POWER CONTROL DEVICE, POWER MANAGEMENT DEVICE AND POWER MANAGEMENT SYSTEM

• US 20120310428A1
• Filed: 05/29/2012
• Published: 12/06/2012
• Est. Priority Date: 06/03/2011
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Katagi, Masanobu, Ukita, Masakazu, Moriai, Shiho, Yoshida, Asami
• Granted Patent: US 9,343,905 B2
• Time in Patent Office: Days
• US Class Current: 700/292
• CPC Class Codes: G05F 1/66 Regulating electric power
• CPC Class Codes: H02J 3/008 involving trading of energy or energy transmission rights
• CPC Class Codes: H02J 3/32 using batteries with converting means
• CPC Class Codes: H04L 63/0428 wherein the data content is protected, e.g. by encrypting or encapsulating the payload
• CPC Class Codes: H04L 63/0435 wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption cryptographic mechanisms or cryptographic arrangements for symmetric key encryption H04L9/06
• CPC Class Codes: H04L 63/0869 for achieving mutual authentication cryptographic mechanisms or cryptographic arrangements for mutual authentication H04L9/3273
• CPC Class Codes: H04L 63/0876 based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
• CPC Class Codes: Y04S 40/20 Information technology specific aspects, e.g. CAD, simulation, modelling, system security
• CPC Class Codes: Y04S 50/10 Energy trading, including energy flowing from end-user application to grid

Abstract

A power control device forms energy storage equipment together with a storage battery. The power control device includes: a communication portion that communicates with a power management device, which manages charge and discharge of the storage battery; a power conditioner that supplies electricity to a predetermined destination for supply; a control portion that controls operation of the power conditioner based on instructions from the power management device that are received by the communication portion; and an authentication processing portion that performs authentication processing with the power management device.

Claims

1. A power control device that, together with a storage battery, forms energy storage equipment, the power control device comprising:

a communication portion that communicates with a power management device that manages charge and discharge of the storage battery;

a power conditioner that supplies electricity to a predetermined destination for supply;

a control portion that controls operation of the power conditioner based on instructions from the power management device that are received by the communication portion; and

an authentication processing portion that performs authentication processing with the power management device.

2. The power control device according to claim 1, further comprising:

at least one of an encryption processing portion and a verification data generation portion, when authentication by the authentication processing portion is successful, the encryption processing portion encrypting communication with the power management device and the verification data generation portion generating verification data used to verify whether content of the communication with the power management device has been tampered with,

wherein the communication portion transmits the verification data to the power management device.

3. A power management device comprising:

a reception portion that receives stored electricity amount information indicating an amount of stored electricity in a storage battery, the stored electricity amount information being transmitted from a power control device that forms energy storage equipment together with the storage battery;

a point issuing portion that issues points with respect to each of the energy storage equipment in accordance with the amount of stored electricity indicated by the stored electricity amount information; and

an identification information database that stores identification information corresponding to the power control device.

4. A power control device that, together with a storage battery, forms energy storage equipment, the power control device comprising:

a reception portion that receives instructions from a power management device that manages charge and discharge of the storage battery;

a power conditioner that supplies electricity to a predetermined destination for supply;

a control portion that controls operation of the power conditioner based on the instructions from the power management device;

an identifier generation portion that generates a predetermined identifier; and

a transmission portion that transmits stored electricity amount information indicating an amount of stored electricity in the storage battery together with the identifier to the power management device.

5. The power control device according to claim 4, wherein

the identifier generation portion generates time information by measuring a time.

6. The power control device according to claim 5, wherein

the time information indicates a time of a time point at which a query about the stored electricity amount information is received from the power management device.

7. A power management device comprising:

a reception portion that receives stored electricity amount information indicating an amount of stored electricity in a storage battery and a predetermined identifier, the stored electricity amount information and the predetermined identifier being transmitted from a power control device that forms energy storage equipment together with the storage battery;

a point issuing portion that performs a query, with respect to the power control device, about the stored electricity amount information indicating the amount of stored electricity in the storage battery, and issues points with respect to each of the energy storage equipment in accordance with the amount of stored electricity indicated by the stored electricity amount information; and

an identifier verification portion that verifies validity of the stored electricity amount information based on the identifier.

8. The power management device according to claim 7, further comprising:

a time measurement portion that generates time information by measuring a time;

wherein the predetermined identifier indicates a time, and

wherein the identifier verification portion verifies the validity of the stored electricity amount information by comparing the time information generated by the time measurement portion with the predetermined identifier.

9. The power management device according to claim 8, wherein

the time information indicates a time at which the query about the stored electricity amount information is performed by the point issuing portion with respect to the power control device.

10. A power control device that, together with a storage battery, forms energy storage equipment, the power control device comprising:

a reception portion that receives instructions from a power management device that manages charge and discharge of the storage battery;

a power conditioner that supplies electricity to a predetermined destination for supply;

a control portion that controls operation of the power conditioner based on the instructions from the power management device;

a power determination portion that determines whether an amount of stored electricity in the storage battery and a supply power amount from the power conditioner to the storage battery satisfy predetermined conditions; and

a transmission portion that transmits, to the power management device, stored electricity amount information indicating the amount of stored electricity in the storage battery and determination result information indicating a determination result by the power determination portion.

11. The power control device according to claim 10, further comprising:

an encryption processing portion that encrypts the stored electricity amount information and the determination result information.

12. The power control device according to claim 10, further comprising:

a verification data generation portion that generates verification data used to verify whether the stored electricity amount information and the determination result information have been tampered with;

wherein the transmission portion transmits the verification data together with the stored electricity amount information and the determination result information.

13. A power management device comprising:

a reception portion that receives stored electricity amount information and determination result information transmitted from a power control device, the power control device forming energy storage equipment with a storage battery and the power control device including

a reception portion that receives instructions from the power management device that manages charge and discharge of the storage battery,

a power conditioner that supplies electricity to a predetermined destination for supply,

a control portion that controls operation of the power conditioner based on the instructions from the power management device,

a power determination portion that determines whether an amount of stored electricity in the storage battery and a supply power amount from the power conditioner to the storage battery satisfy predetermined conditions, and

a transmission portion that transmits, to the power management device, the stored electricity amount information indicating the amount of stored electricity in the storage battery and the determination result information indicating a determination result by the power determination portion; and

a point issuing portion that issues points with respect to each of the energy storage equipment in accordance with the amount of stored electricity indicated by the stored electricity amount information when the determination result information satisfies the predetermined conditions.

14. The power management device according to claim 13, further comprising:

at least one of a decryption processing portion and a verification processing portion, the decryption processing portion decrypting the stored electricity amount information and the determination result information that are encrypted and transmitted, and the verification processing portion verifying whether the stored electricity amount information and the determination result information have been tampered with, based on verification data that is transmitted together with the stored electricity amount information and the determination result information.

15. A power control device that, together with a storage battery, forms energy storage equipment, the power control device comprising:

a reception portion that receives instructions from a power management device that manages charge and discharge of the storage battery;

a power conditioner that is connected to a discharge meter and that supplies electricity to a predetermined destination for supply, the discharge meter measuring an amount of discharge to a power network;

a control portion that controls operation of the power conditioner based on the instructions from the power management device; and

a power determination portion that determines whether an amount of electricity output from the power conditioner to the discharge meter and the amount of electricity that is output to the power network via the discharge meter satisfy predetermined conditions.

16. A power management device comprising:

a reception portion that receives stored electricity amount information indicating an amount of stored electricity in a storage battery, the stored electricity amount information being transmitted from a plurality of power control devices that each form, together with the storage battery, energy storage equipment;

a point issuing portion that performs a query, with respect to the plurality of power control devices, about the stored electricity amount information, and issues points with respect to each of the power control devices in accordance with the amount of stored electricity indicated by the stored electricity amount information that is received by the reception portion; and

a query control portion that controls the query by the point issuing portion about the stored electricity amount information.

17. The power management device according to claim 16, wherein

the query control portion divides the plurality of power control devices into a plurality of groups, and controls the query by the point issuing portion about the stored electricity amount information such that the query about the stored electricity amount information is performed per each of the groups.

18. A power management device comprising:

a reception portion that receives stored electricity amount information indicating an amount of stored electricity in a storage battery, the stored electricity amount information being transmitted from a power control device that forms energy storage equipment together with the storage battery;

a point issuing portion that issues points with respect to each of the energy storage equipment in accordance with the amount of stored electricity indicated by the stored electricity amount information;

a software database that stores software;

a verification data generation portion that generates tampering verification data that is used to verify whether software supplied to the power control device, from among the software stored in the software database, has been tampered with; and

a software supply portion that supplies the tampering verification data and the software stored in the software database to the power control device.

19. A power control device that, together with a storage battery, forms energy storage equipment, the power control device comprising:

a reception portion that receives instructions from a power management device that manages charge and discharge of the storage battery;

a power conditioner that supplies electricity to a predetermined destination for supply;

a control portion that controls operation of the power conditioner based on the instructions from the power management device;

an input portion that receives an input of authentication information from a user; and

a transmission portion that transmits the authentication information to the power management device.

20. A power management device comprising:

a communication portion that receives stored electricity amount information and authentication information that are transmitted from a power control device that forms energy storage equipment together with a storage battery, the stored electricity amount information indicating an amount of stored electricity in the storage battery and the authentication information being input on the power control device by a user;

a point issuing portion that issues points for each of the energy storage equipment in accordance with the amount of stored electricity indicated by the stored electricity amount information; and

a user authentication portion that performs authentication of the user based on the authentication information.

21. A power management system comprising:

a power control device, which forms energy storage equipment together with a storage battery; and

a power management device,

wherein the power control device includes

a first communication portion that communicates with the power management device and transmits stored electricity amount information indicating an amount of stored electricity in the storage battery,

a power conditioner that supplies electricity to a predetermined destination for supply,

a control portion that controls operation of the power conditioner, and

a first authentication processing portion that performs authentication processing with the power management device, and

wherein the power management device includes

a second communication portion that communicates with the power control device and receives the stored electricity amount information,

a point issuing portion that issues points for each of the energy storage equipment in accordance with the amount of stored electricity indicated by the stored electricity amount information, and

a second authentication processing portion that performs the authentication processing with the power control device.