Intelligent charging method and apparatus

An intelligent charging method and charger technology, applied to circuit devices, battery circuit devices, transportation and packaging, etc., can solve problems such as charging failure, user loss, and charger burnout, so as to reduce the probability of occurrence, improve compatibility, Reduce the effect of security incidents

Inactive Publication Date: 2009-01-07
ZTE CORP
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  • Claims
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Problems solved by technology

However, due to the difference in power consumption between handheld devices, each device may use a different capacity battery, and it is more likely to set a different charging current
The standard stipulates that the rated current of the charger is between 300mA and 1800mA. Different chargers will have different rated curr

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  • Intelligent charging method and apparatus

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[0029] The implementation of the technical solution will be described in further detail below in conjunction with the accompanying drawings.

[0030] The present invention provides an intelligent charging method and device. Firstly, the maximum output current of the charger is identified, and then the terminal (such as a handheld device) sets the charging current according to the maximum output current, sets the charging current for charging, and the charging current does not exceed the charging current. The maximum output current of the charger, thereby protecting the charger.

[0031] One charging method is to initially use an initial charging current to charge the terminal. When the voltage of the charger is normal, increase the charging current and recheck whether the voltage of the charger is normal. When the charging current increases to the charger When the voltage is abnormal, start to reduce the charging current until the charger voltage is normal, and the charging curren...

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Abstract

The invention discloses an intelligent charging method and device; the method comprises the following steps: the maximum output current of a charger is detected: while charging up a terminal, the voltage at two ends of the charger is detected, the maximum charging current which is obtained by detection and causes the voltage of the charger to be normal is taken as the maximum output current of the charger; and the charging current which is not more than the maximum output current is used for charging up the terminal; the device comprises a maximum output current detection module which is used for detecting the maximum output current of the charger and detecting the voltage of the charger while the charger charges up the terminal; and the maximum charging current which is obtained by detection and causes the voltage of the charger to be normal is taken as the maximum output current of the charger. The method and device of the invention cause the terminal to be capable of intelligently recognizing the maximum output currents of different chargers and control the charging current within the safety range, improve the compatible capacity of the terminal to various chargers, protect the charger and reduce the probability of the safety accident.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to an intelligent charging method and device. Background technique [0002] With the development of mobile communication technology, there are more and more applications, and the types of handheld devices are also increasing, and there are many types of supporting chargers, and they are not compatible with each other. As a result, a huge waste of resources has been brought, and it has also brought adverse effects on the environment. Under this premise, the Ministry of Information Industry of China issued the industry standard "YD / T1591-2006 Mobile Communication Handset Charger and Interface Technical Requirements and Test Methods", which stipulates that the use of USB (Universal Serial Bus) interface as a unified charging The charger interface enables different types of handheld terminals to use the same charger, which not only reduces the waste of resources, but also facilitate...

Claims

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Application Information

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IPC IPC(8): H01M10/44H02J7/00
CPCY02E60/10
Inventor 王俊鹏
Owner ZTE CORP
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