Method for charging between mobile apparatuses, and mobile apparatus realizing external power supply

A mobile device and charging method technology, applied in the field of communication, can solve problems such as inconvenient use, inconvenience, and inability to use mobile devices, and achieve the effects of ensuring use requirements, improving performance, and improving user experience

Active Publication Date: 2014-01-15
宋易霄
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that it is very inconvenient to use. Often because you forget to carry the battery or charger, or you can’t find a place to charge it, the mobile device cannot be used, which delays the user’s work and information communication, which is very inconvenient.

Method used

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  • Method for charging between mobile apparatuses, and mobile apparatus realizing external power supply
  • Method for charging between mobile apparatuses, and mobile apparatus realizing external power supply
  • Method for charging between mobile apparatuses, and mobile apparatus realizing external power supply

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0053] In a preferred embodiment, the boost module includes a DC-DC boost circuit.

[0054] An electronic switch, connected to the boost module, is used to start the boost module when the mobile device to be charged is connected to the power supply mobile device through a USB cable, so as to enable the external power supply function of the external power supply mobile device, And close the internal charging circuit;

[0055] Under preferred implementation conditions, the electronic switch includes a MOS transistor.

[0056] The power-on of the booster module in the power supply mobile device and the power-on of the internal power supply module of the external power supply are mutually exclusive conditions, that is, only one of the two modules can work at the same time.

[0057] Under specific implementation conditions, such as Figure 4 As shown, an interlock is added to the two modules that power the mobile device to charge externally and the external power supply to charge i...

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PUM

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Abstract

The invention discloses a method for charging between mobile apparatuses, and a mobile apparatus realizing external power supply, and belongs to the communication field. The power-supply mobile apparatus comprises a pair of external power supply circuits, and each of the external power supply circuits comprises a boosting module used for boosting a battery of the power-supply mobile apparatus to make the battery of the power-supply mobile apparatus to reach an available supply voltage, an electronic switch connected with the boosting module and used for starting the boosting module and closing an internal charging circuit when a mobile apparatus for charging is connected with the power-supply mobile apparatus through a USB line, and a charging switch connected with the battery of the power-supply mobile apparatus and used for starting the external power supply of the battery of the power-supply mobile apparatus in order to charge the mobile apparatus for charging. In the invention, the battery circuits of the mobile apparatus are improved, and the electric energy transfer between two mobile apparatus is carried out through utilizing the USB line, so the mobile apparatus can be changed without a standby battery or charger, and the performance and the user's use experience are improved.

Description

technical field [0001] The invention relates to the communication field, in particular to a wireless charging method between mobile devices and a mobile device capable of external power supply. Background technique [0002] The power state of the battery of the mobile device is an important factor restricting its performance. If the power of the mobile device is insufficient, it cannot work. Especially for terminal equipment such as mobile phones, with the continuous development of smart phones and the continuous improvement of mobile phone functions, the more functions users use, the power consumption of mobile phones will inevitably increase. Low battery problem. [0003] However, the traditional technology for charging mobile devices is to rely on cables and connectors to connect to a 220V power supply or connect to a computer to charge the battery, and there are no universal chargers for different devices. In this way, the user needs to carry a plurality of batteries w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/44H02J7/00
CPCH01M10/44H02J2207/20Y02E60/10
Inventor 姚松
Owner 宋易霄
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