RAPID CHARGING POWER SUPPLY SYSTEM

• US 20160121735A1
• Filed: 05/13/2014
• Published: 05/05/2016
• Est. Priority Date: 05/17/2013
• Status: Abandoned Application

• Current Assignee: Institute for Energy Application Technologies Co., Ltd.
• Original Assignee: Institute for Energy Application Technologies Co., Ltd.
• Inventors: Sugano, Tomio
• Application Number:
  US14/891,644
• Publication Number:
  US 20160121735A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60L 2200/10 Air crafts
• CPC Class Codes: B60L 2200/18 Buses
• CPC Class Codes: B60L 2200/26 Rail vehicles
• CPC Class Codes: B60L 2200/36 Vehicles designed to transport cargo, e.g. trucks
• CPC Class Codes: B60L 2200/42 Fork lift trucks
• CPC Class Codes: B60L 3/00 Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption methods or circuit arrangements for monitoring or controlling batteries or fuel cells B60L58/00
• CPC Class Codes: B60L 53/11 DC charging controlled by the charging station, e.g. mode 4
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/51 Photovoltaic means
• CPC Class Codes: B60L 53/52 Wind-driven generators
• CPC Class Codes: B60L 53/53 Batteries
• CPC Class Codes: B60L 53/54 Fuel cells
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/67 Controlling two or more charging stations
• CPC Class Codes: B60L 58/18 of two or more battery modules
• CPC Class Codes: B60L 58/26 by cooling
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 3/32 using batteries with converting means
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/342 : The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging with circuits for polarity protection H02J7/0034
• CPC Class Codes: Y02P 90/60 : Electric or hybrid propulsion means for production processes
• 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 90/16 : 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 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

Embodiments of the disclosed technology are directed to a rapid charging power supply system capable of rapidly charging an electric moving body, such as a vehicle. Certain example embodiments are directed to a rapid charging power supply system capable of rapidly charging two electric moving bodies with different charging methods at the same time using a single system. For example, a rapid charging power supply system capable of rapid charging, using a single system, both an electric moving body having a rapid-charging control means equipped therein and an electric moving body that does not have a rapid-charging control means equipped therein is provided.

Claims

1. A rapid charging power supply system capable of supplying electric power for rapid charging to each of a first electric moving body equipped with a rapid-charging control means, and a second electric moving body which is not equipped with the rapid-charging control means, wherein the rapid charging power supply system comprising:

a first stationary rapid charger capable of controlling electric power supplied from a power supply, to be DC power having a voltage and a current optimum for charging of various types of electric storage means, including at least charging of an on-vehicle electric storage means of the second electric moving body;

a stationary electric storage means capable of storing the DC power, which is charged by the first stationary rapid charger and is supplied to the first electric moving body and the second electric moving body;

a second stationary rapid charger, connected with the stationary electric storage means, capable of controlling the DC power from the stationary electric storage means to be DC power having a voltage and a current optimum for rapid charging of the on-vehicle electric storage means equipped in the second electric moving body; and

a power feeding control means, provided between the first stationary rapid charger and the stationary electric storage means, for discontinuing power feeding from the first stationary rapid charger to the stationary electric storage means during charging of an on-vehicle electric storage means of the first electric moving body with the DC power output from the stationary electric storage means, and during the charging of the on-vehicle electric storage means of the second electric moving body, performed through a second stationary rapid charger with the DC power output from the stationary electric storage means.

2. The rapid charging power supply system according to claim 1, further comprising a power supply switching means, provided in between the first stationary rapid charger and the power feeding control means, for supplying the DC power from the first stationary rapid charger through switching of either a first charging circuit for supplying the DC power through the power feeding control means to the stationary electric storage means, or a second charging circuit for directly charging the on-vehicle electric storage means of the second electric moving body.

3. The rapid charging power supply system according to claim 1, wherein the stationary electric storage means is constituted of a recycled on-vehicle electric storage means equipped in an electric moving body which is to be discarded.

4. The rapid charging power supply system according to claim 1, wherein at least the stationary electric storage means is transported and operated while being housed in an internationally-standardized marine container.

5. The rapid charging power supply system according to claim 1, wherein the second stationary rapid charger is constituted of a battery charger having the same standard and the same capacity as the standard and the capacity of the first stationary rapid charger.

6. The rapid charging power supply system according to claim 1, wherein the stationary electric storage means is connectable with a plurality of the first electric moving bodies.

7. The rapid charging power supply system according to claim 1, wherein the stationary electric storage means is connected with a plurality of the second stationary rapid chargers.

8. The rapid charging power supply system according to claim 1, wherein the stationary electric storage means is connected with an inverter for converting DC power into AC power and supplying the converted AC power to a commercial electric power system.

9. The rapid charging power supply system according to claim 1, wherein the electric power input into the first stationary rapid charger is electric power generated with renewable energy.

10. The rapid charging power supply system according to claim 2, wherein the stationary electric storage means is constituted of a recycled on-vehicle electric storage means equipped in an electric moving body which is to be discarded.

11. The rapid charging power supply system according to claim 2, wherein at least the stationary electric storage means is transported and operated while being housed in an internationally-standardized marine container.

12. The rapid charging power supply system according to claim 2, wherein the second stationary rapid charger is constituted of a battery charger having the same standard and the same capacity as the standard and the capacity of the first stationary rapid charger.

13. The rapid charging power supply system according to claim 2, wherein the stationary electric storage means is connectable with a plurality of the first electric moving bodies.

14. The rapid charging power supply system according to claim 2, wherein the stationary electric storage means is connected with a plurality of the second stationary rapid chargers.

15. The rapid charging power supply system according to claim 2, wherein the stationary electric storage means is connected with an inverter for converting DC power into AC power and supplying the converted AC power to a commercial electric power system.

16. The rapid charging power supply system according to claim 2, wherein the electric power input into the first stationary rapid charger is electric power generated with renewable energy.