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US 9,755,440 B2Granted
Charging control device and charging control method
AssigneeSony Corporation
InventorYoshihito Ishibashi
Life of this patent
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Abstract
A charging control device includes a plurality of battery packs including a secondary battery therein, one or two or more power input units configured to input power, a power integration unit configured to integrate the power input by the one or two or more power input units to one power, and a main control unit configured to measure the quantity of power input to the power integration unit and determine the quantity of power supplied from the power integration unit to the battery packs based on the measured quantity of power so as to control simultaneous charging of the plurality of battery packs.
Claims16
A charging control device comprising:
- a plurality of battery packs including a first battery pack including a first charging control unit configured based on battery characteristics of the first battery pack and a second battery pack including a second charging control unit configured based on battery characteristics of the second battery pack which is different than the battery characteristics of the first battery pack;
- a plurality of power input units each configured to input power;
- a power integration unit configured to integrate the plurality of power inputs by the plurality of power input units into an integrated power output;
- and
- a main control unit configured to measure power of each of the power inputs into the power integration unit and determine a power supply ratio allocating a relative percentage of the power supplied from the power integration unit to each of the plurality of battery packs based on the measured power to control simultaneous charging of the plurality of battery packs, wherein the first battery pack and the second battery receive different levels of power input according to the power supply ratio when being simultaneously charged from the integrated power output,
- wherein the first battery pack includes a first battery pack control unit configured to perform communication with the main control unit and the second battery pack includes a second battery pack control unit configured to perform communication with the main control unit, wherein the power supply ratio indicates a fraction of allocation of the supplied power,
- wherein the first charging control unit, the second charging control unit, the plurality of power input units, the power integration unit and the main control unit are each implemented via at least one processor, and
- wherein each of the plurality of battery packs is further configured to autonomously decrease the power supplied from the power integration unit to a respective one of the plurality of battery packs in accordance with the power supply ratio and the integrated power output.
5 more elements
A charging control method comprising:
- inputting a plurality of power sources;
- integrating the plurality of power sources to output an integrated power output;
- measuring power of the plurality of power sources before integrating the plurality of power sources;
- determining a power supply ratio allocating a relative percentage of the power supplied to respectively each of a first battery pack and a second battery pack based on the measured power;
- and
- controlling simultaneous charging of the first battery pack and the second battery pack, wherein the first battery pack and the second battery receive different levels of power input according to the power supply ratio when being simultaneously charged from the integrated power output,
- wherein the first battery pack includes a first battery pack control unit configured to perform communication with a main control unit and the second battery pack includes a second battery pack control unit configured to perform communication with the main control unit,
- wherein the first battery pack control unit includes a first charging control unit configured based on battery characteristics of the first battery pack,
- wherein the second battery pack control unit includes a second charging control unit configured based on battery characteristics of the second battery pack which is different than the battery characteristics of the first battery pack,
- wherein the power supply ratio indicates a fraction of allocation of the supplied power, and
- wherein each of the plurality of battery packs is further configured to autonomously decrease the power supplied from the power integration unit to a respective one of the plurality of battery packs in accordance with the power supply ratio and the integrated power output.
8 more elements
A charging control device comprising:
- a plurality of battery packs including a first battery pack including a first charging control unit configured based on battery characteristics of the first battery pack and a second battery pack including a second charging control unit configured based on battery characteristics of the second battery pack which is different than the battery characteristics of the first battery pack;
- a plurality of power input units configured to input power;
- a power integration unit configured to integrate the plurality of power inputs by the plurality of power input units into an integrated power output;
- and
- a main control unit configured to instruct a power supply ratio allocating a relative percentage of the power supplied from the power integration unit to each of the plurality of battery packs and a power increase or decrease quantity of the first battery pack and the second battery pack and control simultaneous charging of the plurality of battery packs, wherein the first battery pack and the second battery receive different levels of power input according to the power supply ratio when being simultaneously charged from the integrated power output,
- wherein the first battery pack includes a first battery pack control unit configured to perform communication with the main control unit and the second battery pack includes a second battery pack control unit configured to perform communication with the main control unit,
- wherein the power supply ratio indicates a fraction of allocation of the supplied power,
- wherein the first charging control unit, the second charging control unit, the plurality of power input units, the power integration unit and the main control unit are each implemented via at least one processor, and
- wherein each of the plurality of battery packs is further configured to autonomously decrease the power supplied from the power integration unit to a respective one of the plurality of battery packs in accordance with the power supply ratio and the integrated power output.
6 more elements
A charging control device comprising:
- a plurality of battery packs including a first battery pack including a first charging control unit configured based on battery characteristics of the first battery pack and a second battery pack including a second charging control unit configured based on battery characteristics of the second battery pack which is different than the battery characteristics of the first battery pack;
- a plurality of power input units configured to input power;
- a power integration unit configured to integrate the plurality of power inputs by the plurality of power input units into an integrated power output;
- and
- a main control unit configured to instruct power supply priority of the first battery pack and the second battery pack and control simultaneous charging of the plurality of battery packs, wherein the first battery pack and the second battery receive different levels of power input when being simultaneously charged from the integrated power output,
- wherein the first battery pack includes a first battery pack control unit configured to perform communication with the main control unit and the second battery pack includes a second battery pack control unit configured to perform communication with the main control unit,
- wherein the power supply ratio indicates a fraction of allocation of the supplied power,
- wherein the main control unit further configured to determine a power supply ratio allocating a relative percentage of the power supplied from the power integration unit to each of the plurality of battery packs based on the integrated power output to control simultaneous charging of the plurality of battery packs, wherein the first battery pack and the second battery pack receive different levels of power input according to the power supply ratio when being simultaneously charged from the integrated power output,
- wherein the first charging control unit, the second charging control unit, the plurality of power input units, the power integration unit and the main control unit are each implemented via at least one processor, and
- wherein each of the plurality of battery packs is further configured to autonomously decrease the power supplied from the power integration unit to a respective one of the plurality of battery packs in accordance with the power supply ratio and the integrated power output.
7 more elements
Dependencies are inferred from the claim text.