Charging method, mobile terminal and charger

The technology of a mobile terminal and a charging method, which is applied in the field of communication, can solve problems such as battery damage of a mobile terminal

Active Publication Date: 2018-08-24
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide a charging method, a mobile terminal and a charger to solve the problem in the prior ar

Method used

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  • Charging method, mobile terminal and charger
  • Charging method, mobile terminal and charger
  • Charging method, mobile terminal and charger

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0041] see figure 1 , figure 1 It is a flowchart of a charging method provided by an embodiment of the present invention, which is applied to a mobile terminal. Such as figure 1 shown, including the following steps:

[0042] Step 101: Perform constant current charging on a battery of the mobile terminal according to a charging current output by a charger with a current value of a first current value.

[0043] In step 101, if figure 2 Shown is a s...

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Abstract

The invention provides a charging method, a mobile terminal and a charger. The charging method comprises the steps of performing constant current charging on a battery of the mobile terminal; when thevoltage value of the battery of the mobile terminal reaches a preset voltage threshold value, and when it is detected that the current value of a charging current output by the charger is not loweredfrom a first current value to a second current value, controlling a communication signal transmitted between the mobile terminal and the charger to be in a low-level state; and after the first presettime frame, controlling the communication signal transmitted between the mobile terminal and the charger to be in a high-level state, and transmitting a first current lowering instruction to the charger. Therefore, by controlling the communication signal transmitted between the mobile terminal and the charger to be in the low-level state for a certain while, the charger can perform a reset communication access operation to further respond the first current lowering instruction transmitted by the mobile terminal, thereby lowering the current value of the charging current output by the charger,and lowering risk of battery damage of the mobile terminal.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a charging method, a mobile terminal and a charger. Background technique [0002] Currently, when charging the battery of a mobile terminal, fast charging technology can be used. The control mode of the fast charging technology can be a voltage loop control mode and a current loop control mode. For the current loop control method, the charger can always output a fixed current, which is not affected by the output voltage of the charger. There are certain security risks in the current loop control mode. During the charging process, when the voltage of the battery of the mobile terminal reaches a certain value, the output current of the charger cannot be too large. If the charger breaks down at this time, the charger may still charge the battery of the mobile terminal with a large current, which will increase the temperature of the battery of the mobile terminal, and the ba...

Claims

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Application Information

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IPC IPC(8): H02J7/00
CPCH02J7/0077
Inventor 郭朋飞
Owner VIVO MOBILE COMM CO LTD
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