Power source adaptor for charging directly
First Claim
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1. A power source adaptor for directly charging a battery in a mobile terminal, the power source adaptor comprising:
- a charging interface configured to externally connect with a mobile terminal, and comprising a power source pin and a ground pin;
an AC to DC converter configured to convert an AC input power source into a charging voltage required by the mobile terminal, and output the charging voltage to the mobile terminal via the charging interface;
a wireless communication module configured to wirelessly connect with the mobile terminal to transmit and receive one or more wireless signals; and
a controlling unit connected with the wireless communication module, the controlling unit configured to start the wireless communication module and wait for it to be connected wirelessly with the mobile terminal after the AC to DC converting unit receives the AC input power source or the charging interface is connected with the mobile terminal, and after the wireless communication module and the mobile terminal are connected, exchange data with the mobile terminal through the wireless communication module, and adjust the charging voltage output by the AC to DC converter unit according to a current voltage of a battery in the mobile terminal.
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Abstract
The application discloses a power source adaptor for charging directly, where the power source adaptor for charging directly is timed to communicate wirelessly with a mobile terminal which is a charging object, to obtain a change in voltage of a battery in the mobile terminal, adjusts dynamically a volt value of charging voltage output by the power source adaptor for charging directly according to the varying voltage of the battery, and charges directly the battery in the mobile terminal using the charging voltage.
24 Citations
14 Claims
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1. A power source adaptor for directly charging a battery in a mobile terminal, the power source adaptor comprising:
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a charging interface configured to externally connect with a mobile terminal, and comprising a power source pin and a ground pin; an AC to DC converter configured to convert an AC input power source into a charging voltage required by the mobile terminal, and output the charging voltage to the mobile terminal via the charging interface; a wireless communication module configured to wirelessly connect with the mobile terminal to transmit and receive one or more wireless signals; and a controlling unit connected with the wireless communication module, the controlling unit configured to start the wireless communication module and wait for it to be connected wirelessly with the mobile terminal after the AC to DC converting unit receives the AC input power source or the charging interface is connected with the mobile terminal, and after the wireless communication module and the mobile terminal are connected, exchange data with the mobile terminal through the wireless communication module, and adjust the charging voltage output by the AC to DC converter unit according to a current voltage of a battery in the mobile terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A mobile terminal, comprising:
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a battery configured to store electrical energy; a USB interface configured to engage an external device; a wireless communication module configured to transmit and receive a wireless signal; a microprocessor configured to start the wireless communication module to search for devices which can communicate wirelessly therewith upon detecting the external device is inserted into the USB interface, if the devices comprise the external device connected with the USB interface, determine that the external device is a power source adaptor for charging directly, and connected wirelessly with the power source adaptor, if the power source adaptor and the microprocessor are connected, exchange data with the power source adaptor through the wireless communication module, detect a voltage of the battery, if the voltage of the battery lies in a range delimited by preset direct charging thresholds, control a charging voltage output by the power source adaptor to charge the battery and determine from the current voltage of the battery the value of the charging voltage output by the power source adaptor, and output a switch control signal; and a direct charging switch configured to control the mobile terminal to be switched between a charging mode in which the battery is charged through a power source managing chip, and a charging mode in which the battery is charged through the direct charging switch, in response to the switch control signal output by the microprocessor.
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Specification