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Charging control method and device

A charge control method and charge control technology, applied to circuit devices, battery circuit devices, secondary battery charging/discharging, etc., to achieve the effect of lowering temperature and reducing heat generation

Pending Publication Date: 2020-02-14
XIAN ZHONGXING NEW SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, mobile terminals with wireless charging have security problems of wireless charging and fast charging

Method used

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  • Charging control method and device
  • Charging control method and device
  • Charging control method and device

Examples

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Embodiment Construction

[0067] In order to better explain the present invention, the current charging technology is firstly introduced below.

[0068] Low-power wireless charging (receiving end power less than 5W) has gradually withdrawn from the market due to its slow charging rate and poor user experience. The latest standard of the wireless charging standard (QI) introduces medium-power wireless charging with the power of the receiving end greater than 5W and less than 15W, and this increase in power will be accompanied by serious heating problems in practical applications.

[0069] When researching 5 to 15W wireless charging products, it is found that because the wireless charging terminal only has a higher charging efficiency when it is at the center point of the wireless charging plate, the charging efficiency is about 70%, and the heat generation is relatively small. In order to ensure that the input power of the receiving end remains unchanged, the transmitting end often transmits at a higher...

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Abstract

The embodiment of the invention discloses a charging control method and device and a mobile terminal. The charging control method comprises the steps of detecting a charging mode; judging whether an application runs in the system or not when it is detected that the charging mode is wireless charging; determining a wireless charging current value according to the judgment result; and wirelessly charging a battery of the mobile terminal according to the determined wireless charging current value.

Description

technical field [0001] The invention relates to the field of terminal product charging, in particular to a charging control method and device. Background technique [0002] At present, all mobile terminals with wireless charging have safety problems of wireless charging and fast charging. Due to structural problems, the wireless charging coils are all located above the cell position on the back of the battery of the mobile terminal. During wireless charging, the wireless charging coil behind the battery is seriously heated, and the heat is conducted to the battery. Due to the limited space, the heat cannot be dissipated for a long time, causing the battery to bulge and open the front panel. Therefore, the heating problem of wireless charging has become a major obstacle restricting the development of wireless charging, and how to solve the safety problem caused by wireless charging heating is an urgent problem to be solved. Contents of the invention [0003] In order to s...

Claims

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Application Information

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IPC IPC(8): H02J50/10H02J7/00H01M10/44
CPCH02J50/10H02J7/0036H02J7/007
Inventor 程翠香
Owner XIAN ZHONGXING NEW SOFTWARE
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