MOBILE TERMINAL AND RAPID CHARGING METHOD
First Claim
Patent Images
1. A mobile terminal, comprising:
- a battery configured to store electric energy;
a USB interface configured to be connected with a DC-charging power source adaptor; and
a microprocessor configured to detect voltage of the battery upon detecting that the USB interface is connected with the DC-charging power source adaptor, and if the voltage of the battery lies in a range [S1, S2] delimited by preset DC-charging thresholds, to search, using an interval in which the voltage of the battery lies, a preset reference table for a target charging voltage value Vout corresponding to the interval, to send the target charging voltage value Vout to the DC-charging power source adaptor, and to control the charging voltage output by the DC-charging power source adaptor to DC-charge the battery, wherein the charging voltage is target charging voltage adjusted and output by the DC-charging power source adaptor according to the received target charging voltage value Vout.
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Abstract
The application discloses a rapid charging method and a mobile terminal, which are proposed for a power source adaptor outputting dynamically adjustable voltage, where voltage of a battery core is divided into several intervals, and further in a segmented constant-current-like charging mode, a volt value of charging voltage output by the power source adaptor is adjusted dynamically according to an interval in which the core voltage of the battery in the mobile terminal while the battery is being charged lies, and the battery is DC-charged directly using the charging voltage output by the power source adaptor.
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Citations
13 Claims
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1. A mobile terminal, comprising:
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a battery configured to store electric energy; a USB interface configured to be connected with a DC-charging power source adaptor; and a microprocessor configured to detect voltage of the battery upon detecting that the USB interface is connected with the DC-charging power source adaptor, and if the voltage of the battery lies in a range [S1, S2] delimited by preset DC-charging thresholds, to search, using an interval in which the voltage of the battery lies, a preset reference table for a target charging voltage value Vout corresponding to the interval, to send the target charging voltage value Vout to the DC-charging power source adaptor, and to control the charging voltage output by the DC-charging power source adaptor to DC-charge the battery, wherein the charging voltage is target charging voltage adjusted and output by the DC-charging power source adaptor according to the received target charging voltage value Vout. - View Dependent Claims (2, 3)
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4. A rapid charging method, the method comprising:
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detecting, by a mobile terminal, voltage of a battery thereof; if the voltage of the battery lies in a range [S1, S2] delimited by preset DC-charging thresholds, then searching, using an interval in which the voltage of the battery lies, a preset reference table for a target charging voltage value Vout corresponding to the interval, and sending the target charging voltage value Vout to a DC-charging power source adaptor; and transferring, by the mobile terminal, received charging voltage output by the DC-charging power source adaptor to the battery to DC-charge the battery, wherein the charging voltage is target charging voltage adjusted and output by the DC-charging power source adaptor according to the received target charging voltage value Vout. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification