection module, the battery power supply module is adjusted to perform constant-voltage charging when charging is abnormal, and the battery charging effect is guaranteed.
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Citation Information

Patent Citations

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    CN101599651A

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    CN102306943A

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