CHARGING CONTROL APPARATUS, BATTERY, ELECTRONIC DEVICE, VEHICLE, CHARGING CONTROL METHOD, AN ELECTRIC STORAGE SYSTEM AND CHARGING CONTROL UNIT

• US 20150236529A1
• Filed: 02/10/2015
• Published: 08/20/2015
• Est. Priority Date: 02/14/2014
• Status: Active Grant

• Current Assignee: Murata Manufacturing Co Limited
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: YAMAGUCHI, Akira, TANAKA, Masatomo, SHIMIZU, Yoshifumi, ICHIHASHI, Akira
• Granted Patent: US 10,181,740 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60L 15/20 for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
• CPC Class Codes: B60L 15/2009 for braking
• CPC Class Codes: B60L 2200/12 Bikes
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 2240/12 Speed
• CPC Class Codes: B60L 2240/421 Speed
• CPC Class Codes: B60L 2240/423 Torque
• CPC Class Codes: B60L 2240/441 Speed
• CPC Class Codes: B60L 2240/443 Torque
• CPC Class Codes: B60L 2240/545 Temperature
• CPC Class Codes: B60L 2240/547 Voltage
• CPC Class Codes: B60L 2240/549 Current
• CPC Class Codes: B60L 2240/80 Time limits
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 2270/145 Structure borne vibrations
• CPC Class Codes: B60L 50/20 using propulsion power generated by humans or animals
• CPC Class Codes: B60L 50/51 characterised by AC-motors
• CPC Class Codes: B60L 50/52 characterised by DC-motors
• CPC Class Codes: B60L 50/62 charged by low-power generators primarily intended to support the batteries, e.g. range extenders
• CPC Class Codes: B60L 53/14 : Conductive energy transfer
• CPC Class Codes: B60L 53/53 : Batteries
• CPC Class Codes: B60L 53/63 : in response to network capacity
• CPC Class Codes: B60L 53/64 : Optimising energy costs, e.g. responding to electricity rates
• CPC Class Codes: B60L 53/65 : involving identification of vehicles or their battery types
• CPC Class Codes: B60L 55/00 : Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• CPC Class Codes: B60L 58/15 : Preventing overcharging
• CPC Class Codes: B60L 58/21 : having the same nominal voltage
• CPC Class Codes: H02J 2310/48 : for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 7/00036 : Charger exchanging data with battery
• CPC Class Codes: H02J 7/00047 : with provisions for charging different types of batteries
• CPC Class Codes: H02J 7/00712 : the cycle being controlled or terminated in response to electric parameters
• CPC Class Codes: Y02E 60/00 : Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02T 10/62 : Hybrid vehicles
• CPC Class Codes: Y02T 10/64 : Electric machine technologies in electromobility
• 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 10/72 : Electric energy management in electromobility
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 : Information or communication technologies improving the operation of 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 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A charging control apparatus is provided and includes a control unit configured to transmit instructions to a charging unit to execute charging of a battery. The control unit is configured to cause a scheme change from a first charging scheme to a second charging scheme based on charging scheme information received by the control unit.

Claims

1. A charging control apparatus comprising:

a control unit configured to transmit instructions to a charging unit to execute charging of a battery,

wherein the control unit is configured to cause a scheme change from a first charging scheme to a second charging scheme based on charging scheme information received by the control unit.

2. The charging control apparatus according to claim 1, wherein the charging scheme information is based on detection result of a state of the battery.

3. The charging control apparatus according to claim 1, wherein the charging scheme information includes a detected negative electrode potential of the battery.

4. The charging control apparatus according to claim 1, wherein the charging scheme information includes at least one selected from the group consisting of a current value of the battery, a voltage value of the battery, and a temperature of the battery.

5. The charging control apparatus according to claim 1, wherein the charging scheme information includes open-circuit voltage measurements of the battery.

6. The charging control apparatus according to claim 1, wherein the second charging scheme includes utilizing the first charging scheme in an intermittent manner.

7. The charging control apparatus according to claim 1, wherein the second charging scheme includes modifying the first charging scheme with a reduced current density of the charge and discharge current.

8. The charging control apparatus according to claim 1, wherein the second charging scheme includes utilizing the first charging scheme while changing a charge voltage in a stepwise manner.

9. The charging control apparatus according to claim 1, further comprising a state detecting and evaluating unit connected between the battery and the control unit, the state detecting and evaluating unit configured to detect and evaluate the state of the battery.

10. The charging control apparatus according to claim 9, wherein the state detecting and evaluating unit includes at least one selected from the group consisting of a current measuring unit, a voltage measuring unit, and a temperature measuring unit.

11. The charging control apparatus according to claim 10, wherein the state detecting and evaluating unit further includes a charging and discharging history calculation unit.

12. The charging control apparatus according to claim 1, further comprising a discharging unit, wherein the control unit is also configured to transmit instructions to the discharging unit to execute discharging of the battery.

13. A charging control apparatus comprising:

a control unit including

a first control unit configured to transmit instructions to a charging unit to execute charging of a battery, and

a second control unit configured to transmit instructions to the charging unit to execute charging of the battery with a temporal change of a charging rate being less than a temporal change of a charging rate of the first control unit.

14. The charging control apparatus according to claim 13, wherein the control unit is configured to cause a scheme change from a first charging scheme of the first control unit to a second charging scheme of the second control unit based on charging scheme information received by the control unit.

15. The charging control apparatus according to claim 13, further comprising a discharging unit, wherein the control unit is also configured to transmit instructions to the discharging unit to execute discharging of the battery.

16. A battery comprising:

a battery unit; and

a control unit configured to transmit instructions to a charging unit to execute charging of the battery unit,

wherein the control unit is configured to cause a scheme change from a first charging scheme to a second charging scheme based on charging scheme information received by the control unit.

17. The battery according to claim 16, further comprising a discharging unit, wherein the control unit is also configured to transmit instructions to the discharging unit to execute discharging of the battery

18. An electronic device comprising:

a battery unit; and

a control unit configured to transmit instructions to a charging unit to execute charging of the battery unit,

wherein the control unit is configured to cause a scheme change from a first charging scheme to a second charging scheme based on charging scheme information received by the control unit.

19. The electronic device according to claim 18, further comprising a discharging unit, wherein the control unit is also configured to transmit instructions to the discharging unit to execute discharging of the battery.

20. A vehicle comprising:

a battery unit;

a control unit configured to transmit instructions to a charging unit to execute charging of the battery unit; and

a converter configured to convert electric power supplied from the battery unit to a vehicle driving force,

wherein the control unit is configured to cause a scheme change from a first charging scheme to a second charging scheme based on charging scheme information received by the control unit.

21. The vehicle according to claim 20, further comprising a discharging unit, wherein the control unit is also configured to transmit instructions to the discharging unit to execute discharging of the battery.

22. A charging control method comprising:

transmitting instructions to a charging unit to execute charging of a battery,

changing from a first charging scheme to a second charging scheme based on charging scheme information received by a control unit.

23. The charging control method according to claim 22, further comprising transmitting instructions to a discharging unit to execute discharging of the battery.

24. An electric storage system comprising:

a charging control apparatus including

a control unit configured to transmit instructions to a charging unit to execute charging of a battery;

a server connected to the charging control apparatus,

wherein the control unit is configured to cause a scheme change from a first charging scheme to a second charging scheme based on charging scheme information received by the control unit.

25. The electric storage system according to claim 24, wherein the charging control apparatus is configured to regulate a usage amount and a generation amount of electric power from an external electronic power supply network.

26. The electric storage system according to claim 24, wherein the server is configured to transit and receive information from at least one power consumption device that is connected to the charging control apparatus.

27. A charging control unit configured to transmit instructions to a charging unit to execute charging of a battery,

wherein the charging control unit is configured to cause a scheme change from a first charging scheme to a second charging scheme based on charging scheme information.