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System capable of identifying charging capability of charger and charging method thereof

A technology of charging capacity and charging method, which is applied in the direction of current collectors, battery circuit devices, electric vehicles, etc., can solve the problems of reducing the service life of the battery, the battery is not fully charged, and the charger is burned out, so as to avoid the effect of burning out

Active Publication Date: 2011-11-02
盐城市恒纬物流有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The chargers of the prior art only allow users to insert chargers of different brands into a mobile phone structurally. However, the charging currents of different brands of chargers are different. Using different brands of chargers for charging will cause the battery to be fully charged. , reduce the service life of the battery, and even cause the charger to burn out

Method used

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  • System capable of identifying charging capability of charger and charging method thereof
  • System capable of identifying charging capability of charger and charging method thereof
  • System capable of identifying charging capability of charger and charging method thereof

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Embodiment Construction

[0019] see first figure 1 , figure 1 It is a circuit structure diagram of a preferred embodiment of the system for identifying the charging capacity of a charger disclosed in the present invention. Such as figure 1 As shown, the system 10 for identifying the charging capability of a charger disclosed in the present invention includes: an electrical device (not shown) and a charger 14 .

[0020] In this embodiment, the electrical equipment includes: a processing module 11 , a selective switch module 12 , a multiplexing interface 13 and a first resistor R1 . Wherein, the processing module 11 includes a first data terminal 111 , a second data terminal 112 and a detection terminal 113 . The selective switch module 12 includes a first selective switch 121 , a second selective switch 122 and a control terminal 123 . The multiplexing interface 13 includes a first pin VBUS, a second pin D+, a third pin D-, a fourth pin ID and a fifth pin GND. The multiplexing interface 13 can be u...

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Abstract

The invention discloses a charging method capable of identifying the charging capability of a charger. The charging method comprises the following steps of: when a universal serial bus (USB) / charging multiplexing interface of electrical equipment generates a plugging interrupt signal, judging whether the charger is plugged into the multiplexing interface or not; if a judgment result indicates that the charger is plugged into the multiplexing interface, acquiring the charging capability detection voltage of the charger; querying a preset charging capability detection voltage-charging current comparison table according to the charging capability detection voltage of the charger to determine the charging capability of the charger; and correspondingly setting the charging current of the electrical equipment according to the charging capability of the charger. In addition, the invention discloses a system capable of identifying the charging capability of the charger. By the system and the charging method capable of identifying the charging capability of the charger in such a way, the charging capability of the charger is identified, and the charging current of the charger is further set properly to fully charge a battery and avoid the charger being burnt out.

Description

technical field [0001] The invention relates to the technical field of mobile phones, in particular to a system capable of identifying the charging capacity of a charger and a charging method thereof. Background technique [0002] With the development of science and technology, mobile phones, as a hot-selling electronic product, have been popularized by all kinds of people. As an integral part of mobile phone accessories, the charger that matches the mobile phone is indispensable. [0003] There are many kinds of chargers on the market at present, and the electrical characteristics of the chargers are different, especially the power curves are different. The Ministry of Industry and Information Technology started to customize a unified USB / charging multiplexing interface standard to reduce the situation where users buy different mobile phones and the original charger cannot be used. The chargers of the prior art only allow users to insert different brands of chargers into ...

Claims

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Application Information

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IPC IPC(8): H02J7/00
Inventor 伍延椿
Owner 盐城市恒纬物流有限公司
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