BATTERY CONTROL SYSTEM, BATTERY CONTROLLER, BATTERY CONTROL METHOD AND PROGRAM

• US 20110133688A1
• Filed: 11/11/2010
• Published: 06/09/2011
• Est. Priority Date: 12/09/2009
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: ISHIBASHI, Yoshihito
• Granted Patent: US 8,749,202 B2
• Time in Patent Office: Days
• US Class Current: 320/101
• CPC Class Codes: B60L 53/00 Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
• CPC Class Codes: B60L 53/51 Photovoltaic means
• CPC Class Codes: B60L 53/52 Wind-driven generators
• CPC Class Codes: B60L 53/54 Fuel cells
• CPC Class Codes: G05B 13/02 electric
• 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 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 10/465 with solar battery as charging system
• CPC Class Codes: H02J 13/00028 involving the use of Internet protocols
• CPC Class Codes: H02J 2300/24 of photovoltaic origin
• CPC Class Codes: H02J 2300/30 The power source being a fuel cell
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 3/003 Load forecast, e.g. methods or systems for forecasting future load demand
• CPC Class Codes: H02J 3/004 Generation forecast, e.g. methods or systems for forecasting future energy generation
• CPC Class Codes: H02J 3/28 Arrangements for balancing of the load in a network by storage of energy
• CPC Class Codes: H02J 3/322 the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
• CPC Class Codes: H02J 3/381 Dispersed generators
• CPC Class Codes: H02J 7/35 with light sensitive cells
• CPC Class Codes: Y02B 10/10 Photovoltaic [PV]
• CPC Class Codes: Y02E 10/56 Power conversion systems, e.g. maximum power point trackers
• CPC Class Codes: Y02E 60/00 : Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02E 60/10 : Energy storage using batteries
• CPC Class Codes: Y02E 70/30 : Systems combining energy storage with energy generation of non-fossil origin
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles
• CPC Class Codes: Y02T 90/167 : Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 10/126 : the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
• CPC Class Codes: Y04S 30/12 : Remote or cooperative charging

Abstract

Provided is a battery control system including a power generation unit that generates electric power from renewable energy as an energy source, a battery storing the electric power, a power generation amount estimation unit that estimates a generation amount of electric power generated by the power generation unit, based on estimation information in which a renewable energy amount available to the power generation unit is estimated, a power consumption amount estimation unit that estimates power consumption, a determination unit that determinates whether or not electric power is to be stored in the battery, based on a storage amount of the battery, the generation amount of electric power and the amount of power consumption, and a power acquisition unit that acquires electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.

Claims

1. A battery control system comprising:

a power generation unit that generates electric power from renewable energy as an energy source;

a battery for storing the electric power;

a power generation amount estimation unit that estimates a generation amount of electric power generated by the power generation unit, based on estimation information in which a renewable energy amount available to the power generation unit is estimated;

a power consumption amount estimation unit that estimates an amount of electric power consumption;

a determination unit that determinates whether or not electric power is to be stored in the battery, based on a storage amount of the battery, the generation amount of electric power and the amount of power consumption; and

a power acquisition unit that acquires electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.

2. The battery control system according to claim 1, further comprising:

a storage amount information acquisition unit that acquires storage amount information of the battery from the battery; and

an estimation information acquisition unit that acquires the estimation information from the outside.

3. The battery control system according to claim 1,

wherein the power consumption amount estimation unit estimates an amount of electric power consumption based on an amount of electric power consumption in the past.

4. The battery control system according to claim 1,

wherein the power consumption amount estimation unit estimates an amount of electric power consumption based on at least one of input information and schedule information, which have been input by a user.

5. The battery control system according to claim 1,

wherein the power acquisition unit purchases electric power to be stored in the battery.

6. The battery control system according to claim 1,

wherein the power acquisition unit generates electric power to be stored in the battery by a generator.

7. The battery control system according to claim 1,

wherein the power generation unit generates electric power from sunlight energy as an energy source.

8. The battery control system according to claim 1,

wherein the power generation unit generates electric power from wind power as an energy source.

9. The battery control system according to claim 1,

wherein the battery is a battery mounted on an electric vehicle.

10. A battery controller comprising:

a power generation amount estimation unit that estimates a generation amount of electric power generated by a power generation unit, based on estimation information in which an available renewable energy amount is estimated;

a power consumption amount estimation unit that estimates an amount of electric power consumption;

a determination unit that determinates based on a storage amount of a battery for storing the electric power, the generation amount of electric power and the amount of electric power consumption, whether or not electric power is to be stored in the battery; and

a power acquisition unit that acquires electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.

11. A battery control method, comprising the steps of:

estimating a generation amount of electric power generated by a power generation unit, based on estimation information in which an available renewable energy amount is estimated;

estimating an amount of electric power consumption;

determining whether or not electric power is to be stored in a battery, based on a storage amount of the battery, the generation amount of electric power and the amount of electric power consumption; and

acquiring electric power to be stored in the battery, when, as a result of determination at the step of determining, electric power is to be stored in the battery.

12. A program for causing a computer to function as a power generation amount estimation unit that estimates a generation amount of electric power generated by a power generation unit, based on estimation information in which an available renewable energy amount is estimated;

a power consumption amount estimation unit that estimates an amount of electric power consumption;

a determination unit that determinates based on a storage amount of a battery for storing the electric power, the generation amount of electric power and the amount of electric power consumption, whether or not electric power is to be stored in the battery; and

a power acquisition unit that acquires electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.

13. A battery control system comprising:

a power generation unit that generates electric power from renewable energy as an energy source;

a battery for storing the electric power;

an acquisition unit that acquires information about a generation amount of electric power generated by the power generation unit, the generation amount of electric power being estimated based on estimation information in which a renewable energy amount available to the power generation unit is estimated;

a power consumption amount estimation unit that estimates an amount of electric power consumption;

a determination unit that determinates based on a storage amount of the battery, the information about a generation amount of electric power, and the amount of electric power consumption, whether or not electric power is to be stored in the battery; and

a power acquisition unit that acquires electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.

14. A battery controller comprising:

an acquisition unit that acquires information about a generation amount of electric power generated by a power generation unit, the generation amount of electric power being estimated based on estimation information in which an available renewable energy amount is estimated;

a power consumption amount estimation unit that estimates an amount of electric power consumption;

a determination unit that determinates based on a storage amount of a battery for storing the electric power, the information about a generation amount of electric power, and the amount of electric power consumption, whether or not electric power is to be stored in the battery; and

a power acquisition unit that acquires electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.

15. A battery control method, comprising the steps of:

acquiring information about a generation amount of electric power generated by a power generation unit, the generation amount of electric power being estimated based on estimation information in which an available renewable energy amount is estimated;

estimating an amount of electric power consumption;

determining based on a storage amount of a battery, the information about a generation amount of electric power, and the amount of electric power consumption, whether or not electric power is to be stored in the battery; and

acquiring electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.

16. A program for causing a computer to function as

an acquisition unit that acquires information about a generation amount of electric power generated by a power generation unit, the generation amount of electric power being estimated based on estimation information in which an available renewable energy amount is estimated;

a power consumption amount estimation unit that estimates an amount of electric power consumption;

a determination unit that determinates based on a storage amount of a battery for storing the electric power, the information about a generation amount of electric power, and the amount of electric power consumption, whether or not electric power is to be stored in the battery; and

a power acquisition unit that acquires electric power to be stored in the battery, when, as a result of determination by the determination unit, electric power is to be stored in the battery.