-(2)Management Measures for Charging and Discharging of Single Lithium Batteries, and the Purpose of Precharging Lithium Batteries

(2)Management Measures for Charging and Discharging of Single Lithium Batteries, and the Purpose of Precharging Lithium Batteries
author:enerbyte source:本站 click223 Release date: 2023-08-08 10:06:12
abstract:
① When the external charging power supply is normal and the lithium-ion battery is not overflowing, the lithium-ion battery charging and discharging management module monitors the voltage of the lithium-ion battery and the voltage of the external charging power supply. When the monitoring sho...

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① When the external charging power supply is normal and the lithium-ion battery is not overflowing, the lithium-ion battery charging and discharging management module monitors the voltage of the lithium-ion battery and the voltage of the external charging power supply. When the monitoring shows that the voltage of the lithium-ion battery is lower than the charging voltage threshold of the lithium-ion battery, the lithium-ion battery charging process is initiated. When the monitoring shows that the voltage of the lithium-ion battery is equal to the highest voltage of the lithium-ion battery, If the charging current is low, stop the charging process of the lithium-ion battery and guard against floating charging;

② When the external charging power supply is normal and the lithium-ion battery is already overflowing, the lithium-ion battery charging and discharging management system continuously monitors the voltage of the lithium-ion battery and the voltage of the external charging power supply. If the voltage of the lithium-ion battery is detected to be lower than the lithium-ion battery charging voltage threshold, restart the lithium-ion battery charging process;

③ In case of abnormal power supply from external charging power supply, the lithium-ion battery charging and discharging management system monitors the voltage of the lithium-ion battery and the voltage of the external charging power supply. At this time, if the voltage of the external charging power supply module is detected to be abnormal, the lithium-ion battery discharging process will be initiated;

④ The lithium-ion battery discharge overcurrent protection module constantly monitors the working current in the lithium-ion battery discharge circuit. When it is detected that the discharge current of the lithium-ion battery in the discharge circuit is greater than the maximum discharge current threshold of the lithium-ion battery, the lithium-ion battery discharge circuit is disconnected; When it is detected that the discharge current of the lithium-ion battery in the discharge circuit is lower than the maximum discharge current threshold of the lithium-ion battery, reopen the lithium-ion battery discharge circuit; So repeated.

⑤ The lithium-ion battery voltage over discharge protection module constantly monitors the current voltage of the lithium-ion battery. When the voltage of the lithium-ion battery is detected to be lower than the minimum discharge voltage threshold, the lithium-ion battery discharge circuit is disconnected and the lithium-ion battery power supply is stopped; When the voltage of the lithium-ion battery is detected to be higher than the minimum voltage threshold, reopen the lithium-ion battery discharge circuit; So repeated.

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