Multi-standard, alternating current or direct current compatible electric vehicle supply equipment

• US 9,071,074 B2
• Filed: 10/30/2012
• Issued: 06/30/2015
• Est. Priority Date: 02/20/2012
• Status: Expired due to Fees

• Current Assignee: Eaton Intelligent Power Limited (Eaton Corporation PLC.)
• Original Assignee: Eaton Corp. (Wisconsin) (Eaton Corporation PLC.)
• Inventors: Chen, Jiong, Wu, Dongxiao, Yanniello, Robert, Hua, Yahan, Lu, Bin
• Primary Examiner(s): DIAO, M BAYE
• Application Number:
  US13/663,640
• Publication Number:
  US 20130214738A1
• Time in Patent Office: 973 Days
• Field of Search: 320/109, 701/22
• US Class Current: 1/1
• CPC Class Codes: B60L 2240/545 Temperature
• CPC Class Codes: B60L 2240/547 Voltage
• CPC Class Codes: B60L 2270/40 related to technical updates when adding new parts or software
• CPC Class Codes: B60L 3/0023 Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/18 Cables specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 58/13 Maintaining the SoC within a determined range
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 5/00 Circuit arrangements for transfer of electric power between ac networks and dc networks H02J3/36 takes precedence
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/02 for charging batteries from ac mains by converters
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• 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 20/222 : Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A multi-standard compatible electric vehicle supply equipment includes a plurality of different electric vehicle connectors each of which corresponds to one of a plurality of different electric vehicle standards. A power converter inputs alternating current power and includes an output to output direct current power. A circuit is structured to selectively electrically connect a source of alternating current power to a number of the electric vehicle connectors, selectively electrically connect the output of the power converter to a selected one of the different electric vehicle connectors, employ a plurality of different communication protocols for the different electric vehicle connectors, detect connectivity of one of the different electric vehicle connectors with an electric vehicle and responsively select one of a plurality of different charging modes, and communicate with the electric vehicle through the selected one of the different electric vehicle connectors.

Claims

1. A multi-standard compatible electric vehicle supply equipment comprising:

a plurality of different electric vehicle connectors each of which corresponds to one of a plurality of different electric vehicle standards;

a power converter structured to input alternating current power and including an output structured to output direct current power;

a first switch structured to selectively electrically connect a source of alternating current power to a number of said different electric vehicle connectors;

a second switch structured to selectively electrically connect the output of said power converter to a selected one of said different electric vehicle connectors;

a protocol interpretation and mapping component structured to employ a plurality of different communication protocols for said different electric vehicle connectors;

an interface between said protocol interpretation and mapping component and said power converter;

a first circuit structured to detect connectivity of one of said different electric vehicle connectors with an electric vehicle and responsively select one of a plurality of different charging modes, and to control said first switch, said second switch and a plurality of third switches;

a second circuit structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors; and

said plurality of third switches structured to electrically connect said protocol interpretation and mapping component to one of said first and second circuits.

2. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said different electric vehicle connectors include a plurality of different electric vehicle connectors having a direct current output and a number of electric vehicle connectors having either a direct current output or an alternating current output.

3. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said different communication protocols include CHAdeMO and power line carrier.

4. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein a number of said different electric vehicle connectors are structured to charge said electric vehicle with an alternating current output powered through said first switch.

5. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein a plurality of said different electric vehicle connectors are structured to charge said electric vehicle with a direct current output powered through said second switch.

6. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein a number of said different electric vehicle connectors are structured to charge said electric vehicle with either a direct current output powered through said second switch or an alternating current output powered through said first switch.

7. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said second circuit comprises a power line carrier module and a controller area network bus module structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors.

8. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said first circuit comprises a pilot circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle;

and wherein said first circuit is further structured to cause said first switch to open, cause said second switch to electrically connect the output of said power converter to said selected one of said different electric vehicle connectors to provide direct current power thereto, and cause one of said third switches to electrically connect said protocol interpretation and mapping component to said first circuit to adjust said provided direct current power.

9. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said second circuit comprises a power line carrier module structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors;

wherein said first circuit comprises a pilot circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle; and

wherein said first circuit is further structured to cause said first switch to open, cause said second switch to electrically connect the output of said power converter to said selected one of said different electric vehicle connectors to provide direct current power thereto, and cause one of said third switches to electrically connect said protocol interpretation and mapping component to said second circuit to adjust said provided direct current power.

10. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said first circuit comprises a CHAdeMO defined sequence circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle;

wherein said first circuit is further structured to cause said first switch to open, and cause said second switch to electrically connect the output of said power converter to said selected one of said different electric vehicle connectors to provide direct current power thereto;

wherein said second circuit comprises a controller area network bus module structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors;

wherein said protocol interpretation and mapping component comprises a CHAdeMO mapping circuit; and

wherein said first circuit is further structured to cause one of said third switches to electrically connect said CHAdeMO mapping circuit to said controller area network bus module for protocol mapping.

11. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said first circuit comprises a CHAdeMO defined sequence circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle;

wherein said first circuit is further structured to cause said first switch to open, and cause said second switch to electrically connect the output of said power converter to said selected one of said different electric vehicle connectors to provide direct current power thereto;

wherein said second circuit comprises a controller area network bus module structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors;

wherein said protocol interpretation and mapping component comprises a Chinese GB mapping circuit; and

wherein said first circuit is further structured to cause one of said third switches to electrically connect said Chinese GB mapping circuit to said controller area network bus module for protocol mapping.

12. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said first circuit comprises a pilot circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle;

wherein said first circuit responsively causes said first switch to close, causes said second switch to open, and causes said third switches to open; and

wherein said first switch electrically connects alternating current power to said one of said different electric vehicle connectors.

13. The multi-standard compatible electric vehicle supply equipment of claim 1 wherein said power converter comprises an alternating current to direct current power converter having a direct current output;

wherein said second switch is structured to selectively electrically connect said direct current output to said selected one of said different electric vehicle connectors; and

wherein said interface between said protocol interpretation and mapping component and said power converter communicates with a unified internal protocol to said alternating current to direct current power converter.

14. A multi-standard compatible electric vehicle supply equipment comprising:

a plurality of different electric vehicle connectors each of which corresponds to one of a plurality of different electric vehicle standards;

a power converter structured to input alternating current power and including an output structured to output direct current power; and

a circuit structured to selectively electrically connect a source of alternating current power to a number of said electric vehicle connectors, selectively electrically connect the output of said power converter to a selected one of said different electric vehicle connectors, employ a plurality of different communication protocols for said different electric vehicle connectors, detect connectivity of one of said different electric vehicle connectors with an electric vehicle and responsively select one of a plurality of different charging modes, and communicate with said electric vehicle through said selected one of said different electric vehicle connectors.

15. The multi-standard compatible electric vehicle supply equipment of claim 14 wherein said different electric vehicle connectors include a plurality of different electric vehicle connectors having a direct current output and a number of electric vehicle connectors having either a direct current output or an alternating current output.

16. The multi-standard compatible electric vehicle supply equipment of claim 14 wherein said circuit comprises a power line carrier module structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors, and a pilot circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle;

and wherein said circuit is further structured to electrically connect the output of said power converter to said selected one of said different electric vehicle connectors to provide direct current power thereto.

17. The multi-standard compatible electric vehicle supply equipment of claim 14 wherein said circuit comprises a CHAdeMO defined sequence circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle, a controller area network bus module structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors, and a CHAdeMO mapping circuit electrically connected to said controller area network bus module for protocol mapping;

and wherein said circuit is further structured to electrically connect the output of said power converter to said selected one of said different electric vehicle connectors to provide direct current power thereto.

18. The multi-standard compatible electric vehicle supply equipment of claim 14 wherein said circuit comprises a CHAdeMO defined sequence circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle, a controller area network bus module structured to communicate with said electric vehicle through said selected one of said different electric vehicle connectors, and a Chinese GB mapping circuit electrically connected to said controller area network bus module for protocol mapping;

and wherein said circuit is further structured to electrically connect the output of said power converter to said selected one of said different electric vehicle connectors to provide direct current power thereto.

19. The multi-standard compatible electric vehicle supply equipment of claim 14 wherein said circuit comprises a pilot circuit structured to detect connectivity of said one of said different electric vehicle connectors with said electric vehicle, and a switch structured to electrically connect the source of alternating current power to said selected one of said different electric vehicle connectors.

20. The multi-standard compatible electric vehicle supply equipment of claim 14 wherein said power converter comprises an alternating current to direct current power converter having a direct current output;

wherein said circuit is structured to selectively electrically connect said direct current output to said selected one of said different electric vehicle connectors; and

wherein said circuit comprises a protocol interpretation and mapping component and a universal interface between said protocol interpretation and mapping component and said alternating current to direct current power converter, said universal interface communicating with a unified internal protocol to said alternating current to direct current power converter.