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Intelligent fast charging system and method thereof

A fast charging and intelligent technology, applied in the direction of secondary battery charging/discharging, circuits, current collectors, etc., can solve the problems of lack of efficiency, shortened battery life, aging, etc.

Pending Publication Date: 2021-05-25
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most battery charging systems do not have a battery management system inside, so they cannot effectively detect the battery status
[0003] However, if the battery charging system charges the battery with a large current, although it can achieve a faster charging speed, the temperature of the battery will also rise rapidly at the same time, resulting in damage to the battery and accelerated aging, shortening the service life of the battery
[0004] On the contrary, if the battery charging system charges the battery with a low current, it will take more time to fully charge the battery, which is extremely inefficient
[0005] In addition, because the battery charging system does not provide a complete battery protection mechanism, when the battery is fully charged, the charging device may continue to charge, which may cause the battery to be damaged due to overcharging

Method used

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  • Intelligent fast charging system and method thereof
  • Intelligent fast charging system and method thereof
  • Intelligent fast charging system and method thereof

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Embodiment Construction

[0036] Embodiments of the smart fast charging system and its method according to the present disclosure will be described below with reference to the accompanying drawings. For the sake of clarity and convenience in the description of the drawings, the sizes and proportions of the components in the drawings may be exaggerated or reduced. presented. In the following description and / or claims, when an element is referred to as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element or there may be intervening elements; and when an element is referred to as " When "directly connected" or "directly coupled" to another element, there are no intervening elements, and other words used to describe the relationship between elements or layers should be interpreted in the same way. To facilitate understanding, the same elements in the following embodiments are described with the same symbols.

[0037] see figure 1 , Figure 2A an...

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Abstract

An intelligent fast charging system may include a DC charging device and a battery pack. The battery pack may include a battery controller and a battery. The battery controller can divide the temperature range from the initial temperature of the storage battery to the charging temperature upper limit of the storage battery into a plurality of charging temperature intervals. And the optimal charging current of each charging temperature interval can be obtained according to the battery characteristic parameters of the storage battery in each charging temperature interval, the charging capability of the direct current charging device and the charging stopping condition. The direct current charging device can charge the storage battery in the charging temperature intervals according to the optimal charging current in the charging temperature intervals.

Description

technical field [0001] The present disclosure relates to a charging system, in particular to an intelligent fast charging system. The present disclosure also relates to the intelligent fast charging method of the intelligent fast charging system. Background technique [0002] Most of the existing battery charging systems determine the charging mode by judging the battery voltage by the DC charging device, such as trickle current mode, constant current mode (CC) and constant voltage mode (CV). However, most battery charging systems do not have a battery management system inside, so they cannot effectively detect the battery status. [0003] However, if the battery charging system charges the battery with a large current, although it can achieve a faster charging speed, the temperature of the battery will also rise rapidly at the same time, resulting in damage to the battery and accelerated aging, shortening the service life of the battery. [0004] On the contrary, if the b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/44
CPCH01M10/441H01M10/446Y02E60/10
Inventor 许嘉宏游爵豪陈俊仁
Owner IND TECH RES INST