QUICK CHARGING DEVICE AND MOBILE CHARGING APPARATUS

• US 20130049676A1
• Filed: 02/18/2011
• Published: 02/28/2013
• Est. Priority Date: 02/19/2010
• Status: Abandoned Application

• Current Assignee: JFE Engineering Corporation (JFE Holdings Incorporated)
• Original Assignee: JFE Engineering Corporation (JFE Holdings Incorporated)
• Inventors: Ishikawa, Hirofumi, Tamura, Atsushi, Shimamura, Takahiro, Imaizumi, Masato, Imai, Takashi
• Application Number:
  US13/579,082
• Publication Number:
  US 20130049676A1
• Time in Patent Office: Days
• US Class Current: 320/103
• CPC Class Codes: B60L 1/006 to power outlets
• CPC Class Codes: B60L 2210/10 DC to DC converters
• CPC Class Codes: B60L 2270/20 Inrush current reduction, i.e. avoiding high currents when connecting the battery
• CPC Class Codes: B60L 50/40 using propulsion power supplied by capacitors
• CPC Class Codes: B60L 53/11 DC charging controlled by the charging station, e.g. mode 4
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/53 Batteries
• CPC Class Codes: B60L 53/57 Charging stations without connection to power networks
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 58/18 of two or more battery modules
• CPC Class Codes: B60L 58/20 having different nominal voltages
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 2220/20 Batteries in motive systems, e.g. vehicle, ship, plane
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• 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 90/167 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 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A quick charging device includes a battery capable of quickly charging a battery for power, the battery for power being a load, a high-capacity battery having a higher electrical capacitance than the battery, and a controller configured to, when the battery for power is charged, connect the battery and the high-capacity battery in series to add power of the high-capacity battery to power of the battery, and supply the battery for power with the power obtained through the addition.

Claims

1. A quick charging device comprising:

a battery capable of quickly charging a battery for power, the battery for power being a load;

a high-capacity battery having a higher electrical capacitance than the battery; and

a controller configured to, when the battery for power is charged, connect the battery and the high-capacity battery in series to add power of the high-capacity battery to power of the battery, and supply the battery for power with the power obtained through the addition.

2. The quick charging device according to claim 1, further comprising a DC/DC converter connected to the battery for power, wherein, when the power of the battery becomes substantially equal to or lower than power necessary for charging while the battery for power is being charged with the power obtained through the addition, the controller controls the DC/DC converter to supply only the power of the high-capacity battery to the battery for power via the DC/DC converter.

3. The quick charging device according to claim 1, further comprising a plurality of the batteries, wherein when the power of the battery connected in series to the high-capacity battery becomes substantially equal to or lower than the power necessary for charging due to the charging of the battery for power, the controller connects a next battery and the high-capacity battery in series.

4. The quick charging device according to claim 1, further comprising an AC/DC converter connected to an alternating-current power source, wherein, when the battery for power is charged by connecting the next battery and the high-capacity battery in series, the controller connects the AC/DC converter to the battery having power substantially equal to or lower than the power necessary for charging, and controls the AC/DC converter to supply power to the battery.

5. The quick charging device according to claim 2, wherein, when the battery for power is not charged, the controller controls the DC/DC converter to charge the battery with the power of the high-capacity battery via the DC/DC converter.

6. The quick charging device according to claim 1, further comprising a buffering resistor that restrains excess current, the buffering resistor being connected to the battery for power, wherein, when the battery for power is charged with the power obtained through addition, the controller supplies the power to the battery for power via the buffering resistor.

7. The quick charging device according to claim 2, wherein, when the battery for power is charged with the power obtained through addition, the controller controls the DC/DC converter to supply the power to the battery for power via the DC/DC converter.

8. The quick charging device according to claim 4, wherein, when the battery for power is not charged, the controller controls the AC/DC converter to supply power from the AC/DC converter to the high-capacity battery.

9. The quick charging device according to claim 4, wherein, when the battery for power is not charged, the controller controls the AC/DC converter to supply power from the AC/DC converter to the battery.

10. A mobile charging apparatus comprising the quick charging device according to claim 1, the quick charging device being mounted on a vehicle.

11. The quick charging device according to claim 2, further comprising a plurality of the batteries, wherein when the power of the battery connected in series to the high-capacity battery becomes substantially equal to or lower than the power necessary for charging due to the charging of the battery for power, the controller connects a next battery and the high-capacity battery in series.

12. The quick charging device according to claim 2, further comprising an AC/DC converter connected to an alternating-current power source, wherein, when the battery for power is charged by connecting the next battery and the high-capacity battery in series, the controller connects the AC/DC converter to the battery having power substantially equal to or lower than the power necessary for charging, and controls the AC/DC converter to supply power to the battery.

13. The quick charging device according to claim 3, further comprising an AC/DC converter connected to an alternating-current power source, wherein, when the battery for power is charged by connecting the next battery and the high-capacity battery in series, the controller connects the AC/DC converter to the battery having power substantially equal to or lower than the power necessary for charging, and controls the AC/DC converter to supply power to the battery.

14. The quick charging device according to claim 3, wherein, when the battery for power is not charged, the controller controls the DC/DC converter to charge the battery with the power of the high-capacity battery via the DC/DC converter.

15. The quick charging device according to claim 4, wherein, when the battery for power is not charged, the controller controls the DC/DC converter to charge the battery with the power of the high-capacity battery via the DC/DC converter.

16. The quick charging device according to claim 2, further comprising a buffering resistor that restrains excess current, the buffering resistor being connected to the battery for power, wherein, when the battery for power is charged with the power obtained through addition, the controller supplies the power to the battery for power via the buffering resistor.

17. The quick charging device according to claim 3, further comprising a buffering resistor that restrains excess current, the buffering resistor being connected to the battery for power, wherein, when the battery for power is charged with the power obtained through addition, the controller supplies the power to the battery for power via the buffering resistor.

18. The quick charging device according to claim 4, further comprising a buffering resistor that restrains excess current, the buffering resistor being connected to the battery for power, wherein, when the battery for power is charged with the power obtained through addition, the controller supplies the power to the battery for power via the buffering resistor.

19. The quick charging device according to claim 5, further comprising a buffering resistor that restrains excess current, the buffering resistor being connected to the battery for power, wherein, when the battery for power is charged with the power obtained through addition, the controller supplies the power to the battery for power via the buffering resistor.