Charging method and device

A charging method and charging current technology, applied in circuit devices, battery circuit devices, transportation and packaging, etc., can solve problems such as damage to charging adapters, repeated charging, and repeated restarts of mobile terminals and intelligent mobile terminals.

Active Publication Date: 2018-02-16
DATANG TERMINAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a charging method and device to solve the problems existing in the existing charging scheme that the mobile terminal cannot adapt to the output current value of the charging adapter duri

Method used

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Examples

Experimental program
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Embodiment 1

[0026] refer to figure 1 , showing a flow chart of steps of a charging method according to the first embodiment of the present invention.

[0027] The charging method of the embodiment of the present invention includes the following steps:

[0028] Step S101 : when the mobile terminal is charged by the charging adapter, determine the charging voltage currently output by the charging adapter.

[0029] The mobile terminal is provided with a charging voltage detection module, a sampling resistor and a charging processing module. The charging voltage module is directly connected in parallel to the charging path between the charging adapter and the charging processing module. The charging voltage detection module can read and calculate through the internal ADC module. output voltage of the charging adapter.

[0030] Step S102 : determine whether the charging voltage is within the first preset range; if yes, execute step S103 , if not, execute the setting operation.

[0031] The ...

Embodiment 2

[0040] refer to figure 2 , showing a flow chart of steps of a charging method according to the second embodiment of the present invention.

[0041] The charging method of the embodiment of the present invention includes the following steps:

[0042] Step S201 : when the mobile terminal is charged by the charging adapter, determine the charging voltage currently output by the charging adapter.

[0043] During charging, one end of the charging adapter is connected to the charging interface of the mobile terminal, and the other end is connected to the charging power source. When the mobile terminal detects that a charging adapter is connected, the charging process starts.

[0044] The mobile terminal is provided with a charging voltage detection module, a sampling resistor and a charging processing module. The charging voltage module is directly connected in parallel to the charging path between the charging adapter and the charging processing module. The charging voltage dete...

Embodiment 3

[0073] refer to image 3 , showing a structural block diagram of a charging device according to Embodiment 3 of the present invention.

[0074] The charging device according to the embodiment of the present invention includes: a voltage determination module 301, configured to determine the charging voltage currently output by the charging adapter when the mobile terminal is charged by the charging adapter; and a determination module 302, configured to determine whether the charging voltage is in the first within a preset range; the first charging module 303 is configured to use the first preset current value as an incremental step if the judgment result of the judgment module is that the charging voltage is within the first preset range and the charging adapter is a standard charging adapter value, the output charging current of the charging adapter is gradually increased; the detection module 304 is used to monitor the output voltage of the charging adapter in real time; the ...

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Abstract

The invention provides a charging method. The charging method comprises the steps of determining a currently-output charging voltage of a charging adaptor when the charging adaptor is used for charging a mobile terminal; judging whether the charging voltage is within a first preset range or not; gradually increasing an output charging current of the charging adaptor by taking a first preset current value as an incremental step value if the charging voltage is within the first preset range and when the charging adaptor is a standard charging adaptor; and monitoring an output voltage of the charging adaptor in real time, determining a rule according to the output voltage and a preset current, determining an upper limit value of the charging current, and charging the mobile terminal. The mobile terminal can be used for determining the upper limit value of the charging current with regard to the charging adaptor, and the charging current output from the charging adaptor is self-adapted; and since the charging current output from the charging adaptor can be self-adapted, the problem that the mobile terminal is repeatedly started all the way or charging is stopped when charging is not completed can be prevented.

Description

technical field [0001] The present invention relates to the technical field of electronic products, in particular to a charging method and device. Background technique [0002] At present, with the development of science and technology in recent years, under the rapid development of mobile terminals, more and more people can use intelligent mobile terminals, and the popularization of mobile terminals will become a development trend. [0003] At present, the charging interface of the mobile terminal has good compatibility and can be compatible with different types of charging adapters. The power, rated voltage, and rated current of various types of charging adapters are quite different. For convenience, users bring their own charging adapters in the mobile terminal. When lost or forgotten to carry, use a non-standard charging adapter to charge the mobile terminal. [0004] Especially recently, various fast charging adapters have appeared, making the market of charging adapte...

Claims

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Application Information

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IPC IPC(8): H02J7/00
CPCH02J7/0077
Inventor 韩秉权罗伟
Owner DATANG TERMINAL TECH
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