POWER SUPPLY METHOD, CHARGING CONTROL DEVICE, AND POWER SUPPLY SYSTEM

• US 20140361734A1
• Filed: 09/06/2011
• Published: 12/11/2014
• Est. Priority Date: 09/17/2010
• Status: Abandoned Application

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Yamazaki, Daisuke, Suzuki, Masahiro, Natsume, Tetsu, Ishibashi, Yoshihito, Tajima, Shigeru, Kumagai, Yoshiaki
• Application Number:
  US13/824,102
• Publication Number:
  US 20140361734A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H02J 7/00712 the cycle being controlled or terminated in response to electric parameters
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

There is provided a power supply method including an initial setting step of performing, by a charging control device, initial setting on a plurality of battery devices each including a secondary cell therein and a charging device performing contactless power transmission to transmit power to the battery devices that are provided in a stacked manner, a power transmission instruction step of providing, by the charging control device, an instruction to start the contactless power transmission from the charging device subjected to the initial setting in the initial setting step to the battery devices, a contactless power transmission step of performing the contactless power transmission from the charging device to the battery devices and a charging completion step of notifying, when charging of the battery devices is completed, the charging control device of completion of the charging by the battery devices.

Claims

1. A power supply method comprising:

an initial setting step of performing, by a charging control device, initial setting on a plurality of battery devices each including a secondary cell therein and a charging device performing contactless power transmission to transmit power to the battery devices that are provided in a stacked manner;

a power transmission instruction step of providing, by the charging control device, an instruction to start the contactless power transmission from the charging device subjected to the initial setting in the initial setting step to the battery devices;

a contactless power transmission step of performing the contactless power transmission from the charging device to the battery devices; and

a charging completion step of notifying, when charging of the battery devices is completed, the charging control device of completion of the charging by the battery devices,

wherein, after the charging completion step, a transmission instruction step is performed, in which the charging control device instructs the charging device to start the contactless power transmission to the battery device different from the battery devices instructed to transmit the power in the power transmission instruction step.

2. The power supply method according to claim 1, wherein, in the contactless power transmission step, the charging device performs the power transmission sequentially from the battery device stacked on a lower side.

3. The power supply method according to claim 1, wherein, in the initial setting step, identification information used to individually identify the plurality of battery devices and the charging device is transmitted from the plurality of battery devices and the charging device to the charging control device.

4. A power supply method comprising:

an initial setting step of performing, by a charging control device, initial setting on a plurality of battery devices each including a secondary cell therein and a charging device performing contactless power transmission to transmit power to the battery devices that are provided in a stacked manner;

a power transmission instruction step of providing, by the charging control device, an instruction to start the contactless power transmission from the battery devices subjected to the initial setting in the initial setting step to the charging device;

a contactless power transmission step of performing the contactless power transmission from the battery devices to the charging device; and

a transmission completion step of notifying, by the battery devices, the charging control device that the power transmission is completed, when a voltage of the secondary cell of battery device becomes equal to or less than a predetermined value,

wherein, after the transmission completion step, a transmission instruction step is performed, in which the charging control device instructs the battery device different from the battery devices instructed in the power transmission instruction step to start the contactless power transmission to the charging device.

5. The power supply method according to claim 4, wherein, in the contactless power transmission step, the power transmission is performed on the charging device sequentially from the battery device stacked on a lower side.

6. The power supply method according to claim 4, wherein, in the initial setting up, identification information used to individually identify the plurality of battery devices and the charging device is transmitted from the plurality of battery devices and the charging device to the charging control device.

7. A charging control device comprising:

an initial setting unit that performs initial setting on a plurality of battery devices each including a secondary cell therein and a charging device performing contactless power transmission to transmit power to the battery devices that are provided in a stacked manner;

a power transmission instruction unit that provides an instruction to start the contactless power transmission from the charging device subjected to the initial setting by the initial setting unit to the battery devices; and

a charging completion notification acquisition unit that acquires a charging completion notification from the battery devices whose charging is completed,

wherein, after the charging completion notification acquisition unit acquires the completion notification, the power transmission instruction unit instructs the charging device to start the contactless power transmission to the battery device different from the battery devices previously instructed to transmit the power.

8. A charging control device comprising:

an initial setting unit that performs initial setting on a plurality of battery devices each including a secondary cell therein and a charging device performing contactless power transmission to transmit power to the battery devices that are provided in a stacked manner;

a power transmission instruction unit that provides an instruction to start the contactless power transmission from the battery devices subjected to the initial setting by the initial setting unit to the charging device; and

a power transmission completion notification acquisition unit that acquires a power transmission completion notification transmitted from the battery device when a voltage of the secondary cell of the battery device becomes equal to or less than a predetermined value,

wherein, after the power transmission completion notification acquisition unit acquires the completion notification, the power transmission instruction unit instructs the battery device different from the battery devices previously instructed to transmit the power, to start the contactless power transmission to the charging device.

9. A power supply system comprising:

a plurality of battery devices each including a secondary cell therein;

a charging device that performs contactless power transmission to transmit power to the battery devices that are provided in a stacked manner; and

a charging control device that controls the contactless power transmission between the battery devices and the charging device,

wherein the charging control device includes

an initial setting unit that performs initial setting on the battery devices and the charging device,

a power transmission instruction unit that provides an instruction to start the contactless power transmission from the charging device subjected to the initial setting by the initial setting unit to the battery devices, and

a charging completion notification acquisition unit that acquires a charging completion notification from the battery device whose charging is completed, and

wherein, after the charging completion notification acquisition unit acquires the completion notification, the power transmission instruction unit instructs the charging device to start the contactless power transmission to the battery device different from the battery devices previously instructed to transmit the power.

10. A power supply system comprising:

a plurality of battery devices each including a secondary cell therein;

a charging device that performs contactless power transmission to transmit power to the battery devices that are provided in a stacked manner; and

a charging control device that controls the contactless power transmission between the battery devices and the charging device,

wherein the charging control device includes

an initial setting unit that performs initial setting on the battery devices and the charging device,

a power transmission instruction unit that provides an instruction to start the contactless power transmission from the battery devices subjected to the initial setting by the initial setting unit to the charging device, and

a power transmission completion notification acquisition unit that acquires a power transmission completion notification transmitted from the battery device when a voltage of the secondary cell of the battery device becomes equal to or less than a predetermined value, and

wherein, after the power transmission completion notification acquisition unit acquires the completion notification, the power transmission instruction unit instructs the battery device different from the battery devices previously instructed to transmit the power to start the contactless power transmission to the charging device.