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Charging control method and device based on temperature feedback

A charging control method and temperature feedback technology, applied in the direction of circuit devices, battery circuit devices, secondary battery charging/discharging, etc., can solve the problems of affecting the continuous availability of equipment and wasting available electric energy, so as to improve stability and usability, Avoid frequent in and out effects

Inactive Publication Date: 2020-08-21
BEIJING EPSOLAR TECH +1
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Problems solved by technology

[0005] In view of this, the embodiment of the present application provides a charging control method and device based on temperature feedback, to solve the above-mentioned problems that the continuous availability of the equipment is affected or the available electric energy is wasted after the battery is overheated during the charging process

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  • Charging control method and device based on temperature feedback
  • Charging control method and device based on temperature feedback
  • Charging control method and device based on temperature feedback

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Embodiment Construction

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without...

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Abstract

The invention provides a charging control method and device based on temperature feedback, and the method comprises the steps that a charging controller obtains a real-time temperature value of a storage battery and a real-time current value in a charging process; the charging controller calculates a target charging current value according to a temperature difference value between the real-time temperature value and a target temperature value; and the charging controller calculates a current difference value between the real-time current value and the target charging current value, and adjuststhe charging current of the storage battery according to the current difference value. According to the embodiment of the invention, based on the real-time monitoring of the temperature of the storage battery and the changes of the temperature and current of the storage battery, the problem that the continuous availability of equipment is affected or available electric energy is wasted after thestorage battery is overheated in the charging process is solved.

Description

technical field [0001] The present application relates to the technical field of charging control, in particular, to a charging control method and device based on temperature feedback. Background technique [0002] During the charging process of the battery, excessive charging current or aging of the battery will cause the temperature rise of the battery to be too high. If it is not controlled, the battery will be damaged due to thermal runaway. [0003] At present, the main way to prevent thermal runaway of the battery is to use over-temperature protection, that is, when the battery temperature exceeds the set protection value, charging will be stopped, and when the battery temperature is lower than the set recovery value, work will be restarted. [0004] Although this switching protection method can prevent the battery from being damaged due to thermal runaway to a certain extent, it also has the following two defects: 1. If the temperature protection value is set too low,...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/44
CPCH01M10/443H02J7/007192Y02E60/10
Inventor 刘建芳孙本新
Owner BEIJING EPSOLAR TECH
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